LEXUS RC F

CONTENTS1. INTRODUCTION

RC F – the all-new high performance coupe by Lexus

Yukihiko Yaguchi, Lexus F Chief Engineer

2. EXTERIOR DESIGN AND PACKAGINGDimensions and styling

Platform

Aerodynamic grip

Carbon fibre reinforced plastics package

Wheels and tyres

Lights

3. INTERIOR DESIGN AND PACKAGINGCockpit-like interior

High-support seats

Ambient illumination

Instrumentation

Steering wheel

4. ON-BOARD TECHNOLOGYTouchpad-operated Remote Touch Interface

Active Sound Control

Premium audio systems

Climate control

5. DRIVING DYNAMICSFootprint

Torsen limited-slip differential

Torque-vectoring differential

Evolved VDIM Sport mode

New suspension hardware

New brake package

6. LEXUS’S MOST POWERFUL V8 ENGINEOutline

High performance and fuel efficiency

Eight-speed SPDS transmission

7. SAFETYBody structure

Passive safety

Pre-collision systems

Active safety

Electronic active safety features

8. UK MODEL RANGE

9. TECHNICAL SPECIFICATIONS

10. EQUIPMENT SPECIFICATIONS

1. INTRODUCTIONThe new Lexus RC F coupe has been designed to deliver optimum high speed stability to

support the performance of the most powerful V8 engine Lexus has ever developed.

The 5.0-litre unit develops 471bhp (351kW) at 7,100rpm and 530Nm of torque from 4,800 to

5,600rpm, driving through a close-ratio eight-speed Sports Direct Shift transmission. A

torque-vectoring differential is available to enhance power delivery, a world-first feature on a

front engine/rear-wheel drive vehicle.

The RC F follows the IS F as Lexus’s second-generation V8 F model, developed with the

intention of evoking the best tuning and technology from the flagship V10 LFA supercar.

F – Representing Fuji Speedway, where Lexus undertakes much of its high-speed

development work – has come to represent the pinnacle of the brand’s sports engineering. It

adds extra depth to the entire model range through key elements that define driving

pleasure: responsiveness, great acceleration and a stirring engine sound. The RC F is

intended to deliver great driving rewards both on the open road and the track.

The RC F displays powerful design features, both cosmetic and dynamic, that distinguish it

from the RC coupe on which it’s based. In line with its greater horsepower, it features a more

comprehensive aerodynamic package, including an active rear wing, purpose-designed

braking and suspension systems, wider wheels and tyres and styling that is both functional

and exciting.

An electronically enhanced driveline based on Lexus’s Vehicle Dynamics Integrated

Management (VDIM) allows amateur drivers to get closer to the limits previously only

attainable by trained professionals. At the same time, the co-ordinated systems provide even

greater levels of safety on the road.

“There is no greater emotional attachment than that afforded by a coupe in which the purity

of design connects on visual and visceral levels,” said Mark Templin, Lexus International

Executive Vice President. “RC F will be a contemporary hero vehicle in the Lexus range,

standing alongside the LFA as the embodiment of the enjoyment of sports motoring.”

YUKIHIKO YAGUCHI, DEDICATED LEXUS F CHIEF ENGINEERLexus RC F Chief Engineer Yukihiko Yaguchi is a Lexus veteran of 29 years, having worked

with the brand since its inception. One of the leaders of the development team for the Lexus

F concept, he previously directed development of the IS F sports saloon and its circuit-

exclusive racing version, the IS F CCS-R.

Yaguchi-san has dual responsibilities, for the Lexus F customer motorsports programme,

and for Lexus’s sports vehicle management division (of which he is also chief engineer).

He joined Lexus in 1985, four years before the launch of the first Lexus LS 400 and has

worked principally for the brand ever since, in such diverse roles as performance co-

ordination, brand strategy and management planning.

A member of the original Lexus Planning Division, he was directly responsible for the

development of the F brand strategy and concept planning of the IS F. The IS F earned

global acclaim and underwent annual improvements to secure higher levels of performance.

“Customers spreading the word about the F drew in people from rival brands and helped

close the sporty image gap between Lexus and those brands. It ushered in a new era for

Lexus,” said Yaguchi-san.

The F reputation was further enhanced by the limited edition LFA supercar. With that model

no longer in production, the RC F will assume its place as the new Lexus flagship, thanks to

its emotive coupe design and authentic high performance.

“The RC F inherits without compromise our policy that F models must be fully capable of

running on a circuit, delivering unrestricted and safe, ultimate driving pleasure,” said

Yaguchi-san. “However, the RC F is also designed so that drivers of all skill levels can enjoy

its fun-to-drive quality. F models must be able to provide strong performance and pure

driving pleasure on the public road as well as the race track.

“Only the most basic parameters were carried forward from the IS F. The V8 remains at 5.0-

litres, but essentially it is new. So is the drivetrain, the suspension and even the platform on

which the RC F is built.”

2. EXTERIOR DESIGN AND PACKAGINGThe RC F is 4,705mm long, 1,390mm high and 1,845mm wide. Compared to the RC, it is

5mm wider, thanks to its distinctive flared, laser-brazed wheelarches, 10mm longer, due to

the packaging of its rear aerodynamics features, and 5mm lower. Both models share the

same 2,730mm wheelbase.

Every external styling feature has a positive aerodynamic benefit. The Lexus signature

spindle grille features a graduated mesh pattern and flows to a unique aerodynamic

treatment across the bonnet. Cooling ducts within the grille are sandwiched by oil coolers.

Just rear of the front wings, large L-shaped outlets create a major design feature while at the

same time performing essential cooling and aerodynamic functions.

The bonnet is raised to accommodate the V8 engine and accentuate its presence. A meshed

centre scoop provides additional aerodynamics and cooling. The design produces a

continuous flowing line from the bonnet and front wings through to the belt line, emphasising

the design’s crouching look and contributing to a smooth airflow. Aerodynamic spats and

aids along the entire length of the car also lend emphasis to the low and wide stance.

The corners of the rear bumper have been optimised for airflow too, contributing to the effect

of the four-link active rear wing (a feature unique to the model) – a technology inherited from

the LFA. Fins located on the bottom edge of the rear bumper direct the flow of air from

beneath the car.

The RC F has stacked dual exhausts, tuned for maximum sound effect.

The RC F Carbon model benefits from Carbon Fibre Reinforced Plastic bodywork elements,

including the roof, bonnet and rear wing, carrying forward materials technology developed

for the LFA and IS F CCS-R that delivers both visual impact and vehicle weight savings.

PLATFORMHigh-level body rigidity was a priority for RC F in order to secure a stable platform for the

suspension and secure the best possible vehicle agility. The new coupe makes maximum

use of the technical know-how and features Lexus has accrued in rigid body design and

manufacturing.

RC F benefits from bespoke suspension, brakes, steering, wheels and an optional torque-

vectoring differential, a world-first application in a front engine/rear-wheel drive vehicle.

The cross-section of the rocker panel is almost double that of both the RC and the IS F.

Building on these over-size elements, the design also features a highly rigid front lower

brace connecting the right and left sides of the underbody, with effect of improving steering

response and roll feel.

Several additional floor, engine compartment and rear partition braces are used and the

number of brace coupling points has been increased. The rear suspension member mounts

have been strengthened to help secure maximum traction.

As well as the strong framework that has been developed exclusively for the RC F, the

coupe makes maximum use of existing Lexus body rigidity measures, including body

adhesives, full-scale adoption of laser screw welding and structural adhesive, and additional

spot welding.

A high-rigidity structural adhesive is used to secure the front and rear screens so that they

become part of the car’s torsional structure.

Vehicle weight has been kept down by using high-tensile sheet steel and aluminium in key

areas of the body. Aluminium is used for the bonnet and bumper reinforcement, with CFRP

featured for the bonnet, roof and rear spoiler on the RC F Carbon model. The CFRP

elements deliver a weight saving of about 10kg.

AERODYNAMIC GRIPThe Lexus RC F has a four-link active rear wing, a flow-down feature from the LFA. It forms

part of a comprehensive strategy to achieve the best aerodynamic grip and, hence, superior

vehicle control at high speeds.

The wing deploys from the bootlid at about 50mph, increasing downforce as vehicle speed

rises. When the speed drops below about 25mph, the wing retracts, restoring the coupe’s

sleek styling.

When the Drive Mode Select system is in Eco mode, the wing will not activate until vehicle

speed reaches about 80mph, to save fuel. The driver can also control wing deployment from

the cockpit, according to personal preference.

The rearward shape of the boot has been sharpened, to smooth airflow from the roof when

the wing is not in use.

Controllability, both at highway speeds and in track use, was a priority. The aerodynamic

design leverages the concept of aerodynamic handling stability, using the flow of air over

and under the body together with a number of details, including the use of a shark’s fin

antenna.

The shape of the body itself, the introduction of ducts and the use of aero-stabilising fins on

the front bumper, help achieve excellent stability. Special attention was paid to controlling

airflow to the front brakes and the design of the outlet ducts aft of the front bumper and front

wings. The air outlets on the bonnet and wings vent air from the engine compartment and

help smooth the airflow to the rear of the vehicle.

Front and rear wheel spats enhance the aerodynamics by reducing the flow of air hitting the

tyres. Front wing liners are used to help direct airflow along the tyres, in the same direction

as the wheel rotation. The rear wing liner features a bead to direct the airflow generated.

WHEELS AND TYRESThe RC F runs on 19-inch forged aluminium wheels to achieve optimum rigidity and

minimum weight.

Two designs are featured: the RC F uses rims with five pairs of double thin spokes, each

with a machined finish; the RC F Carbon has wheels with twin sets of 10 spokes, the inner

series set 30 degrees ahead of the outer;

Wide tyres provide excellent grip, handling stability and driving confidence, on city streets,

open roads and under high loads and G-forces encountered on race circuits.

Different size tyres are used at the front and rear, respectively 255/35R19 and 275/35R19. A

weight-saving tyre repair kit is provided as standard.

LIGHTSThe RC F’s LED headlamps provide outstanding night-time vision, the signature three-lamp

design emulating the Lexus L-motif.

Because the LED lamps generate heat, a thermostatically controlled cooling fan is located

behind each headlamp assembly, a technical solution taken directly from World Endurance

Championship sportscar design.

The lenses and multi-LED lamps are used for both high and low beam. Thin LED daytime

running lights are arranged in the L-motif and integrated into the inner part of the front grille

and the turn indicators.

The rear combination lamps use multiple LEDs that form the L-motif while using a minimum

amount of energy. The multi-layering of 24 LEDs on each side achieves the same

performance as 50 LEDs set in a line.

3. INTERIOR DESIGN AND PACKAGINGThe RC F’s striking, cockpit-like interior is fully in keeping with the exterior styling, designed

with an emphasis on ergonomics and driver support. Elements unique to the model include

the meters, steering wheel, seats, ornamentation and pedals.

The primary instrument gauge has been developed from that featured in the LFA, but with

extra enhancements. All essential information can be viewed at a glance, a prime

requirement in track driving.

HIGHLY SUPPORTIVE SEATSThe new, high-back, bolstered seats have been purpose-designed for track driving, providing

excellent support for the back in mid-G cornering and additional shoulder support when

encountering high G-forces.

Polyurethane has been used to provide pelvic support and a special cushion stabiliser spring

gives support to the hips. The cushion’s side cross-section angle holds the driver’s leg in

place, when pushing down on the foot brace.

The seats are filled with an upholstery-integrated foam, which allows them to mould to the

shape of the driver’s torso. This breakthrough technique means the material does not have

to be stretched as tightly. Filling the seat with foam in a single process also eliminates

shrinkage and prevents slippage.

The seats effectively disperse body pressure, meaning they are comfortable as well as

highly supportive. Foam is applied in three sections – shoulder, lumbar and hip – each

intended to mould to the body form. The stitching process allows the seat to change shape

to integrate with the lines of the driver’s body.

The thin seatback, incorporating an air conditioning unit, allows for better comfort in the rear

seats and is in line with the principles of race seat design.

Generous seat adjustment is vital. The cushion can be raised through 16mm and slide-

adjusted through260mm. The seatback can be reclined up to 42 degrees.

The rear seats have fixed high headrests and feature the same stitching pattern as the front

seats to conform to the body shape of the occupants.

Easy access to the rear is provided thanks to a dual manual-electric folding mechanism; a

memory function returns the front seat to its pre-set position after use.

AMBIENT ILLUMINATIONLexus is introducing an entirely new interior ambient illumination package in the RC F and

RC. A Lexus-first, the up-lighting creates a strong cabin presence and ensures lighting is

reduced to an appropriate level during night driving.

INSTRUMENTATIONThe RC F’s analogue speedometer has a built-in welcome sequence: when the driver climbs

into the seat and shuts the door, the meter pulses with light like a heartbeat, giving a sense

of the vehicle waiting in anticipation of the engine being started.

The location of the information display and the size of the graphic fonts and indicators have

been determined precisely so that required data can be communicated to the driver quickly

and clearly.

The meter display changes so the driver can instantly be informed about any driving

situation. The large centre meter’s content changes according to the Drive Mode Select

operation mode – Eco, Normal, Sport S and Sport S+.

The instrumentation includes a finely crafted analogue clock, finished with an exclusive dark

metallic face to express the car’s essential sporting character. The three-dimensional scale

marks mean the time can be clearly read from any angle.

STEERING WHEELThe RC F provides a low driver’s seat hip point and a raised steering wheel angle to create a

linear driving position. The small, 370mm diameter three-spoke steering wheel was

developed after exhaustive testing at race tracks around the world. The design is exclusive

to the RC F.

Its suitability for track driving is evidenced in the provision of finger rests, a thick cross-

section profile and easy access to the large paddle shift.

4. ON-BOARD TECHNOLOGYLexus has developed a new version of its Remote Touch Interface, as part of its design of

the cockpit centre console’s operation zone. It has been made easier to use with a new

touchpad control that smartphone users in particular will find simple to operate, including

flick and pinch commands.

The driver can use the Remote Touch Interface to select the audio, navigation or vehicle

system information displayed on the centre screen, without having to take their eyes off the

road.

The intuitive system is easy to use. Moving a finger over the touchpad surface moves the

cursor; pressing down or double-tapping on it enters a selection. A feedback function

vibrates the surface of the pad when the cursor moves over an icon on the navigation

screen, which means the driver is aware of the cursor’s movement without having to look at

the display.

The advanced system supports convenient, customised pinch-in and out and flick

commands when using the navigation map function.

As well as having an amply sized operating area, the touchpad has a pleasant surface

texture that’s designed to allow smooth movement; it never feels sticky or rough. A stabiliser

structure ensures decisive operation when the pad is pressed.

Special illumination creates the effect of the white areas of the touchpad being three-

dimensional at night, adding a sense of quality. Overall the touchpad’s clean and cool lines

and flat shape harmonise with the overall vehicle design.

ACTIVE SOUND CONTROLCreating excitement through sound is one of the cornerstones of Lexus’s F philosophy. To

that end, the RC F has an Active Sound Control which delivers enhanced exhaust, intake

and mechanical sounds into the cabin. The concept is to produce fluid tones, with dramatic

changes in timbre in line with engine speed.

The designers’ intention was to approach the kind of aural experience delivered by the LFA,

which is renowned for the stirring quality if its intake and exhaust notes.

The system tunes the sound of the V8 engine: up to 3,000rpm, it produces a steady, low and

deep tone; as revs increase, this transforms into a higher-pitched note that blends with the

engine’s mechanical sounds to create a rising sensation that culminates in a free-soaring

sound beyond 6,000rpm.

An ECU beneath the instrument panel takes inputs from engine sounds, engine revs, vehicle

speed and throttle position, and creates auxiliary sound through an actuator. The system is

entirely distinct from the RC F’s audio unit.

The contribution to the sound in the cabin is approximately equal to the natural level

produced by the exhaust, intake and engine. The system is activated when the RC F is in

Sport S+ mode.

PREMIUM AUDIO SYSTEMSThe RC F makes a breakthrough in in-car entertainment, with new audio technology that

restores tones usually lost through compression into digital files.

The RC F is equipped with a 10-speaker Pioneer system developed by Lexus, with protocols

designed to reduce the limitations of MP3 reproduction.

The RC F Carbon comes with a compact, 17-speaker 835W Mark Levinson system,

featuring new ClariFi technology, which automatically analyses and improves the audio

quality of all types of compressed, digitalised music sources. This system can be specified

as an option on the standard RC F.

CLIMATE CONTROLThe RC F has state-of-the-art climate control and air-conditioned front seats with a carbon

heater system. Making fine temperature adjustment is easy thanks to new electrostatic

switches and a high-contrast liquid crystal display on the control panel.

The air conditioning system includes two-layer control of internal and ambient air and

upper/lower independent air mixing, as well as independent left and right temperature

control.

Dividing the intake air ducts between internal and ambient air prevents a drop in temperature

happening because of ambient air being introduced when the heater is running, thus

increasing heating efficiency and saving energy.

Independent upper/lower multi-layer air mixing improves comfort by providing control that

matches body sensation. The upper air mixture can be set for coolness to deal with the

effects of solar insolation at the same time as the low air mixture is set for warmth.

The system includes a pollen removal function, using a non-woven fabric to improve

performance. There is also a clean air filter with deodoriser.

5. DRIVING DYNAMICS

FOOTPRINTThe RC F is designed for optimum grip and handling agility, taking full advantage of its front

engine/rear-wheel drive configuration. All aspects were considered: the vehicle’s footprint on

the road, its body rigidity, aerodynamics, suspension hardware, brakes, steering calibration

and chassis electronics.

Key elements include an active rear wing and new Expert mode in the Vehicle Dynamics

Integrated Management, operating when the system is switched off. There is also a vertical

G-sensor in the ABS and a torque-vectoring differential – fitted as standard to the RC F

Carbon (otherwise offered as an option).

The coupe has been track-tested as a platform-prototype at circuits around the world,

including the Fuji Speedway and Nürburgring Nordschleife, and in endurance driving in

Nürburgring VLN Endurance Cup events. Feedback for chassis development was also

gathered from drivers of the IS F and CCS-R track cars in Japan.

The new coupe offers reduced roll, higher cornering speeds and more effective cornering

performance, requiring less steering input.

The RC F is fitted with 19-inch forged aluminium wheels, with 255/35R19 front and

275/35R19 rear tyres, giving more grip than the 225/40 front and 255/35 tyres used on the

IS F. High camber angles and toe-angle rigidity further improve cornering power and reduce

the required steering angle.

The car has a large footprint on the road for its compact body size – 2,730mm wheelbase,

1,555 front track and 1,560 rear track.

TORSEN LIMITED-SLIP DIFFERENTIALA Torsen limited-slip differential is fitted as standard. Performance-proven in the IS F, it

offers high levels of traction, handling performance and driving stability. It has three principal

benefits for different driving situations, to suit driving style and road conditions.

In straight-line driving it controls the left-right speed differential to maintain straight-line

stability. On entering corners, the coasting torque created by engine braking is distributed

more to the outside driven wheel than the inner. And in mid-corner and corner-exit, it

distributes drive power according to the load on each rear wheel to ensure high traction and

manoeuvrability.

TORQUE-VECTORING DIFFERENTIALThe RC F is available with a torque-vectoring differential (a standard feature on the RC F

Carbon), a world-first application of torque-transfer type system in a front engine/rear-wheel

drive vehicle. The electronically controlled Lexus differential provides optimum distribution of

torque to each rear wheel, regardless of whether the accelerator is pressed or not. The

Lexus TVD is unique in its use of precisely controlled multi-plate clutches to vector torque,

rather than the vehicle’s brakes.

The aim was to make best use of the vehicle’s yaw moment when turning, giving the feeling

that the direction of travel and the direction of the vehicle are perfectly aligned.

Electronic control and precision actuator motors, adjusted in units of one-thousandth of a

second, ensure the appropriate amount of torque is distributed to each wheel.

The TVD allows torque transfer to be generated regardless of how great or small the engine

torque is, creating a yaw moment around the car’s centre of gravity.

It forms one element in the state-of-the-art package of chassis technologies, systems and

mechanisms in the RCF that are all designed to heighten driving enjoyment, particularly

when cornering. The result is a natural feeling, with the driver unaware of the system

operating, along with increased driving pleasure when using the throttle under cornering.

The TVD distributes torque to match the conditions of the moment, which makes for a

particularly enjoyable driving experience when negotiating S-bends. It improves vehicle

posture in low to mid-speed corners, providing more agile movement and a smaller steering

angle.

In a series of S-bends, it provides exhilarating corner exiting, with no understeer, so the

driver can set the car for the next corner at will. Crisp turn-in after hard braking is equal to

what can be achieved in highly skilled driving without the benefit of TVD. Even during

deceleration the TVD constantly controls the drive force, securing agile and smooth turn-in.

The RC F’s TVD has three operating modes, independent of the Drive Mode Select:

Standard (default) for an ideal balance of agility and stability; Slalom, for an emphasis on

nimble steering response and the agility of a smaller vehicle; and Track (Circuit) for an

emphasis on stability during high-speed circuit driving.

The cockpit meter display adds a visual dimension to the driving enjoyment derived from the

TVD. The torque distribution is displayed as a bar graph within the tachometer, or, if selected

from the display menu, as two orange columns on the multi-information screen.

Vehicles fitted with the TVD have an exclusive final drive unit and TVD ECU, which

calculates the amount of toque to be transferred and provides co-operative control with other

systems, including the VDIM.

How it worksThe Lexus torque-vectoring differential’s drive-force control mechanism consists of two

compact, highly responsive motor control units and two multi-plate clutches. The system also

includes a set of speed-multiplication planetary gears for each drive shaft.

The brushless electric motors have a new built-in high-precision resolver (rotation angle

sensor). Using technology developed for hybrid vehicle motor control, they allow the motor

angle to be monitored and adjusted in units of one-thousandth of a second, for precise

torque distribution control during acceleration and deceleration.

Each electric motor controls the pressure on the corresponding multi-plate clutch via a ball-

cam actuator.

Special features of the TVD electronic control include feed-forward and feed-back control

technology. Feed-forward control is control derived from driver operations; feed-back control

aims for the ideal vehicle condition, even in situations such as counter-steer during a drift, for

more enjoyable manoeuvrability.

The feed-forward control group includes steering angle feed-forward control; and limited-slip

differential control during counter-steering and deceleration. The feedback control suite

comprises a yaw rate feedback control, differential rotation suppression control and VDIM

co-operation control.

VDIM WITH NEW SPORT MODEThe RC F is the first Lexus to feature a new Sport mode in its Vehicle Dynamics Integrated

Management. It also features a new Expert mode in VDIM-off, in which the system only

operates to prevent the vehicle going into a spin.

VDIM integrates the usually discrete ABS, VSC and TRC functions to provide proactive,

seamless control of basic “drive-turn-stop” vehicle performance. It anticipates any loss of

traction and provides smooth control for the normal driving range, right up to the limits of

performance.

In the RC F, VDIM has four modes: -

Normal, for smooth driving and a high degree of active safety under normal driving

conditions.

Sport, to give priority to driver control. This mode offers greater safety and

enjoyment when on a race track, applying optimum VSC/TRC mapping for circuit

driving.

Off

Off with Expert mode, which is designed to allow the driver to make full use of their

driving skills in a similar fashion to VDIM Off mode, but with an extra layer of

protection to prevent a spin.

Before being installed in the new RC F, the technology was refined through repeated testing

on race cars. The feedback gained has been incorporated in the production vehicle to

support the ideals of ‘F’ driving performance. The control logic has been significantly

improved and new functions have been added to improve both driver enjoyment on the race

circuit and reassurance when driving in marginal-traction conditions.

The expanded Sport mode has F-exclusive tuning to suit the driver’s mood, including

improvements to the control logic.

Special features in the RC F’s vehicle control systems include a new vertical G-sensor in the

ABS control to ensure optimum brakeforce, even after the vehicle has been airborne.

In addition, Lexus has extended the VDIM co-operative control function, allowing the system

to delegate two brake control functions to the torque-vectoring differential: drive-force

distribution and yaw-movement control. VDIM controls the torque transfer co-operatively with

the TVD for more seamless control of driving and turning.

NEW SUSPENSION HARDWARESeventy per cent of the RC F’s suspension hardware is different from that used in the RC.

It features all-coil suspension, with double wishbones at the front and a multi-link system at

the rear. There are new springs, dampers and an anti-roll bar with revised characteristics, as

well as suspension bushing and bound stoppers. The steering knuckle and lower arm have

been redesigned to alter the king pin offset.

At the rear the geometry has been optimised exclusively for the RC F. It also has new coil

springs, bound stoppers, dampers and anti-roll bar characteristics.

All five suspension arms and the toe-control bracket have been designed to provide new

geometry and reduce the car’s unsprung weight. The rigidity of the upper number-one arm

has been optimised and the bushing characteristics of the other four arms have been

revised.

The upper number-two arm and the end section of the toe control arm are now made from

forged aluminium, to reduce unsprung weight.

The electronic power-assisted rack and pinion steering has been designed to achieve

excellent dynamic performance and steering feel. Intensive testing and calibration of the

power-assist curve ensures the steering feel matches the vehicle characteristics.

A damper-less intermediate shaft has been added to the steering column to increase

steering rigidity upstream and ensure high responsiveness to steering input. The new shaft

has a stroke mechanism section that can expand or contract in the axial direction, to absorb

shaft-length changes when driving and help provide a smooth steering feel.

NEW BRAKE PACKAGEThe RC F has an all-new brake package, with 380mm diameter spiral-fin front discs,

improved cooling and a vertical G-sensor in the ABS.

Adoption of the G-sensor is a direct result of testing at the Nürburgring. It means the system

can allow for changes in vertical loads, and hence optimise braking force control the instant

load returns to the tyres after jumping a crest.

The brakes deliver excellent braking feel and impressive stopping power, creating a dialogue

between the driver and the brake pads. The new, larger discs add depth to the brake

responsiveness found in an ‘F’ model, with linear controllability in all G-force ranges and

optimum controllability during continuous circuit driving, while providing direct feel during

day-to-day road driving.

Testing on the Nürburgring has ensured the RC F’s brakes offer the ultimate in sports

performance and the communication of direct feel to the driver. Special attention was paid to

cooling, with improved front brake cooling duct efficiency and overall brake durability.

Compared to the IS F, front disc diameter has been increased by 20mm and thickness by

4mm. The new 380 x 34mm ventilated front discs are slotted rather than drilled, with six-

piston opposed callipers. The rear discs are 345 x 28mm, ventilated, with four-piston

opposed callipers.

Brake pad effectiveness has been improved by a revision to the pad surface, to ensure

uniform wear and preserve pad life. The new brakes also reduce booming noise generated

under high-speed braking.

The hardware includes a new booster and master cylinder design to improve response and

shorten pedal stroke, with the G-force generated aligning with pedal stroke.

The brake pedal itself is all new, with more rigid linkages and an optimised lever ratio.

Exclusive RC F hydraulic control circuitry optimises brake control and interaction with the

ABS/VDIM mode select feature.

Additional ‘polish’ has been applied to the ABS to further evolve stopping performance.

Thorough testing on a wide variety of road surfaces has helped achieve excellent braking

force and controllability that matches the driver’s sensibilities.

The improved ABS works in harmony with the torque-vectoring differential (where fitted), to

provide suitable control of drive force and braking force at each of the four wheels, thereby

delivering a natural and satisfying sports driving experience.

6. LEXUS’S MOST POWERFUL V8 ENGINEOUTLINEThe new RC F coupe features Lexus’s most powerful V8 engine to date, producing 12 per

cent more power than the IS F unit on which it is based.

All-new cylinder heads and lighter moving parts have delivered an increase of 54bhp (40kW)

in the 5.0-litre 32-valve engine’s maximum power, taking it to 471bhp (351kW), with

maximum rpm increased from 6,800 to 7,300. The compression ratio has been raised to

12.3:1 to boost torque across the entire engine rev spectrum. The engine and transmission

cooling systems have been improved, to make the engine even better suited to track day

driving.

The new engine is matched to an evolution of Lexus’s eight-speed Sports Direct Shift

transmission, with a more linear response to accelerator pedal inputs.

Uniquely for a Lexus performance engine, it runs on the Atkinson cycle at cruising speeds to

deliver better fuel economy.

HIGH PERFORMANCE AND FUEL EFFICIENCYThe use of the Atkinson cycle is one of a number of strategies to optimise fuel economy and

to meet international emissions standards, including Euro6, LEV3 and ULEV70.

In the Atkinson cycle, the inlet valves are held open for longer, allowing a reverse flow of

intake air into the intake manifold, thereby reducing pumping loss and increasing thermal

efficiency.

The Lexus VVT-iE (variable valve-timing – intelligent electric motor) technology has been

redesigned to extend the range of inlet camshaft timing adjustment for the Atkinson cycle.

The Otto cycle is used to achieve the RC F’s impressive performance levels.

The stoichiometric air-fuel ratio range has been expanded to 137mph. to secure a

substantial increase in practical fuel economy during performance and high-speed driving.

The new engine was designed to deliver instantaneous torque, as in the Lexus LFA, so that

the driver can actually feel torque output increasing during acceleration.

Special features include titanium valves, forged connecting rods, an optimised exhaust

layout that can harness exhaust pulses more effectively, and an air-cooled oil cooler for

improved durability. Internal engine parts have been redesigned to reduce reciprocating

mass and thus increase engine response and revs.

Most of the engine parts are new, including the intake manifold and throttle body, intake and

exhaust valvetrain, motor-driven variable valve timing, cylinder and head cover, D-4S dual

injection system, spark plugs, piston and piston rings, connecting rod, crankshaft, crank

main bearing and cap, exhaust manifold and heat insulator, oil pan and baffle plate,

alternator, clutch system and engine and transmission oil coolers.

The engine’s breathing has been improved thanks to new cylinder heads with improved

porting and a high-flow, high-tumble ratio. In addition, the capacity of the intake surge tank

has been optimised, as have the length and diameter of the intake manifold.

The throttle diameter has been increased from 76 to 83mm. New four-into-two exhaust

headers reduce interference and thus further improve engine breathing.

A new intake camshaft profile increases valve lift and suits the operation of the Atkinson

cycle, while improvements to the electronic VVT-i system have expanded its range of

operation, supporting better fuel economy and performance.

The exhaust system features large-diameter front pipes to minimise back pressure and

ensure high power output. The merged areas of the exhaust pipes have been enlarged to

produce a clearer engine sound. Additionally, the structure of the main silencer has been

optimised to achieve both quietness at low rpm and dynamic volume at mid-to-high revs.

The Lexus D-4S dual-injection system has been redesigned, with higher 18Mpa injection

pressure and improved fuel atomisation pattern, to optimise power and fuel economy while

minimising emissions.

The engine design also includes measures to raise engine revolutions, including titanium

inlet and exhaust valves, new high-strength forged connecting rods and new main-bearing

materials. Crank pin diameter, the size of the connecting rods’ big-end bearing and the crank

counterweight size have all been reduced to bring down reciprocating weight.

A revised oil pan baffle shape has reduced agitation and hence, friction, while new air-to-oil

coolers for the engine oil and transmission fluid increase on-track driveability. As a final

touch, the engine has a one-way clutch on the alternator pulley.

EIGHT-SPEED SPDS TRANSMISSIONThe RC F has an improved eight-speed Sports Direct Shift (SPDS) transmission in which the

control programme has been refined to suit the engine’s higher speeds and deliver more

linear response to throttle inputs. Overall, the transmission provides balance of linear

acceleration, optimum fuel economy, smooth shift feel and driveability under all conditions.

There are four selectable modes: Normal, Sport S, Sport S+ and M, the latter with full torque

converter lock-up from second to eighth gears for ‘clutchless’ manual shifting.

Upshifts are effected in a minimum of just one tenth of a second in M mode, with the

transmission’s throttle blipping control matching engine speed to the gear.

Sport S mode includes G-sensor AI-shift control, which uses information from the vehicle’s

G-sensors to provide the best gear ratio for sports driving. In this mode, the transmission

offers more dynamic acceleration control and a more sporting driving experience.

As well as performing quicker downshifts, by holding the engine at a higher speed Sport S+

mode helps achieve dynamic driving under high load conditions, such as on the race track.

The transmission will automatically downshift under hard braking for a corner, hold a lower

gear through the corner and then give the driver greater power on corner exit by selecting a

suitable low gear.

Normal mode uses the eight ratios for optimum fuel economy, while co-ordinating control

with the throttle to provide smooth acceleration with minimal shift feel.

7. SAFETYBODY STRUCTURETop-level body rigidity was a priority for the RC F, which makes full use of all the experience

and features Lexus has gained in years of structural design and engineering.

Frontal and side impact protection measures include the use of hot-stamped sheet steel of

up to 1,620MPa-class tensile strength in key areas, such as the side intrusion bars.

The front structure includes a new number-two member design to efficiently disperse energy

from a frontal impact. High-tensile strength steel is used strategically, including for new

forward-projecting rocker structures and outer reinforcements to the pillar rail.

Elements to address the forces of a side impact include reinforcements to the instrument

panel, front header and roof centre, together with a centre-floor cross-member gusset.

The five-part centre pillar structure features three classes of high-tensile steel (980, 590 and

440MPa) and has a crush bead for both bulkheads. The rocker panels have high-tensile

steel bulkheads (980MPa). The dual impact beams in the doors measure 31.8mm in

diameter, with a 2mm wall thickness.

Roll-over protection is provided by the reinforced centre pillars and high-tensile sheet steel

roof rails, plus a substantial three-part front header section.

As well as helping optimise body rigidity, the coupe’s new cowl brace serves as an easily

deformable bead for the apron member.

PASSIVE SAFETYThe RC F is equipped with eight airbags, including knee airbags for driver and front

passenger. The curtain airbag size has been increased for better side-collision compatibility.

The front passenger seat has an occupant detection system that links to the seatbelt

warning system and airbag deployment.

Other passive safety features include head impact-absorbing structures in the pillars and

headlining. An abdomen impact-absorbing structure has been added to the door armrest,

and the lower door trim and lower rear quarter-panel trim use a material designed to absorb

impact forces to protect the hip and lower back in a side collision.

PRE-COLLISION SYSTEMThe optional Pre-Crash Safety system detects when there is a risk of a collision with an

obstacle or vehicle ahead, using a millimetre-wave radar. If it determines a collision is

inevitable and the driver is not providing necessary braking, it triggers the pre-collision brake

to reduce the impact.

ACTIVE SAFETYThe RC F is equipped with Vehicle Integrated Dynamics Management, which co-ordinates

control of the powertrain, electronic braking, steering and vehicle stability control systems.

When operating in Normal mode, it will anticipate any loss of traction and ensure the VSC,

TRC and ABS active safety systems, traditionally separate, work together to correct the

situation, seamlessly integrating control of vehicle performance. The VDIM functions also

include Hill-start Assist Control.

When required, VDIM can command each control system’s ECU, including the VSC, electric

power steering and engine control systems, to provide the right amount of adjustment

needed to maintain vehicle stability, including steering assist torque.

The RC F’s active safety credentials include high levels of grip, large brakes, advanced ABS

with a vertical G-sensor, electronic brakeforce distribution, electric power-assisted steering,

a Torsen limited-slip differential or torque-vectoring differential, new LED headlamps,

daytime running lights and an emergency brake signal.

ELECTRONIC ACTIVE SAFETY FEATURESThe RC F is equipped with a series of electronic safety features, including a blind spot

monitor, Rear Cross Traffic Alert, Lane Departure Alert, automatic headlight high beam, Hill-

start Assist Control, rear-view camera and an Auto Location Tyre Pressure Warning System.

The blind spot monitor and Rear Cross Traffic Alert operate using millimetre-wave radar

sensors mounted on each side of the vehicle. Lane Departure Assist and the automatic high

beam function share a windscreen-mounted camera. The tyre pressure warning system

uses data from a sensor fitted in each tyre; when low pressure or a puncture is recorded, it

indicates to the driver which tyre is affected.

The RC F has a new version of the blind spot monitor with an extended detection area. The

system helps the driver when changing lanes by giving information not only about vehicles in

the door mirror blind spot, but also vehicles approaching from the rear in adjacent lanes. It

can provide information from up to 60 metres behind the vehicle, compared to three metres

in the previous version of the system. It calculates the time an approaching vehicle will take

to reach the back of the RC F, and begins providing an alert when this time falls below a

threshold value. This means that the timing or distance at which the system starts giving

information changes according to the vehicles’ relative speed.

Rear Cross Traffic Alert helps the driver when reversing out of a parking space or driveway.

It uses sensors mounted on the vehicle’s rear corners to detect vehicles approaching from

either side. It uses a buzzer and the same in-mirror warning lights as the blind spot monitor.

Lane Departure Alert supports safe driving on well-maintained roads by alerting the driver if

the car is moving out of the lane of travel.

The automatic high beam uses the same camera as the Lane Departure Alert to detect lack

of light from surrounding street lamps or other vehicles at night and switch the headlights to

high beam if necessary.

8. UK MODEL RANGEThe RC F will be launched in the UK in two versions: RC F and the RC F Carbon. Order

books are open now with customer deliveries expected from the end of January 2015.

The RC F benefits from the comprehensive array of comfort, safety and advanced

technology features that is characteristic of today’s Lexus range.

It comes equipped with LED headlights (high and low beam) with automatic high beam

function; a 10-speaker multimedia system including DAB, DVD player, a new Remote Touch

touchpad control and Lexus Premium Navigation; dual-zone climate control; and Drive Mode

Select.

The safety provisions take in eight airbags, a reversing camera, Hill Assist Control, Lane

Departure and Rear Cross Traffic Alert, a blind spot monitor and VDIM, which co-ordinates

performance of the ABS, brake assist, traction control vehicle stability control and electronic

brakeforce distribution.

The specification further runs to front and rear parking sensors, electric, auto-dimming,

folding and heated door mirrors; cruise control, an auto-dimming rear-view mirror, electric

steering column adjustment and keyless Smart Entry.

The cabin features high-grade leather upholstery and electrically adjustable front seats with

heating and ventilation functions. Throughout the interior there are Lexus ‘F’-themed details,

including the steering wheel, pedals, trim and seat design.

Key options for the RC F include Adaptive Cruise Control with a Pre-Crash Safety system

and a Mark Levinson Surround Sound system. The torque-vectoring differential featured on

the RC F Carbon can also be specified.

The RC F Carbon benefits from additional performance features in the form of the torque-

vectoring differential and a CFRP (carbon fibre-reinforced plastic) roof, bonnet and active

rear spoiler. It is further distinguished by a dedicated 19-inch forged alloy wheel design and

Alcantara upholstery. It also comes with the Mark Levinson Surround Sound system as

standard. Again, the ACC/PCS combination is available as an option.

RC F principal equipment features and prices

RC F (£59,995) RC F Carbon (£67,995) adds

LED headlights with auto high-beam Torque-vectoring differential

19-inch forged alloy wheels CFRP roof, bonnet and rear spoiler

Lexus Drive Mode Select Dedicated-design 19-inch forged alloy

wheels

Active/retractable rear wing Alcantara upholstery

High-grade leather upholstery Heated front seats

Heated/ventilated front seats with power

adjustment – 10-way driver, 8-way

passenger

Mark Levinson Surround Sound system

Power steering column adjustment Key options

Heated/auto-dimming/folding door mirrors Adaptive Cruise Control and Pre-Crash

Safety system

Card key Metallic paint

Auto-dimming rear-view mirrors

Reversing camera

Front and rear parking sensors

10-speaker multimedia system with Lexus

Premium Navigation and Remote Touch

touchpad control

Dual-zone climate control

Cruise control

Drive Mode Select

Lane Departure Alert, Rear Cross Traffic

Alert and blind spot monitor

Vehicle Dynamics Integrated Management

Electronic parking brake

Keyless Smart Entry

Key options

Metallic paint

Torque-vectoring differential

Sunroof

Adaptive Cruise Control and Pre-Crash

Safety system

Mark Levinson Surround Sound system

9. TECHNICAL SPECIFICATIONS

ENGINEEngine code 2UR-GSECylinders and arrangement V8Valve mechanism 32 valve DOHC, Dual VVT-iDisplacement (cc) 4,969Bore x stroke (mm) 94.0 x 89.5Compression ratio 12.3:1Fuel injection system EFI, D-4SEuro emissions standard Euro6Max. power (bhp/kW @ rpm) 471/351 @ 7,100Max. torque (Nm @ rpm) 530 @ 4,800 – 5,600PERFORMANCEMax. speed (mph) 168Max. cruising speed (mph) 150Acceleration 0-62mph (sec) 4.5

50-75mph (sec)

3.7

FUEL CONSUMPTION, EMISSIONS AND VEDFuel consumption

Urban (mpg) 17.6Extra-urban (mpg)

36.2

Combined (mpg)

26.2

CO2 emissions Urban (g/km) 372Extra-urban (g/km)

181

Combined (g/km)

252

VED band LFuel tank capacity (l) 66TRANSMISSIONType 8-speed Sports Direct Shift automaticDriveline Front engine/rear-wheel driveGear ratio 1st 4.596

2nd 2.7243rd 1.8634th 1.4645th 1.2316th 1.0007th 0.8248th 0.685Reverse 2.176

Differential gear ratio (front/rear) - /2.937BRAKESType Front Ventilated discs

Rear Ventilated discsDiameter/thickness (mm)

Front 380/34Rear 345/28

Parking brake ElectronicSUSPENSIONFront Double-wishboneRear Multi-linkSTEERINGType Electric power assistedTurns lock to lock 2.84Min. turning Tyre (m) 5.4