JAGUAR XFR-S

The second model in Jaguar's ultra-high performance R-S range, the Jaguar XFR-S joins its XKR-S sibling in the exclusive 300km/h club and is a vivid expression of Jaguar's longstanding and legendary sports saloon lineage.

The Jaguar XFR-S incorporates engineering features from both the XKR-S and the all-new F-Type two-seater sports car to create the most driver-focused, agile and responsive iteration of Jaguar's award-winning XF saloon range. The Jaguar XFR-S has been developed by Jaguar Land Rover's specialist ETO division - its bespoke powertrain, chassis and body enhancements enabling it to push the performance boundaries.

Electrifying performance is provided by the 5.0-litre supercharged V8 petrol engine which now boasts 550PS and 680Nm - up 40PS and 55Nm respectively over its XFR installation. The increases have been achieved through revisions to the engine management system and optimisation of the flow of air both into and out of the engine.

Fitted with an eight-speed transmission incorporating Jaguar's 'Quickshift' technology (developed for the F-Type), the increase in engine output allows the Jaguar XFR-S to accelerate to 60mph in 4.4 seconds (0-100km/h in 4.6 seconds) and on to an electronically limited top speed of 186mph (300km/h).

Airflow has been carefully managed in order to both allow the engine to operate at peak efficiency and let the car cleave the air cleanly and safely. The resulting body changes have created a distinctively assertive appearance, beginning with the deeper front bumper with its larger lower air intakes, vertical vanes and carbon fibre front splitter.

Deeper sills and unique 'aero-blades' ensure a clean passage of air along the side of the car and on to the deeper rear bumper sides while a carbon fibre rear diffuser between the signature quad tailpipes extends underneath the rear of the Jaguar XFR-S to reduce lift. It is aided in this by a bootlid mounted spoiler, two designs being available. Overall lift is reduced by 68%.

The unique 20-inch lightweight forged alloy 'Varuna' wheels are wider front and rear and are shod with specially developed Pirelli rubber, giving the Jaguar XFR-S a more muscular stance and increasing its grip and stability. Allied to this are extensive suspension revisions which serve to increase lateral suspension stiffness by 30% for greater steering precision and responsiveness.

Revisions to both spring rates and the adaptive damper tune increase the feeling of connectivity with the road surface, providing confidence-inspiring handling and a supple, controlled ride. Recalibrated active electronic differential and Dynamic Stability Control settings allow the enthusiastic driver to make the most of the huge potential of the Jaguar XFR-S.

The car's intent is underlined by the technical palette of materials used on the interior. This includes carbon leather on the seat bolsters and arm rests and a Dark Aluminium fascia, both of which are exclusive to the R-S range. Providing a further unique touch are a choice of contrasting colour stitching and micro-piping which can be matched to the exterior paint scheme.

"In developing the XFR-S the engineering challenge was to extend the considerable dynamic abilities common to the entire XF range. The bespoke chassis, powertrain and body enhancements meet that challenge and give the XFR-S its focused performance edge." Andrew Whyman, Chief Programme Engineer, Jaguar XF

Powertrain - 5.0-litre supercharged V8

The XFR-S features Jaguar's acclaimed 5.0-litre supercharged V8 petrol engine in its most potent form matched to an eight-speed transmission with Quickshift functionality. This all-new combination provides a visceral blend of vivid acceleration, driver involvement and control plus entry to the exclusive 300km/h (186mph) club of ultra-high performance cars.

"The XFR-S is a very harmonious product in the way it looks, the way it handles and the way the powertrain responds. The car has instant response to any driver input and as a result feels connected from the outset." Tim Clark, Technical Specialist for Performance and Driveability Attributes, Jaguar

The all-aluminium quad-cam engine delivers not only extreme performance but also tremendous efficiency thanks to the technologies incorporated into it, including spray-guided direct injection (SGDI) and dual independent variable cam timing (DIVCT).

The high-pressure die-cast lightweight aluminium block is stiffened with cast iron liners and cross-bolted main bearing caps, providing refinement to match its power. The four-valve cylinder heads are constructed from recycled aluminium, between them sitting the Roots-type twin vortex supercharger fed by two intercoolers. These feature their own water-cooling circuit to reduce the temperature of the pressurised air to optimise power and efficiency.

In order to help liberate the additional 40PS and 55Nm of torque over the standard XFR, larger front air intakes in the lower bumper of the Jaguar XFR-S allow greater volumes of air to be fed into the engine. The intake system also features a symposer that channels more of the induction noise into the cabin, adding to the aural excitement of driving the Jaguar XFR-S.

The result is a 0-60mph time of 4.4 seconds (0-100km/h in 4.6 seconds) and an electronically-limited top speed of 186mph (300km/h).

The exhaust system has been optimised in order to channel the waste gases away from the engine with the greatest efficiency. The central silencer has been replaced with an X-piece and near straight-through rear pipes combining to provide an enhanced exhaust note with the added benefit of a motorsport-style crackle on the overrun.

A number of key driveline components have been uprated in order to both adapt the Jaguar XFR-S for the greater power and torque outputs and stiffen the entire drivetrain to make its responses more immediate; these include uprated driveshafts, a larger central bearing on the propshaft and a new torque convertor.

This series of changes has allowed Jaguar's engineers to tune the throttle response to suit the more focused nature of the Jaguar XFR-S. Applying learning from the new F-Type sports car, the response to throttle inputs has been made significantly quicker. The end result is an intimate connection between the driver's right foot and the engine. Engaging Dynamic Mode increases this still further with a greater engine response for a given movement of the accelerator pedal.

JAGUAR XFR-S

The second model in Jaguar's ultra-high performance R-S range, the Jaguar XFR-S joins its XKR-S sibling in the exclusive 300km/h club and is a vivid expression of Jaguar's longstanding and legendary sports saloon lineage.

The Jaguar XFR-S incorporates engineering features from both the XKR-S and the all-new F-Type two-seater sports car to create the most driver-focused, agile and responsive iteration of Jaguar's award-winning XF saloon range. The Jaguar XFR-S has been developed by Jaguar Land Rover's specialist ETO division - its bespoke powertrain, chassis and body enhancements enabling it to push the performance boundaries.

Electrifying performance is provided by the 5.0-litre supercharged V8 petrol engine which now boasts 550PS and 680Nm - up 40PS and 55Nm respectively over its XFR installation. The increases have been achieved through revisions to the engine management system and optimisation of the flow of air both into and out of the engine.

Fitted with an eight-speed transmission incorporating Jaguar's 'Quickshift' technology (developed for the F-Type), the increase in engine output allows the Jaguar XFR-S to accelerate to 60mph in 4.4 seconds (0-100km/h in 4.6 seconds) and on to an electronically limited top speed of 186mph (300km/h).

Airflow has been carefully managed in order to both allow the engine to operate at peak efficiency and let the car cleave the air cleanly and safely. The resulting body changes have created a distinctively assertive appearance, beginning with the deeper front bumper with its larger lower air intakes, vertical vanes and carbon fibre front splitter.

Deeper sills and unique 'aero-blades' ensure a clean passage of air along the side of the car and on to the deeper rear bumper sides while a carbon fibre rear diffuser between the signature quad tailpipes extends underneath the rear of the Jaguar XFR-S to reduce lift. It is aided in this by a bootlid mounted spoiler, two designs being available. Overall lift is reduced by 68%.

The unique 20-inch lightweight forged alloy 'Varuna' wheels are wider front and rear and are shod with specially developed Pirelli rubber, giving the Jaguar XFR-S a more muscular stance and increasing its grip and stability. Allied to this are extensive suspension revisions which serve to increase lateral suspension stiffness by 30% for greater steering precision and responsiveness.

Revisions to both spring rates and the adaptive damper tune increase the feeling of connectivity with the road surface, providing confidence-inspiring handling and a supple, controlled ride. Recalibrated active electronic differential and Dynamic Stability Control settings allow the enthusiastic driver to make the most of the huge potential of the Jaguar XFR-S.

The car's intent is underlined by the technical palette of materials used on the interior. This includes carbon leather on the seat bolsters and arm rests and a Dark Aluminium fascia, both of which are exclusive to the R-S range. Providing a further unique touch are a choice of contrasting colour stitching and micro-piping which can be matched to the exterior paint scheme.

"In developing the XFR-S the engineering challenge was to extend the considerable dynamic abilities common to the entire XF range. The bespoke chassis, powertrain and body enhancements meet that challenge and give the XFR-S its focused performance edge." Andrew Whyman, Chief Programme Engineer, Jaguar XF

Powertrain - 5.0-litre supercharged V8

The XFR-S features Jaguar's acclaimed 5.0-litre supercharged V8 petrol engine in its most potent form matched to an eight-speed transmission with Quickshift functionality. This all-new combination provides a visceral blend of vivid acceleration, driver involvement and control plus entry to the exclusive 300km/h (186mph) club of ultra-high performance cars.

"The XFR-S is a very harmonious product in the way it looks, the way it handles and the way the powertrain responds. The car has instant response to any driver input and as a result feels connected from the outset." Tim Clark, Technical Specialist for Performance and Driveability Attributes, Jaguar

The all-aluminium quad-cam engine delivers not only extreme performance but also tremendous efficiency thanks to the technologies incorporated into it, including spray-guided direct injection (SGDI) and dual independent variable cam timing (DIVCT).

The high-pressure die-cast lightweight aluminium block is stiffened with cast iron liners and cross-bolted main bearing caps, providing refinement to match its power. The four-valve cylinder heads are constructed from recycled aluminium, between them sitting the Roots-type twin vortex supercharger fed by two intercoolers. These feature their own water-cooling circuit to reduce the temperature of the pressurised air to optimise power and efficiency.

In order to help liberate the additional 40PS and 55Nm of torque over the standard XFR, larger front air intakes in the lower bumper of the Jaguar XFR-S allow greater volumes of air to be fed into the engine. The intake system also features a symposer that channels more of the induction noise into the cabin, adding to the aural excitement of driving the Jaguar XFR-S.

The result is a 0-60mph time of 4.4 seconds (0-100km/h in 4.6 seconds) and an electronically-limited top speed of 186mph (300km/h).

The exhaust system has been optimised in order to channel the waste gases away from the engine with the greatest efficiency. The central silencer has been replaced with an X-piece and near straight-through rear pipes combining to provide an enhanced exhaust note with the added benefit of a motorsport-style crackle on the overrun.

A number of key driveline components have been uprated in order to both adapt the Jaguar XFR-S for the greater power and torque outputs and stiffen the entire drivetrain to make its responses more immediate; these include uprated driveshafts, a larger central bearing on the propshaft and a new torque convertor.

This series of changes has allowed Jaguar's engineers to tune the throttle response to suit the more focused nature of the Jaguar XFR-S. Applying learning from the new F-Type sports car, the response to throttle inputs has been made significantly quicker. The end result is an intimate connection between the driver's right foot and the engine. Engaging Dynamic Mode increases this still further with a greater engine response for a given movement of the accelerator pedal.