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  McLaren Senna

  Article Image gallery (39) Specifications User Comments (1)  
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Country of origin:Great Britain
Introduced in:2018
Numbers built:500 (Limited Edition)
Introduced at:2018 Geneva Motor Show
Price new:£750,000
Internal name:P15
Source:Company press release
Last updated:February 08, 2018
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Click here to download printer friendly versionThe driver's seat moves on rails and the foot pedals are fixed - the optimum solution to reduce component complexity and weight. The module to select Drive, Neutral and Reverse is fixed to the driver's seat and moves with it, ensuring the controls are always close at hand. Door release mechanisms and window switches have been moved to the centre of the vehicle in a roof-mounted panel. The three-spoke steering wheel, trimmed in Alcantara or leather, is free of buttons and switches to allow a pure focus on the sensory feedback it delivers. The grip offered with and without gloves has been optimised for track driving, as has the design of the wheel itself. Tactile, extended gear shift paddles in satin-finish visual carbon fibre, linked with a rocker switch, are fixed behind the steering wheel.

The driver receives information from the McLaren Folding Driver Display and the central infotainment screen. In Full Display Mode, the folding driver display presents information on an upright TFT screen, with three different layouts depending on whether the McLaren Senna is being driven in Comfort, Sport, Track or Race modes. Linked to the Active Dynamics Panel settings or independently controlled if preferred, the display screen slides down into Slim Display Mode to show only crucial information such as speed, engine rpm and selected gear. This position is designed for circuit driving, where it further improves forward visibility of the track, but will also appeal to those who prefer a simpler display while driving on road.

The 'floating' central infotainment screen is presented in portrait to increase interior space. It is also angled out and up towards the driver to be easily visible within line of sight even when a helmet is being worn. The edge-to-edge glass screen integrates the Active Dynamics Panel and an 8-inch display that presents vehicle functions to the driver: audio, media, navigation and other features are all controlled using this TFT screen.

A range of luxury and convenience features are available upon request, including high-grade leathers and a wider 'Touring' specification of the Super-Lightweight carbon fibre seat. Parking sensors and a rear-view camera are no-cost options. Additionally, McLaren has collaborated with Bowers & Wilkins to create an audio system specifically designed for the McLaren Senna, the optional, ultra-lightweight 7-speaker audio system weighing just 7.32kg.

The twin-turbocharged V8 engine, which is coded M840TR, features a flat-plane crankshaft, race-inspired dry sump lubrication and lightweight connecting rods and pistons that reduce mass in the powertrain. Ultra-low inertia twin-scroll turbochargers and electronically-controlled wastegates give an immediate sense of retardation, enhancing engine responsiveness. Lightweight camshafts and pistons unique to the McLaren Senna and externally repositioned dump valves are among other Senna-specific components. Additionally, ion sensing with individual sensors per cylinder enables higher pressures and temperatures than on other McLaren engines.

Extensive dyno work has perfected control strategies that deliver the power and torque the McLaren Senna demands. The engine produces 700Nm (516lb ft) from just 3,000rpm, with peak torque of 800Nm (590lb ft) available from 5,500-6,700rpm. 800PS (789bhp) peak power comes at 7,250rpm.

The unique Inconel and titanium exhaust is another key element of the high-performance powertrain. Tightly packaged and engineered to reduce weight, the exhaust uses either a twin-exit or triple-exit active system depending on market requirements. The sound from the exhaust is loud and sharp, singing like a motorcycle race engine in its ferocity and quite different to other McLarens. The intense crescendo encourages the driver to use high rpms, the volume increasing with 10dB for every 2,000rpm, climbing right through to the engine's rev limit.

A dual-clutch, seamless-shift, seven-speed gearbox delivers power to the rear wheels. The default transmission mode is fully automatic, but a McLaren Senna driver can select full manual control of gear shifts via the Active Dynamics Panel located within the centrally-mounted screen and change gear using elongated, carbon fibre paddles mounted on a rocker behind the steering wheel. The paddles are optimised to be used both with or without racing gloves.

McLaren Automotive has pioneered the use of adjustable suspension technology since the inception of the MP4 12C, with its ground-breaking ProActive Chassis Control system. The new, track-focused suspension that makes its debut in the McLaren Senna is the most advanced system ever in a McLaren road car. Called RaceActive Chassis Control II (RCC II), it features double wishbones front and rear, with adaptive dampers interconnected hydraulically, both left to right and front to back. Data from sensors - including four wheel accelerometers, two pressure sensors per damper and multiple body sensors - is analysed and reacted to in a mere 2 milliseconds to ensure perfect damping response. The continuously variable system advances the control strategy introduced on the McLaren 720S to incorporate Race mode, which introduces significantly stiffer suspension, a lower ride height and a lower centre of gravity.

"The McLaren Senna delivers real performance - accessible and attainable because of an intuitive connection, while at the same time rewarding, exciting and challenging to the very best drivers in the world," comments Andy Palmer, Vehicle Line Director - Ultimate Series, McLaren Automotive. "The sensory experience of driving the car is also vitally important: through what a driver feels, hears and sees, we want every moment behind the wheel of a McLaren Senna to deliver the emotional intensity of a convertible and the pure connection of a race car."

The top speed of the McLaren Senna is not limited in Race mode, but above 250km/h (155mph) the aero blades and rear wing are actively trimmed to preserve peak downforce levels, which would otherwise continue to increase with speed and impart excessive load on the suspension and tyres. A driver can adjust handling parameters using the Active Dynamics Panel to access Comfort, Sport and Track modes; Race mode is selected via a button in the roof-mounted panel.

Due to its extreme performance, the McLaren Senna features bespoke tyres developed in conjunction with McLaren technical partner, Pirelli. The Pirelli P ZERO Trofeo R tyres (245/35 ZR19 at the front and 315/30 ZR20 at the rear) are designed for dry race tracks but are also approved for road use. The asymmetrical tread pattern provides outstanding lateral grip and the special construction maintains cornering stiffness. Specific development work was undertaken on the compound to shorten braking distances, improve longitudinal performance, create a consistent reaction between the front and rear axles and heighten on-centre steering response.

The braking system is the most advanced ever fitted to a McLaren road car. Each CCM-R carbon ceramic brake disc takes seven months to create and has cooling vanes machined into the disc, rather than moulded. The Formula 1-inspired front calipers are a super-stiff monobloc design to maintain pedal feel and feature six ventilated pistons to reduce temperatures.

Five 'By McLaren' specifications have been created by McLaren designers as those that best showcase the McLaren Senna. Stealth Cosmos black, Trophy Kyanos blue, Trophy Mira orange, Vision Pure white and Vision Victory grey exterior paint is complemented in each specification by front aero blades, front fender inners, brake calipers, door gas struts and seat perforation in a contrasting colour. A further 18 exterior paint colours can be specified at no additional cost, with 16 more paint options available from the MSO Defined palette offered by McLaren Special Operations. Beyond this, a virtually limitless spectrum of colours can be created through the MSO Bespoke service.

In addition to selecting the exterior colour theme for their new McLaren Senna, customers can explore the different By McLaren Designer interior alternatives that complement the Jet Black leather or Carbon Black Alcantara and visual carbon fibre cockpit materials. Colour-coded aero blades and fender inners; an exhaust heatshield in Gloss Black, Satin Raw Metal or Dark Stealth finish; a carbon fibre or Alcantara steering wheel and three finishes to the Ultra-Lightweight 9-Spoke forged alloy wheels are among the specification choices available at no additional cost.

"The McLaren Senna honours my uncle because it is so utterly focused upon the driver, and their absolute connection with the vehicle. This engagement, these sensory cues that the driver responds to and relies upon, the whole immersive experience, has been at the heart of the development from the very start." Bruno Senna, racing driver, nephew of Ayrton Senna and McLaren ambassador

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  Article Image gallery (39) Specifications User Comments (1)