The McLaren Senna is a limited-production mid-engine sports car manufactured by McLaren Automotive. The car is the third addition in the McLaren Ultimate Series, joining the F1 and the P1; however, it is not a direct successor to either of the cars. The Senna was unveiled online by the company on December 10, 2017, with the official unveiling taking place at the 2018 Geneva Motor Show.
The car is named after the Brazilian Formula One race driver Ayrton Senna, honouring and giving tribute to his success with the McLaren Formula One Team between 1988 and 1993 Formula 1 seasons. Senna won three Formula One World Driver's Championship titles and thirty-five Formula One Grand Prix race wins with the team; McLaren also won four consecutive Formula One World Constructor's Championship titles with Senna as part of their driver line-up.
McLaren Automotive holds the rights to the Senna family name along with the Instituto Ayrton Senna. The organisation and McLaren have made the Senna name exclusive to the car, thereby prohibiting any other company from using the name.
McLaren's main focus while designing the Senna was to achieve faster lap times. In order to do so, McLaren developed a lightweight design that incorporated aerodynamic elements.
The Senna is largely based on the McLaren720S, using a modified version of its carbon fibre monocoque and engine. The Senna is powered by a modified version of the McLaren 720S' 3,994 cc (4.0 L; 243.7 cu in) twin-turbocharged V8 engine codenamed the M840TR. It utilises a seven-speed dual-clutch transmission that delivers all 800 PS (588 kW; 789 hp) at 7,250 rpm and 590 lb⋅ft (800 N⋅m) of torque at 5,500 rpm to the rear wheels. Unlike the previous offering in the Ultimate Series, the P1, the Senna does not use an electric motor in favour of its low claimed dry weight of 1,198 kg (2,641 lb), which allows for a maximum power-to-weight ratio of 667 PS (491 kW; 658 hp) per ton.
The car constitutes of aerodynamic elements, those being a large adjustable double-element rear wing (that is operated electronically and has various settings in order to provide optimum performance while also acting as an airbrake), double-element diffuser, Formula One-inspired roof scoop, front and side air intakes, rear air louvres, and large front fenders. Inside the panel beside the intakes is a small set of mini-canards. Areas of low pressure are accompanied using high-performance radiators that ensure improved engine cooling. The car uses dihedral doors, like the previous offerings in the Ultimate Series, and also has optional windows applied on the lower area of its doors.
The Senna uses a new generation of Brembo's carbon ceramic brakes, containing a compound that has three and a half times better thermal conductivity than before, making the brakes smaller and lighter. It also features a new set of lightweight center-lock alloy wheels designed for Pirelli P-Zero Trofeo R tyres. Its central design is a new generation of McLaren's carbon fibre monocoque named MonoCage III, which contributes to the car's relatively low dry weight. The car utilises a top mounted (hot-vee) inconel-titanium exhaust system with three outlet pipes in order for a more aggressive exhaust note and engine emissions. The interior consists largely of exposed carbon fibre and Alcantara, with seats that can be upholstered in Alcantara or leather, depending on the customer's preference. Behind the two seats is room large enough for two helmets and race suits, reflecting the car's minimalist and track focused design. The car utilises McLaren's hydraulic RaceActive Chassis Control II (RCC II) suspension along with double-wishbone control arms.
Manufacturer claimed figures:In February 2018, McLaren released the full performance statistics of the track-oriented Senna model:
Independent test (done by Autocar):
Every car will be hand-built at the McLaren Production Centre in Woking, Surrey, England with a production run of just 500 units, all of which are already sold. The McLaren Senna is listed at the price of £750,000 with the final car auctioned at a price of £1,916,793. Deliveries began in the third quarter of 2018.
At the 2018 Geneva Motor Show, McLaren unveiled the track-only iteration of the Senna dubbed the Senna GTR. The GTR utilises a dual-clutch race transmission for faster gear shifts, a revised suspension system and Pirelli racing slicks in order to make it the fastest non-Formula One vehicle McLaren has ever created for faster lap times. The Senna GTR is estimated to produce at least 825 PS (607 kW; 814 hp) from its 4.0 L twin-turbocharged V8 engine and is meant to be faster and more agile than its road-going counterpart. On the exterior, the GTR utilises wider front and rear fenders, a larger front splitter, new wheels and a bigger rear diffuser in order to make the car generate about 1,000 kg (2,204 lb) of downforce. The Senna GTR will be limited to only 75 examples and will have a cost of £1 million each.
In reviewing the future regulations for the World Endurance Championship, the Fédération Internationale de l'Automobile (FIA) identified the Senna GTR as one of several models that fit their vision of a replacement for the Le Mans Prototype class.
In GTA: Online, the fictitious Progen Emerus has its design cues based on McLaren Senna.
The McLaren Senna is featured both on the cover and in the racing video game Forza Horizon 4. A Lego Speed Champions version of the car exists, only faster then the base version of Senna. The car also features in the game Asphalt 9: Legends.
Additionally, the Senna was featured in a segment of The Grand Tour reviewed by Jeremy Clarkson who described it as having "rewritten the supercar rule book". The car also posted a 1:12.9 second lap time around the Grand Tour test track, the Eboladrome, the fastest time to date. However, the vehicle does not appear in The Grand Tour Game due to licensing issues.
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