McLaren has exposed the very first official details of what will power its new P1 supercar, ahead of the production car’s world debut at the Geneva motor show in March.
As expected, the P1 uses a twin-turbo 3.8-litre V8 – developed from the one in the 12C – as well as an electric motor for a overall of 903bhp. Both provide power to the rear wheels with a seven-speed dual-clutch gearbox, as well as while McLaren hasn’t exposed performance figures we’re expecting the system to enable for acceleration from 0-100mph in less than six seconds.
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The 3.8-litre engine creates 727bhp at 7,500rpm as well as 720Nm of torque from 4,000 rpm, while the electric motor creates 176bhp as well as maximum torque of 260Nm from zero rpm. thanks to its powerful hybrid powertrain, the P1 will emit less than 200g/km – about the exact same as petrol-powered Volkswagen Sharan MPV. 
An IPAS (Instant Power help System) button on the steering wheel enables for the full 176bhp from the electric motor to be quickly available, supplying an electric boost like the KERS system on a formula One car.
The P1 likewise has one more F1-inspired feature, in the DRS (Drag reduction System). activated by one more button on the steering wheel, the DRS reduces the angle of the wing to lower drag by 23 per cent.
An E-mode is offered for the powertrain, which enables the P1 to run for around six miles on electric power alone. The battery is charged by the engine however can likewise be plugged in to the wall for a full recharge in about two hours.
Further details on the P1 will be exposed when the vehicle debuts at the Geneva motor Show.