Video: McLaren 650S preview

Nick Trott talks about the new 12C-based 650S supercar. The new model will sit above the 12C (but below the P1), gunning for the 458 Speciale, and features a new version of the M838T 3.8-litre twin-turbo V8 engine. Power has been increased from 616bhp to 641bhp, with torque now pegged at 500lb ft.