The transmission is mated to a revised version of the Mercedes-AMG 6.0-litre V12, as seen in the Huayra coupé. The twin, rear-mounted turbos have been re-worked and power is up to 754bhp, a rise of 34bhp. With a dry weight of just 1280kg, that’s a tasty power-to-weight ratio of 589bhp per tonne.