The high - winding, raucous 3.7 - litre V6 is rated for 332 horsepower and 270 lb - ft of torque (the Nismo numbers are a bit higher) and is attached to a 6 - speed manual gearbox or a 7 - speed autobox with paddle shifters. (bestride.com)
It's powered by the same 256bhp / 295 lb ft four - cylinder used in other Insignia models and as standard it's paired to an eight - speed autobox with steering wheel - mounted paddles. (evo.co.uk)
With the same 5.2 - litre V10 as the hard - top pumping out 532bhp and 540Nm of torque, mated to the S - Tronic dual clutch autobox, this means the R8 Spyder can shoot from 0 - 62mph in 3.6 seconds. (autoexpress.co.uk)