What do you do when your best laid plans to test supercars go awry because of the snow? Drive them anyway, of course. Steve Sutcliffe pits his wits at the wheel of some fast cars in the very worst conditions. Full reviews at www.autocar.co.uk
Supercars in the snow – Audi R8, Bentley Continental GT Speed, Porsche 911, Jaguar XKR-S
