Geneva Motor Show: Mercedes-Benz SL 63 AMG

When you're looking for something big, prestigious, comfy and indecently fast you've a few places to look. Invariably, though, you find yourself looking at the SL 63 AMG.

It's got a 5.5-litre biturbo V8 and produces 537bhp as standard or, with the optional AMG performance package, 564bhp.