From December 2004 Porsche will offer a 500bhp upgrade for the current 450bhp Cayenne Turbo that can be carried out either by the factory or your own dealer. Torque increases from 460lb ft to 515lb ft.
BMW M2 v Mercedes-AMG A45 S – £65k performance machines go head-to-head
Hyperhatch versus sports coupe, four-wheel drive opposes rear, auto confronts manual. Despite their differences, the AMG A45 S and BMW M2 are still cl…