Compare the Porsche Cayenne 4.8 Turbo - [2007] vs Chevrolet Corvette C1 283 Convertible - [1957]. Find out which car is the fastest, most powerful, lightest or has the biggest engine in our top trumps style comparison page. Find out which car has the highest top speed or is the fastest accelerating, is it the Porsche Cayenne 4.8 Turbo or the Chevrolet Corvette C1 283 Convertible. We'll leave it up to you to decide which is your favourite.