Compare the Porsche Cayman S 3.4 Turbo - [2005] vs Chevrolet Camaro Z28 SS 5.7 V8 - [1998]. 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 Cayman S 3.4 Turbo or the Chevrolet Camaro Z28 SS 5.7 V8. We'll leave it up to you to decide which is your favourite.