Compare the Bentley Continental GT Speed - [2012] vs Chevrolet Corvette C3 ZR2 Stingray 7.4 V8 Convertible - [1971]. 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 Bentley Continental GT Speed or the Chevrolet Corvette C3 ZR2 Stingray 7.4 V8 Convertible. We'll leave it up to you to decide which is your favourite.