Compare the Porsche Cayman 2.7 - [2006] vs Toyota Celica GT Four ST205 - [1994]. 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 2.7 or the Toyota Celica GT Four ST205. We'll leave it up to you to decide which is your favourite.