Compare the Porsche Cayenne 3.0 V6 Turbo Diesel - [2009] vs Mercedes 200 W114 Sedan Serie 1 - [1967]. 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 3.0 V6 Turbo Diesel or the Mercedes 200 W114 Sedan Serie 1. We'll leave it up to you to decide which is your favourite.