Compare the Mercedes 200 W114 Sedan Serie 1 - [1967] vs Ford Fiesta XR2 - [1981]. 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 Mercedes 200 W114 Sedan Serie 1 or the Ford Fiesta XR2. We'll leave it up to you to decide which is your favourite.