Compare the BMW 2 Series M235i Cabriolet F23 - [2014] vs Mercedes C Class 43 AMG - [1997]. 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 BMW 2 Series M235i Cabriolet F23 or the Mercedes C Class 43 AMG. We'll leave it up to you to decide which is your favourite.