Compare the Audi A5 3.0tdi Quattro Cabriolet - [2009] vs Volkswagen-VW Golf GTD 2.0 TDI DSG - [2015]. 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 Audi A5 3.0tdi Quattro Cabriolet or the Volkswagen-VW Golf GTD 2.0 TDI DSG. We'll leave it up to you to decide which is your favourite.