Compare the Citroen DS5 1.6 THP 200 - [2011] vs Ford Focus 2.0 ST-3 TDCi 185PS - [2017]. 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 Citroen DS5 1.6 THP 200 or the Ford Focus 2.0 ST-3 TDCi 185PS. We'll leave it up to you to decide which is your favourite.