Compare the Seat Leon SC 1.8 FR Start-Stop DSG - [2013] vs Volvo S40 2.5 T5 AWD - [2006]. 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 Seat Leon SC 1.8 FR Start-Stop DSG or the Volvo S40 2.5 T5 AWD. We'll leave it up to you to decide which is your favourite.