Compare the Bugatti Veyron 8.0 litre W16 Super Sport - [2010] vs Lamborghini Diablo GTR 6.0L V12 - [2001]. 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 Bugatti Veyron 8.0 litre W16 Super Sport or the Lamborghini Diablo GTR 6.0L V12. We'll leave it up to you to decide which is your favourite.