Compare the Koenigsegg CCX R Special Edition 4.8 V8 S - [2008] vs Bugatti Chiron Pur Sport 8.0 W16 Quad Turbo - [2019]. 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 Koenigsegg CCX R Special Edition 4.8 V8 S or the Bugatti Chiron Pur Sport 8.0 W16 Quad Turbo. We'll leave it up to you to decide which is your favourite.