Compare the Koenigsegg Regera 5.0 V8 Turbo - [2015] vs SSC Aero SC 8T 6.3L - [2005]. 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 Regera 5.0 V8 Turbo or the SSC Aero SC 8T 6.3L. We'll leave it up to you to decide which is your favourite.