Compare the Radical SR3 1.5 16V - [2001] vs Lamborghini Aventador LP770-4 Roadster SVJ - [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 Radical SR3 1.5 16V or the Lamborghini Aventador LP770-4 Roadster SVJ. We'll leave it up to you to decide which is your favourite.