Compare the KTM X-Bow R 2.0 Turbo - [2013] vs Lamborghini Gallardo LP570-4 Spyder Performante Edizione - [2013]. 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 KTM X-Bow R 2.0 Turbo or the Lamborghini Gallardo LP570-4 Spyder Performante Edizione. We'll leave it up to you to decide which is your favourite.