Bugatti Veyron Grand Sport Vitesse review: http://bit.ly/11bx0Hq Subscribe to evo TV for more videos: http://bit.ly/WpFurP Register for evo's weekly newsletter: http://bit.ly/YwSED0 evo puts the world's fastest convertible, Bugatti's 254mph Veyron Grand Sport Vitesse, against the 720bhp Pagani Huayra to see which of the ultimate hypercars comes out on top. Read the full story in evo 185, on sale now: http://bit.ly/11492Oc