Bugatti Veyron Super Sports --- the most horsepower, the fastest top speed and acceleration -- and -- most expensive .:. .:. image credit: http://www.worldsmostexpensivecar.com/bugatti-veyron-super-sport/
km/h: Bugatti Veyron Grand Sport Vitesse sets world speed record for open-top production sports cars Bugatti Grand Sport Vitesse officially the fastest roadster in the world Chinese racing driver Anthony Liu at the wheel of the reco.