The Super Sport version of the Veyron is recognised by Guinness World Records as the fastest street-legal production car in the world, with a top speed of 431. 072 km/h (267. 856 mph). The Veyron Grand Sport Vitesse was the fastest roadster in the world, reaching an averaged top speed of 408. 84 km/h (254. 04 mph) in a test on 6 April 2013.