The Bugatti Veyron 16.4 is a mid-engine sports car produced by Volkswagen AG subsidiary Bugatti Automobiles SAS introduced in 2005. It is the quickest accelerating and decelerating road-legal production car in the world, and it was the world''s fastest car until it was beaten by the SSC Ultimate Aero TT in 2007. Powered by a 1,001 PS (987 hp/736 kW) W16 engine, it is able to achieve an average top speed of 408.47 km/h (253.81 mph).