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). The car reached full production in September 2005, and is handcrafted in a factory Volkswagen built near the former Bugatti headquarters in Château St Jean in Molsheim (Alsace, France). It is named after French racing driver Pierre Veyron, who won the 24 hours of Le Mans in 1939 while racing for the original Bugatti firm.