The Bugatti Veyron EB 16.4 is a German mid-engined grand touring car. The Super Sport version is the fastest production car in the world, with an average top speed of 431.072 kilometres per hour (267.856 mph).The original version has a top speed of 408.47 km/h (253.81 mph). Designed and developed by the German Volkswagen Group and produced by Bugatti Automobiles SAS at their headquarters in Château St. Jean in Molsheim (Alsace, France), the Veyron's chief designer was Hartmut Warkuss, and the exterior was designed by Jozef Kabaò of Volkswagen, with much of the engineering work being conducted under the guidance of a former VW engineer and now Bugatti Engineering chief Wolfgang Schreiber.