The Lamborghini Reventón is a mid-engine sports car that debuted at the 2007 Frankfurt Motor Show. Its top speed is 340 km/h (210 mph). The official press release stated that only 20 vehicles would be sold to the public, with one additional car produced for the Lamborghini museum. Each car is stamped with its number in the sequence of 35 between the driver's and passenger's seats.