This discription is all about the engine but in the upper is the image of the car that is the fastest Car.
The Veyron features a 16 cylinder engine, equivalent to two narrow-angle V8 engines mated in a W configuration. Each cylinder has four valves for a total of sixty four, but the narrow staggered V8 configuration allows two overhead camshafts to drive two banks of cylinders so only four camshafts are needed. The engine is fed by four bi-turbochargers and displaces 7,993 cubic centimetres (487.8 cu in), with a square 86 by 86 mm (3.4 by 3.4 in) bore and stroke.
Bugatti Veyron Grand Sport
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Bugatti Veyron Pur Sang
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The transmission is a dual-clutch direct-shift gearbox computer-controlled automatic with seven gear ratios, with magnesium paddles behind the steering wheel and a shift time of less than 150 milliseconds, built by Ricardo of England rather than Borg-Warner, who designed the six speed DSG used in the mainstream Volkswagen Group marques. The Veyron can be driven in either semi- or fully automatic mode. A replacement transmission for the Veyron costs just over €120,000. It also has permanent four wheel drive using the Haldex Traction system. It uses special Michelin PAX run flat tires, designed specifically to accommodate the Veyron's top speed, which reportedly cost €25,000 per set. The tyres can be removed from the rims only in France, a service which reportedly costs €70,000. Curb weight is 2,034.8 kilograms (4,486 lb). This gives the car a power to weight ratio, according to Volkswagen Group's figures, of 446.3 metric horsepower (328 kW; 440 bhp) per ton.
