It is the most expensive, most powerful, and fastest car in the world, with a proven top speed of 407 km/h or 253 mph.
You can get the Bugatti Veyron without problems for $1,500,000 or €1100000 or £800,000. But plz, do not buy too much, or car will cease to be exclusive =)

see also Strangest motorcycle in the world - Bombardier Embrio