If the latest rumors are to be believed, however, the new special Bugatti could be very special indeed. Supposedly called the Centenaire edition, reports suggest the special Veyron an increased power rating – word on the street has always been that the Veyron's quad-turbo W16 was always capable of more than the already astronomic 1000 horsepower rating it got – up to some 1350 horses, good enough to boost the top end up to 420 km/h (261 miles-per-hour) from the current benchmark of 400 km/h (253 mph).