Bugatti

From 2005 until 2011 Bugatti, made Veyron with an engine of 16.4 L, then from 2009 made another model called Grand Sport.
As well as Super Sport, Grand Sport Vitesse *Roadster*. The 16.4 L was powered with an engine of 1014 PS *749 kW, 1000 bhp* W16 Quad*turbocharged, Grand Sport Vitesse with 1216 PS *895 kW, 1200 bhp.*

When looking better into Bugatti cars, you will see that Bugatti is more like a "dragster car", as it has so much power on it.
Bugatti has a top speed over 400 km/h, and  to reach from 0-100 km/h it needs 2.8 seconds.

The price of Bugatti is very high, and there are only millionairs that can have such a car.
The other thing is that it's spare parts are very expensive, and it's maintanance costs a lot.
Starting with it's insurance, and so on, you will find Bugatti as on of the most expensive cars in the world.