the fastest car in 2010

It is of coz,the bugatti veyron super sport.
It has the improved aerodynamics kit, 1,200 PS (883 kW) 1,500 newton metres (1,100 ft·lbf) torque engine upgraded. It has a 431.072 km/h (267.856 mph) top speed, making it the fastest road car in production in 2010.

Here is the link of the official video of the bugatti veyron super sport:
http://www.youtube.com/watch?v=xjfiFEXNYdY