Supercar top speed test (http://www.dpccars.com/car-movies/11-01-06page-Supercar-top-speed-test.htm)
Ferrari 599 GTB
Lamborghini Murcielago LP640
Bugatti Veyron
Mercedes-Benz SLR
Ford GT
Porsche 997 Turbo
Dodge Viper SRT-10
Aston Martin Vanquish S
Chevrolet Corvette C6 Z06

Bugatti 250+ MPH...Police helicopters are too slow to catch it.

yea, its hard to find, but its not hard to spot

still though, there is no point at which you can do 200+ on a road

buggati said it COULD GO FASTER but the tires can't handle it, so we MAY be looking at a 260 - 300 MPH car