The Veyron should come close if it does 0-100 in 6 seconds.

Other numbers:



It's hard to compare though, since different test surfaces will yield different results.

For instance:




I personally love the way the Caparo T-1 looks:





If they hit their estimated numbers (0-60 in 2.0 seconds, 0-100 in 5.0 seconds), 3g cornering and braking, it should beat the Ultima GTR number by a nice margin.