Road America Tableau des essais véhicules, essais sur 6 tour en partie privé, sauf pour la Pagani et la Ferrari F458 fait en qualificaion 10tours/course: Road America
1 Zonda GR 2:01.531 286km/h
2 Ferrari 458 2:02.033 288km/h +0.502
3 Dodge Viper GTS-R 2:02.319 286km/h +0.788
4 Corvette C6R 2:02.826 290km/h +1.295
5 Aston Martin DBR9 2:02.912 290km/h +1.381
6 Ferrari F430GT 2:02.974 289km/h +1.443
7 GT3-RSR 2005 2:03.082 282km/h +1.551
8 Ford GT Mk7 2:03.336 290km/h +1.805
9 BMW M3 GTR 2:03.470 296km/h +1.939
10 Maserati MC12 2:03.514 283km/h +1.983
11 Panoz Abruzzi 2:03.615 288km/h +2.084
12 MP4-12C GT3 2:03.719 282km/h +2.188
13 Jaguar XKR 2:03.739 292km/h +2.208
14 BMW M3 GT2 2:03.923 287km/h +2.392
15 Panoz GTLM 2:03.949 290km/h +2.418
16 GT3-RSR 2011 2:04.157 286km/h +2.626
17 Viper GTS-R'12 2:04.330 282km/h +2.799
18 Gallardo 2:04.600 280km/h +3.069
19 Corvette ZR1 2:04.993 286km/h +3.462