Heres a list of some other laptimes on the same circuit, different days, weather , drivers all have an effect but the 'company' is pretty good as examples.
7:32 - Porsche Carrera GT (7:32.44)
7:44 - Zonda
7:46 - Porsche 996 GT2
7:47 - Porsche Gt3 RS (sport tyres)
7:50 - M3 CSL (sport tyres)
7:52 - GT3 (381hp)
7:52 - Lamborghini Gallardo
7:52 - Lamborghini Murcielao
7:52 - Mercedes SLR mclaren
7:56 - Porsche 996 Turbo
7:56 - 360 stradale (sport tyres)
7:57 - Lotec Porsche 993 Turbo (600 HP, racing suspension)
8:07 - Ferrari 550
8:09 - Lamborghini Diablo SV
8:09 - Ferrari 360 Modena
8:10 - Chrysler Viper GTS
8:12 - Porsche 993 Turbo (430 HP version)
8:15 - BMW Z8 400 HP
8:17 - Porsche 996 C2
8:18 - Ferrari F355
8:22 - BMW M Coupe 321 HP
8:25 - Audi RS4 375 HP
8:28 - Porsche 993 C2
8:28 - BMW M5 400 HP
8:32 - Porsche Boxster S
8:35 - BMW M3 Coupe 321 HP
8:37 - Mercedes C32 AMG
8:38 - Honda NSX
8:39 - Honda S2000
8:40 - Chevrolet Corvette
8:42 - Audi S4 265 HP
8:42 - Lotus Exige
8:49 - Jaguar XKR Coupe
8:52 - Mercedes CLK 430 
