| 1st | 1 | Lehto / Werner / Kristensen | Audi R8 | ADT/Champion Racing | 1:48.580 | 1:49.7230 | 1:48.5800 | 1:52.3030 | 1:49.2290 | 1:49.7110 |
| 2nd | 2 | Pirro / Biela / McNish | Audi R8 | ADT/Champion Racing | 1:48.678 | 1:50.0550 | 1:48.6780 | 1:53.4670 | 1:49.6530 | 1:49.6530 |
| 3rd | 16 | Weaver / Wallace / Leitzinger | Lola EX257 AER | Dyson Racing Team | 1:49.085 | 1:51.3510 | 1:49.0850 | 1:50.2870 | 1:50.2930 | 1:49.2560 |
| 4th | 20 | Smith / Dyson | Lola EX257 AER | Dyson Racing Team | 1:49.090 | 1:50.2490 | 1:49.0900 | 1:57.1380 | 1:49.6160 | 1:49.1140 |
| 5th | 37 | Field / Dayton / Fisken | Lola B05/40 AER | Telessis Intersport Racing | 1:51.508 | 1:51.7520 | 1:52.6110 | 2:00.1820 | 1:52.6180 | 1:51.5080 |
| 6th | 88 | Barbosa / Theys / Krumm | Dallara LMP Nissan | Rollcentre Racing | 1:53.748 | 1:58.0010 | 1:53.7480 | 1:55.3420 | 1:59.8630 | 1:54.4150 |
| 7th | 10 | Bucknum / McMurry / James | Courage C65 AER | Miracle Motorsports, Inc. | 1:54.502 | 1:54.6690 | 1:54.5020 | 2:05.6700 | 1:54.5190 | 1:55.1710 |
| 8th | 27 | Mitchell / Bennett / Primat | Courage C65 Judd | Kruse Motorsport | 1:55.018 | 1:55.9860 | 1:56.0320 | 2:03.7780 | 1:59.2960 | 1:55.0180 |
| 9th | 12 | Lewis / Drissi / Willman | Riley & Scott Mk III C Elan | Autocon Motorsports | 1:56.034 | 1:57.8410 | 1:56.0340 | 3:03.7150 | | 1:58.0530 |
| 10th | 57 | Turner / Brabham / Ortelli | Aston Martin DBR9 | Aston Martin Racing | 1:56.599 | 1:58.5190 | 1:56.5990 | 1:59.3990 | 1:57.9980 | 1:57.9980 |
| 11th | 4 | Gavin / Beretta / Magnussen | Chevrolet Corvette C6-R | Corvette Racing | 1:56.812 | 1:57.3470 | 1:56.8120 | 2:01.0690 | 1:57.8490 | 1:57.3470 |
| 12th | 3 | Fellows / O'Connell / Papis | Chevrolet Corvette C6-R | Corvette Racing | 1:56.900 | 1:57.6860 | 1:56.9000 | 2:03.3850 | 1:57.7640 | 1:57.7470 |
| 13th | 5 | Dalziel / Figge / Empringham | Chevrolet Corvette C5-R | Pacific Coast Motorsports | 1:57.223 | 1:59.4090 | 1:59.2160 | 1:59.0160 | 1:58.3530 | 1:57.2230 |
| 14th | 63 | Mowlem / Borcheller / Kelleners | Saleen S7-R | ACEMCO Motorsports, LLC. | 1:57.420 | 1:57.8810 | 1:57.4200 | 2:01.2750 | 1:58.4780 | 1:58.4560 |
| 15th | 58 | Lamy / Kox / Sarrazin | Aston Martin DBR9 | Aston Martin Racing | 1:57.452 | 1:58.3700 | 1:57.4520 | 2:01.3970 | 1:58.2300 | 1:58.0630 |
| 16th | 86 | Bouchut / Gollin / Bourdais | Ferrari 550 Maranello | Care Racing - Larbre | 1:59.160 | 2:00.0990 | 1:59.1600 | 2:02.1800 | 2:00.2560 | 1:59.4970 |
| 17th | 35 | Bertolini / de Simone / Babini | Maserati MC12 | Maserati Corse | 1:59.181 | 2:00.3810 | 1:59.1810 | 2:02.3480 | 2:00.6810 | 1:59.4300 |
| 18th | 30 | Field / Halliday / Ridpath | Lola B2K/40 Judd | Telessis Intersport Racing | 1:59.196 | 2:10.0310 | 1:59.1960 | 2:03.6650 | 2:13.3790 | 2:11.2970 |
| 19th | 15 | Binnie / *Julien / *Sharpe | Lola B05/40 NME | Binnie Motorsports | 1:59.845 | 2:00.2190 | 2:02.9460 | 2:11.5880 | 2:02.8090 | 1:59.8450 |
| 20th | 71 | Belloc / Rugolo / Weickardt | Dodge Viper GTS-R | Carsport America | 2:00.079 | 2:00.0790 | 2:01.2570 | 2:11.4770 | 2:00.2580 | 2:00.2580 |
| 21st | 31 | Bergmeister / Luhr / Long / *Petersen | Porsche 996 GT3-RSR | Petersen Motorsports/White Lightning Racing | 2:04.037 | 2:04.9600 | 2:04.8190 | 2:05.6490 | 2:05.1080 | 2:04.0370 |
| 22nd | 83 | Smith / Sutherland / Cole | Saleen S7-R | Graham Nash Motorsport | 2:04.116 | 2:08.3460 | 2:04.1160 | 2:12.8630 | 2:13.6160 | 2:05.2350 |
| 23rd | 23 | Bernhard / Dumas / Maassen | Porsche 996 GT3-RSR | Alex Job Racing | 2:04.547 | 2:05.0780 | 2:04.5470 | 2:07.2040 | 2:04.7270 | 2:04.7160 |
| 24th | 50 | Auberlen / Liddell / Naspetti | Panoz Esperante GTLM | Panoz Motor Sports | 2:04.600 | 2:05.0470 | 2:04.6000 | 2:20.1460 | 2:06.1370 | 2:04.7410 |
| 25th | 45 | Fogarty / Van Overbeek / Law | Porsche 996 GT3-RSR | Flying Lizard Motorsports | 2:04.822 | 2:06.1400 | 2:05.6980 | 2:10.0130 | 2:04.8220 | 2:06.1280 |
| 26th | 43 | Rockenfeller / Jensen / Burgess | Porsche 996 GT3-RSR | BAM! | 2:05.107 | 2:07.9160 | 2:05.6460 | 2:07.0800 | 2:05.1070 | 2:05.3240 |
| 27th | 24 | Pobst / Baas / Cunningham | Porsche 996 GT3-RSR | Alex Job Racing | 2:05.337 | 2:06.6870 | 2:05.9840 | 2:07.4790 | 2:05.3370 | 2:06.1140 |
| 28th | 51 | Jeannette / Sellers / Maxwell | Panoz Esperante GTLM | Panoz Motor Sports | 2:05.695 | 2:06.4790 | 2:05.6950 | 2:06.2240 | 2:06.1390 | 2:06.1390 |
| 29th | 44 | Pechnik / Murry / *Neiman | Porsche 996 GT3-RSR | Flying Lizard Motorsports | 2:05.736 | 2:07.3040 | 2:06.6340 | 2:12.3070 | 2:06.1090 | 2:05.7360 |
| 30th | 79 | Sugden / Jönsson / *Jackson | Porsche 996 GT3-RSR | J3 Racing, Inc. | 2:06.370 | 2:08.2910 | 2:06.3700 | 2:08.1910 | 2:09.3230 | 2:07.4580 |
| 31st | 96 | Vergers / Barazi / Thompson | Porsche 996 GT3-RSR | IN2 Racing | 2:06.379 | 2:09.0220 | 2:06.3790 | 2:10.2200 | 2:08.7710 | 2:10.6150 |
| 32nd | 67 | Ehret / *Buckler / *Davis | Porsche 996 GT3-RSR | TRG | 2:06.850 | 2:07.6250 | 2:06.8500 | 2:09.4500 | 2:07.3780 | 2:06.9000 |
| 33rd | 34 | Lally / Pumpelly / Ivankovich | Porsche 996 GT3-R | ZIP Racing | 2:06.883 | 2:13.1760 | 2:06.8830 | 2:08.1690 | | 2:07.1490 |
| 34th | 40 | Kane / Tomlinson / Hughes | TVR Tuscan T400R | Team LNT - Magic | 2:08.171 | 2:08.7290 | 2:08.2460 | 2:17.0250 | 2:08.1710 | 2:09.4680 |
| 35th | 41 | Dean / Pearce / Hynes | TVR Tuscan T400R | Team LNT - Magic | 2:08.347 | 2:08.3470 | 2:09.4670 | 2:15.7660 | 2:10.6140 | 2:10.6140 |
| 36th | 48 | Coronel / Goossens / Crevels | Spyker C8 Spyder GT2 R | Spyker Squadron | 2:08.588 | 2:11.8400 | 2:08.5880 | 2:12.9340 | 5:13.1150 | 2:10.2040 |
| 37th | 66 | Cawley / Sluszny / Krohn | Porsche 996 GT3-RSR | TRG | 2:09.110 | 2:09.1100 | 2:09.5100 | 2:39.3070 | 2:09.8470 | 2:09.8470 |
| 38th | 47 | van Merksteijn / *Munsterhuis / *Franchitti | Spyker C8 Spyder GT2 R | Spyker Squadron | 2:12.456 | 2:16.7330 | 2:14.4130 | 2:13.2610 | 2:31.8450 | 2:12.4560 |