Full qualifying times ahead of the Lone Star Grand Prix, Houston, Texas.

1. Weaver/Leitzinger Dyson Lola B06/10-AER 1min 04.459secs
2. Dumas/Bernhard Penske Porsche RS Spyder 1min 04.481secs*
3. Maassen/Luhr Penske Porsche RS Spyder 1min 05.245secs*
4. Capello/McNish Audi Audi R8 1min 05.382secs
5. McMurray/Willman Autocon Lola EX257-AER 1min 06.629secs
6. Fellows/O'Connell Corvette Corvette C6-R 1min 08.035secs**
7. Beretta/Gavin Corvette Corvette C6-R 1min 08.090secs**
8. Halliday/Field Intersport Lola B05/40-AER 1min 08.399secs*
9. Turner/Enge AMR Aston Martin DBR9 1min 08.427secs**
10. Sarrazin/Lamy AMR Aston Martin DBR9 1min 08.629secs**
11. Ruberti/Weickardt Konrad Saleen S7R 1min 10.368secs**
12. Melo/Salo Risi Ferrari 430GT 1min 11.209secs***
13. Long/Bergmeister/Petersen Petersen Porsche 911 GT3 RSR 1min 11.340secs***
14. Maxwell/Brabham Multimatic/Panoz Panoz Esperante GTLM 1min 11.777secs***
15. Bach/Cosmo B-k Courage C65 Mazda 1min 11.866secs*
16. Graf/Rockenfeller Alex Job Porsche 911 GT3 RSR 1min 11.895secs***
17. Milner/Jeannette Multimatic Panoz Panoz Esperante GTLM 1min 12.131secs***
18. Van Overbeek/Henzler Flying Lizard Porsche 911 GT3 RSR 1min 12.449secs***
19. Pechnik/Neiman Flying Lizard Porsche 911 GT3 RSR 1min 12.722secs***
20. Devlin/Van der Steur Van der Steur Racing Lola BK/40 AER 1min 12.984secs*
21. Marks/Jensen PTG BMW BMW M3 1min 13.186secs***
22. Dyson/Smith Dyson Lola B06/10 AER No Time
23. Auberlen/Hand PWL PTG BMW BMW M3 No Time***

[* denotes LMP2; ** GT1; *** GT2; all others LMP1]