| PORTLAND RACE - 22 JULY 2006 | ||||
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| Audi R10 TDI #2 (Audi Sport North America), Allan McNish | Audi R10 TDI #1 (Audi Sport North America), Frank Biela | Audi R10 TDI #2 (Audi Sport North America), Allan McNish | Audi R10 TDI #2 (Audi Sport North America), Dindo Capello and Allan McNish | Audi R10 TDI #2 (Audi Sport North America), Dindo Capello |
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| Audi R10 TDI #1 (Audi Sport North America), Emanuele Pirro and Frank Biela | Audi Sport North America 1st and 2nd | |||