Geoff Brabham (GTP)
Parker Johnstone (Lights)
Pete Halsmer (GTO)
John Fergus (GTU)
Dick Greer (AAC)
Mistrz producentów
Nissan (GTP)
Acura (Lights)
Mazda (GTO)
Nissan (GTU)
| Runda | Tor | Data | Klasa | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|---|
| 1 | Daytona Daytona 24 godziny | 1991.02.02 - 02.03 | Lights | Spice SE90P - Acura | Comptech Acura | |
| 2 | West Palm Beach | 1991.03.03 | Lights | Spice SE90P - Acura | Comptech Racing | |
| 3 | Sebring Sebring 12 godzin | 1991.03.16 | Lights | Kudzu DG-1 - Buick | Essex Racing | |
| 4 | Miami | 1991.04.07 | Lights | Spice SE90P - Acura | Comptech Racing | |
| 5 | Road Atlanta | 1991.04.28 | Lights | Spice SE90P - Acura | Comptech Racing | |
| 6 | Heartland Park | 1991.05.05 | Lights | Spice SE90P - Acura | Comptech Racing | |
| 7 | Lime Rock Park | 1991.05.26 | Lights | Spice SE90P - Ferrari |  David Tennyson | |
| 8 | Mid-Ohio | 1991.06.02 | Lights | Spice SE90P - Acura | Comptech Racing | |
| 9 | New Orleans | 1991.06.16 | Lights | Spice SE90P - Ferrari | David Tennyson | |
| 10 | Watkins Glen | 1991.06.30 | Lights | Spice SE90P - Acura | Comptech Racing | |
| 11 | Laguna Seca | 1991.07.21 | Lights | Spice SE89P - Ferrari | Bieri Racing | |
| 12 | Portland | 1991.07.28 | Lights | Spice SE89P - Ferrari | Bieri Racing | |
| 13 | Road America | 1991.08.25 | Lights | Kudzu DG-1 - Buick | Essex Racing Team | |
| 14 | Del Mar | 1991.10.13 | Lights | Spice SE90P - Acura | Comptech Racing |
