Geoff Brabham (GTP)
Tomás López (Lights)
Dorsey Schroeder (GTO)
Lance Stewart (GTU)
Mistrz producentów
Nissan (GTP)
Buick (Lights)
Mercury (GTO)
Mazda (GTU)
| Runda | Tor | Data | Klasa | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|---|
| 1 | Daytona Daytona 24 godziny | 1990.02.03 - 02.04 | GTO | Lincoln Mercury Cougar XR-7 - Ford | Tru-Cur Roush | |
| 2 | Miami | 1990.02.25 | GTO | Nissan 300ZX Turbo | Cunningham Racing | |
| 3 | Sebring Sebring 12 godzin | 1990.03.17 | GTO | Lincoln Mercury Cougar XR-7 - Ford | Roush Racing | |
| 4 | Long Beach | 1990.04.21 | GTO | Lincoln Mercury Cougar XR-7 - Ford | Whistler Radar | |
| 5 | Heartland Park | 1990.05.05 | GTO | Mazda RX-7 | Mazda | |
| 6 | Mid-Ohio | 1990.06.03 | GTO | Mazda RX-7 | Mazda | |
| 7 |  Mosport Park | 1990.06.24 | GTO | Nissan 300ZX | Cunningham Racing | |
| 8 | Meadowlands | 1990.07.14 | GTO | Lincoln Mercury Cougar XR-7 - Ford | Whistler Radar | |
| 9 | Portland | 1990.07.29 | GTO | Lincoln Mercury Cougar XR-7 - Ford | Whistler Radar | |
| 10 | Road America | 1990.08.19 | GTO | Nissan 300ZX | Cunningham Racing | |
| 11 | San Antonio | 1990.09.02 | GTO | Mazda RX-7 | Mazda Motorsports | |
| 12 | Watkins Glen | 1990.09.23 | GTO | Lincoln Mercury Cougar XR-7 - Ford | Whistler Radar | |
| 13 | Lime Rock Park | 1990.09.29 | GTO | Lincoln Mercury Cougar XR-7 - Ford | Whistler Radar | |
| 14 | Del Mar | 1990.11.10 | GTO | Lincoln Mercury Cougar XR-7 - Ford | Whistler Radar |
