Dave Cowart (GTO)
Lee Mueller (GTU)
Mistrz producentów
Porsche (GTX)
BMW (GTO)
Mazda (GTU)
| Runda | Tor | Data | Klasa | Kierowca | Pojazd | Zespół |
|---|---|---|---|---|---|---|
| 1 | Daytona | 1981.01.31 - 02.01 | GTX | Porsche 935 K3 Turbo | Garretson/Style Auto | |
| GTO | BMW M1 | Bavarian Motors Intl. | ||||
| GTU | Porsche 911SC | Kegel Enterprises | ||||
| 2 | Sebring | 1981.03.21 | GTX | Porsche 935/80 | Bayside Disposal Racing | |
| GTO | Porsche Carrera | Charles Kendall | ||||
| GTU | Mazda RX-7 | Kent Racing | ||||
| 3 | Road Atlanta | 1981.04.12 | GTU | Mazda RX-7 | Kent Racing | |
| 4 | Road Atlanta | 1981.04.12 | GTX | Porsche 935 K4 Turbo |  John Fitzpatrick Racing | |
| GTO | BMW M1 | Red Lobster Racing | ||||
| 5 | Riverside | 1981.04.26 | GTX | Porsche 935 K3/80 | John Fitzpatrick Racing | |
| GTO | BMW M1 | Red Lobster Racing | ||||
| GTU | Datsun ZX | Raytown Datsun | ||||
| 6 | Laguna Seca | 1981.05.03 | GTU | Mazda RX-7 | Kent Racing | |
| 7 | Laguna Seca | 1981.05.03 | GTX | Lola T600 - Chevrolet | Kent-Cooke/Wood Racing | |
| GTO | BMW M1 | Red Lobster Racing | ||||
| 8 | Lime Rock Park | 1981.05.24 | GTU | Mazda RX-7 | Kent Racing | |
| 9 | Lime Rock Park | 1981.05.24 | GTX | Lola T600 - Chevrolet | Kent-Cooke/Wood Racing | |
| GTO | BMW M1 | Red Lobster Racing | ||||
| 10 | Mid-Ohio | 1981.05.31 | GTX | Lola T600 - Chevrolet | Kent-Cooke/Wood Racing | |
| GTO | BMW M1 | Red Lobster Racing | ||||
| GTU | Datsun ZX | Logan Blackburn | ||||
| 11 | Brainerd | 1981.06.14 | GTX | Ford Mustang Turbo | Team Zakspeed Roush | |
| GTO | BMW M1 | Red Lobster Racing | ||||
| GTU | Mazda RX-7 | Kent Racing | ||||
| 12 | Daytona | 1981.07.05 | GTX | Porsche 935 Turbo |  DeNarvaez Enterprises | |
| GTO | BMW M1 | Red Lobster Racing | ||||
| GTU | Datsun 280ZX | Raytown Datsun | ||||
| 13 | Sears Point | 1981.07.26 | GTX | Ford Mustang Turbo | Team Zakspeed Roush | |
| GTO | BMW M1 | Kendall Racing | ||||
| 14 | Sears Point | 1981.07.26 | GTU | Porsche 914/4 | Personalized Autohaus | |
| 15 | Portland | 1981.08.02 | GTU | Mazda RX-7 | Kent Racing | |
| 16 | Portland | 1981.08.02 | GTX | Lola T600 - Chevrolet | Kent-Cooke/Wood Racing | |
| GTO | BMW M1 | Red Lobster Racing | ||||
| 17 |  Mosport Park | 1981.08.16 | GTX | Porsche 935 Turbo | Andial Meister Racing | |
| GTO | BMW M1 | Red Lobster Racing | ||||
| GTU | Mazda RX-7 | Kent Racing | ||||
| 18 | Road America | 1981.08.23 | GTX | Porsche 935 Turbo | Andial Meister Racing | |
| GTO | BMW M1 | Kendall Racing | ||||
| GTU | Mazda RX-7 | Kent Racing | ||||
| 19 | Road Atlanta | 1981.09.13 | GTU | Mazda RX-7 | Kent Racing | |
| 20 | Road Atlanta | 1981.09.13 | GTX | Lola T600 - Chevrolet | Kent-Cooke/Woods Racing | |
| GTO | BMW M1 | Red Lobster Racing | ||||
| 21 | Pocono | 1981.09.27 | GTX | Porsche 935 Turbo | JLP Racing | |
| GTO | BMW M1 | Red Lobster Racing | ||||
| GTU | Mazda RX-7 | Kent Racing | ||||
| 22 | Daytona | 1981.11.29 | GTX | Porsche 935 Turbo | JLP Racing | |
| GTO | BMW M1 | Red Lobster Racing | ||||
| GTU | Mazda RX-7 | Kent Racing |
