1971 IMSA GT Championship
The 1971 IMSA GT Series season was the inaugural season of the IMSA GT Championship auto racing series. It was for Grand Tourer-style racing cars which ran in the GTO and GTU classes, as well as former Trans Am Series cars in the TO and TU classes. It began April 18, 1971, and ended November 21, 1971, after six rounds.
Schedule
| Rnd | Race | Length | Circuit | Date |
| 1 | Danville 300 | Virginia International Raceway | April 18 | |
| 2 | Carter Hall GT | Alabama International Motor Speedway | May 15 | |
| 3 | Piedmont 3 Hour | 3 Hours | Charlotte Motor Speedway | May 23 |
| 4 | Bridgehampton [Sports Car Races|Bridgehampton 3 Hours] | 3 Hours | Bridgehampton Race Circuit | June 27 |
| 5 | Summit Point 250 | Summit Point [Motorsports Park|Summit Point Raceway] | September 19 | |
| 6 | 200 Miles of Daytona Beach | Daytona International Speedway | November 21 |
Season results
Overall winner in bold.| Rnd | Circuit | GTO Winning Team | GTU Winning Team | TO Winning Team | TU Winning Team | Results |
| Rnd | Circuit | GTO Winning Drivers | GTU Winning Drivers | TO Winning Drivers | TU Winning Drivers | Results |
| 1 | Virginia | #57 Corvette | #59 Brumos Porsche-Audi | #21 Javelin | #71 Opel AG|Opel] | Results |
| 1 | Virginia |  Constructors' ChampionshipPoints are awarded to the top six in each class in the order of 9-6-4-3-2-1.TU standings |