The 1985 Bendix Brake Trans-Am Racing Series was the twentieth running of the Sports Car Club of America's premier series. Buick, despite having notable success in 1985, would never see another Trans Am victory.
| Round | Date | Circuit | Winning driver | Winning vehicle |
|---|---|---|---|---|
| 1 | 21 April | Firebird | | Mercury Capri |
| 2 | 2 June | Sears Point | | Mercury Capri |
| 3 | 15 June | Portland | | Mercury Capri |
| 4 | 22 June | Detroit | | Buick Somerset |
| 5 | 7 July | Summit Point | | Mercury Capri |
| 6 | 14 July | Mid-Ohio | | Mercury Capri |
| 7 | 21 July | Brainerd | | Mercury Capri |
| 8 | 4 August | Road America | | Mercury Capri |
| 9 | 10 August | Lime Rock | | Porsche Carrera |
| 10 | 25 August | Watkins Glen | | Mercury Capri |
| 11 | 1 September | Trois-Rivières | | Mercury Capri |
| 12 | 8 September | Mosport | | Mercury Capri |
| 13 | 15 September | St. Louis | | Mercury Capri |
| NP | 28 September | Sears Point (Non-points special) | | Mercury Capri |
| 14 | 29 September | Sears Point | | Buick Somerset |
| 15 | 3 November | St. Petersburg | | Mercury Capri |
| Pos | Driver | Points |
|---|---|---|
| 1 | | 228 |
| 2 | | 212 |
| 3 | | 170 |
| 4 | | 123 |
| 5 | | 101 |
| 6 | | 93 |
| 7 | | 79 |
| 8 | | 70 |
| 9 | | 69 |
| 10 | | 56 |