2004 Rolex Sports Car Series
The 2004 Rolex Sports Car Series season was the fifth season of the Rolex Sports Car Series run by the Grand American Road Racing Association. The season involved three classes, Daytona Prototypes, Grand Touring, and Super Grand Sport. Twelve races were run from January 31, 2004, to October 31, 2004.
Schedule
| Rnd | Race | Length/Duration | Circuit | Date |
| 1 | Rolex 24 at Daytona | 24 Hours | Daytona International Speedway | January 31 February 1 |
| 2 | Grand Prix of Miami | 250 Miles | Homestead-Miami Speedway | February 28 |
| 3 | Phoenix 250 | 250 Miles | Phoenix International Raceway | April 10 |
| 4 | 6 Hours of Mont-Tremblant | 6 Hours | Circuit Mont-Tremblant | May 23 |
| 5 | Sahlen's Six Hours of the Glen | 6 Hours | Watkins Glen International | June 20 |
| 6 | Paul Revere 250 | 250 Miles | Daytona International Speedway | July 1 |
| 7 | EMCO Gears Mid-Ohio Road Racing Classic | 250 Miles | Mid-Ohio Sports Car Course | August 7 |
| 8 | Sahlen's 200 at the Glen | 200 Miles | Watkins Glen International | August 13 |
| 9 | Homestead-Miami 250 | 250 Miles | Homestead-Miami Speedway | September 19 |
| 10 | VIR 400 | 400 km | Virginia International Raceway | October 3 |
| 11 | Porsche 250 | 250 Miles | Barber Motorsports Park | October 10 |
| 12 | Lexus Grand American 400 | 400 km | California Speedway | October 31 |
Results
Overall winners in bold.| Rnd | Circuit | DP Winning Teams | GT Winning Teams | SGS Winning Teams |
| Rnd | Circuit | DP Winning Drivers | GT Winning Drivers | SGS Winning Drivers |
| 1 | Daytona | ''' Championship standingsSource: |