The 2003 season was the second and final season of MasterCard Truck Series. César Tiberio Jiménez was proclamed champion. This series was remplaced by Desafío Corona the next year.
| Round | Date | Race | Venue | Winner |
|---|---|---|---|---|
| 1 | Abril 26 | Guadalajara | Trióvalo Bernardo Obregón | Oscar Ruiz |
| 2 | July 12 | Monterrey | Autódromo Monterrey | Jorge Goeters |
| 3 | July 13 | Monterrey | Autódromo Monterrey | Jorge Goeters |
| 4 | Agosto 16 | México | Estadio Azteca | Jorge Goeters |
| 5 | Agosto 17 | México | Estadio Azteca | Jorge Goeters |
| 6 | September 27 | Guadalajara | Trióvalo Bernardo Obregón | Gianfranco Cané |
| 7 | September 28 | Guadalajara | Trióvalo Bernardo Obregón | Gianfranco Cané |
| 8 | October 18 | Monterrey | Autódromo Monterrey | Jorge Goeters |
| 9 | October 19 | Monterrey | Autódromo Monterrey | César T. Jiménez |
| 10 | November 7 | San Antonio | San Antonio Speedway | Héctor Rached |
| 11 | November 8 | San Antonio | San Antonio Speedway | Jorge Goeters |
| 12 | December 6 | México | Autódromo Hermanos Rodríguez | Cesar T. Jiménez |
| 13 | December 7 | México | Autódromo Hermanos Rodríguez | Cesar T. Jiménez |
| Rank | Driver | Points |
|---|---|---|
| 1 | César Tiberio Jiménez | 1617 |
| 2 | Gianfranco Cané | 1588 |
| 3 | Jonathan Manautou | 1504 |
| 4 | Jorge Goeters | 1445 |
| 5 | Javier de la Parra | 1417 |
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