The 2003 Fórmula Truck season was the 8th Fórmula Truck season. It began on March 16 at Goiânia and ended on December 7 at Curitiba.
All races were held in Brazil.
| Round | Circuit | Date[1] | Winning Driver | Winning Manufacturer | |
|---|---|---|---|---|---|
| 1 | Autódromo Internacional Ayrton Senna, Goiânia | March 16 | Djalma Fogaça | Ford | |
| 2 | Autódromo Internacional de Guaporé | April 13 | Djalma Fogaça | Ford | |
| 3 | Autódromo Internacional de Cascavel | May 18 | Djalma Fogaça | Ford | |
| 4 | Autódromo Internacional Nelson Piquet, Brasília | June 22 | Wellington Cirino | Mercedes-Benz | |
| 5 | Autódromo Internacional Ayrton Senna, Londrina | July 27 | Wellington Cirino | Mercedes-Benz | |
| 6 | Autódromo Internacional Orlando Moura | August 24 | Wellington Cirino | Mercedes-Benz | |
| 7 | Autódromo José Carlos Pace | October 5 | Wellington Cirino | Mercedes-Benz | |
| 8 | Autódromo Internacional de Tarumã | November 9 | Wellington Cirino | Mercedes-Benz | |
| 9 | Autódromo Internacional de Curitiba | December 7 | Viginaldo Fizio | Mercedes-Benz |