The 2003 World Series Lights season was contested over eight race weekends with 16 races. In this one-make formula all drivers had to use the new Dallara chassis (Light 01/WSL3) and Nissan engines (Nissan AER). Six different teams and sixteen drivers competed with the titles going to Argentinian driver Juan Cruz Álvarez and Spanish team Meycom.
All teams used the Dallara WSL3 chassis and Nissan AER engines.[1]
| Team | Driver | Rounds | ||
|---|---|---|---|---|
 Meycom | 1 | Celso Míguez | All | |
| 2 | nowrap |  Juan Cruz Álvarez | All | |
| Escuela Lois Circuit | 3 | Adrián Vallés | All | |
| 4 | Álvaro Barba | All | ||
 Vergani Racing | 5 |  Matthias Lauda | All | |
| 6 |  Pablo Donoso | 1-7 | ||
| Paul Meijer | 8 | |||
| 12 |  Milka Duno | All | ||
 Epsilon by Graff | 7 | Julien Vidot | All | |
| 8 | Miloš Pavlović | All | ||
| RC Motorsport | 9 |  Wagner Ebrahim | 1 | |
| Bastien Brière | 4-5 | |||
| Sergio Hernández | 7-8 | |||
| 10 | Matteo Pellegrino | All | ||
| 11 |  Ananda Mikola | All | ||
 Szasz Motorsport | 14 |  Chanoch Nissany | 1–2, 4, 6-8 | |
| Sources:[2] | ||||
For every race the points were awarded: 15 points to the winner, 12 for runner-up, 10 for third place, 8 for fourth place, 6 for fifth place, winding down to 1 point for 10th place. Lower placed drivers did not award points. Additional points were awarded to the driver setting the fastest race lap (2 points).[4]
| Driver | MNZ | LAU | MAG | A1R | CAT | VAL | ALB | JAR | Points | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Ret | 5 | 2 | 6 | 2 | 1 | 6 | 3 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 244 | |||
| 2 | Julien Vidot | 2 | 13 | Ret | Ret | 1 | 4 | 1 | 1 | 1 | 8 | Ret | Ret | 3 | 3 | 2 | 2 | 170 | ||
| 3 | Miloš Pavlović | Ret | 4 | Ret | 3 | 3 | 3 | 9 | 4 | 2 | 2 | 4 | 2 | 5 | 4 | 5 | Ret | 145 | ||
| 4 | Adrián Vallés | 1 | 1 | 1 | 2 | 6 | Ret | 13 | 6 | 7 | 4 | Ret | Ret | 8 | 5 | 7 | 6 | 126 | ||
| 5 | Celso Míguez | Ret | 6 | 4 | 4 | 7 | 2 | 7 | 5 | 4 | 3 | Ret | 8 | 2 | 2 | Ret | Ret | 112 | ||
| 6 | Matteo Pellegrino | 6 | 8 | 3 | 5 | 4 | Ret | 4 | 8 | 8 | 7 | 3 | 3 | 4 | 8 | Ret | 8 | 99 | ||
| 7 | Ananda Mikola | 5 | 7 | Ret | 8 | Ret | 5 | 5 | 2 | 6 | 5 | Ret | 6 | 10 | 10 | 3 | 4 | 92 | ||
| 8 | Matthias Lauda | 4 | 3 | 5 | 7 | 5 | 7 | 3 | Ret | Ret | 10 | Ret | 5 | 9 | 9 | 6 | 5 | 85 | ||
| 9 | Pablo Donoso | 7 | 10 | Ret | 1 | Ret | 6 | 2 | Ret | 5 | 9 | 2 | 7 | 7 | 7 | 83 | ||||
| 10 | Álvaro Barba | 3 | 2 | Ret | 10 | 8 | 8 | 8 | 7 | Ret | DNS | Ret | 4 | 11 | 6 | Ret | 9 | 63 | ||
| 11 | Milka Duno | 9 | 11 | 6 | 9 | 9 | 9 | 11 | Ret | 10 | 11 | 5 | 9 | 12 | 11 | 9 | 10 | 28 | ||
| 12 | Paul Meijer | 4 | 3 | 22 | ||||||||||||||||
| 13 | Sergio Hernández | 6 | Ret | 8 | 7 | 13 | ||||||||||||||
| 14 | Chanoch Nissany | 10 | 12 | 7 | 11 | 10 | 9 | Ret | 10 | 13 | 12 | Ret | 11 | 9 | ||||||
| 15 | Bastien Brière | 12 | Ret | 9 | 6 | 8 | ||||||||||||||
| 16 | Wagner Ebrahim | 8 | 9 | 5 | ||||||||||||||||
| Source: | ||||||||||||||||||||