| DRIVER SELECTION 2003 | ||||||
| Drivers | Team | Chassis | Engine | YTD Points | ||
| GROUP 1 | ||||||
| Junqueira | Newman/Haas | Lola | Ford | 538 | ||
| Carpentier | Players Racing | Lola | Ford | 484 | ||
| Manning | Walker Racing | Reynard | Ford | 433 | ||
| GROUP 2 | ||||||
| Tagliani | RocketSports | Lola | Ford | 406 | ||
| Jourdain Jr. | Rahal Racing | Lola | Ford | 547 | ||
| Bourdais | NewmanHaus | Lola | Ford | 468 | ||
| GROUP 3 | ||||||
| Tracy | Player's Racing | Lola | Ford | 561 | ||
| Vasser | American Spirit | Reynard | Ford | 374 | ||
| Lavin | Walker Racing | Lola | Ford | 265 | ||
| GROUP 4 | ||||||
| Fernandez | Fernandez Racing | Lola | Ford | 434 | ||
| Dominguez | Herdez Competion | Lola | Ford | 444 | ||
| Servia | Patrick Racing | Lola | Ford | 405 | ||
| GROUP 5 | ||||||
| Moreno | Herdez Competition | Lola | Ford | 339 | ||
| Hunter-Reay | American Spirit | Reynard | Ford | 353 | ||
| Boss | Dale Coyne Racing | Lola | Ford | 181 | ||
| Diaz | Herdez Competition | Lola | Ford | 10 | ||
| Camathias | Dale Coyne Racing | Lola | Ford | 114 | ||
| GROUP 6 | ||||||
| Gonzalez | Dale Coyne Racing | Lola | Ford | 32 | ||
| Haberfeld | Mi Jack Conquest | Reynard | Ford | 378 | ||
| Herta | PKRacing | Lola | Ford | 18 | ||
| Lemaire | PKRacing | Lola | Ford | 95 | ||
| Monteiro | Fittipaldi Dingman | Reynard | Ford | 283 | ||
| Papis | PKRacing | Lola | Ford | 142 | ||
| Salles | Dale Coyne Racing | Lola | Ford | 150 | ||
| Salo | PKRacing | Lola | Ford | 98 | ||
| Sperafico | Dale Coyne Racing | Lola | Ford | 26 | ||
| Yoong | Dale Coyne Racing | Lola | Ford | 55 | ||