 Teams
Starterliste DTM 2003 |
 |
| Nr | Team | Fahrer | Nat. | Fahrzeug |
| 1 | Abt Sportsline | Laurent Aiello | F | Abt Audi TT-R |
| 2 | Abt Sportsline | Christian Abt | D | Abt Audi TT-R |
| 3 | AMG Mercedes | Bernd Schneider | D | Mercedes-Benz CLK |
| 4 | AMG Mercedes | Jean Alesi | F | Mercedes-Benz CLK |
| 5 | Redbull Sony Playstation Abt-Audi | Martin Ekström | S | Abt Audi TT-R |
| 6 | Redbull Sony Playstation Abt-Audi | Karl Wendlinger | A | Abt Audi TT-R |
| 7 | OPC Team Holzer | Manuel Reuter | D | Opel Astra V8 Coupé |
| 8 | OPC Team Holzer | Alain Menu | D | Opel Astra V8 Coupé |
| 9 | Team AMG Mercedes | Christijan Albers | NL | Mercedes-Benz CLK |
| 10 | Team AMG Mercedes | Marcel Fässler | CH | Mercedes-Benz CLK |
| 11 | Team AMG Mercedes | Thomas Jäger | D | Mercedes-Benz CLK |
| 12 | Team Originalteile AMG Mercedes | Bernd Mayländer | S | Abt Audi TT-R |
| 14 | S Line Audi Junior Team | Martin Tomczyk | S | Abt Audi TT-R |
| 15 | S Line Audi Junior Team | Peter Terting | D | Abt Audi TT-R |
| 16 | OPC Euroteam | Joachim Winkelhock | D | Opel Astra V8 Coupé |
| 17 | OPC Euroteam | Jeroen Bleekemol | NL | Opel Astra V8 Coupé |
| 18 | OPC Team Phoenix | Timo Scheider | D | Opel Astra V8 Coupé |
| 19 | OPC Team Phoenix | Peter Dumbreck | D | Opel Astra V8 Coupé |
| 24 | Team Service 24h AMG Mercedes | Stefan Mücke | D | Mercedes-Benz CLK |
| 42 | AMG Team Rosberg | Patrik Huisman | CH | Mercedes-Benz CLK |
| 99 | Team Service 24h AMG Mercedes | Katsutomo Kaneishi | J | Mercedes-Benz CLK |
