The 2003 Porsche Carrera Cup Deutschland season was the 18th German Porsche Carrera Cup season. It began on 26 April at Hockenheim and finished on 4 October at the same circuit, after nine rounds. It ran as a support championship for the 2003 DTM season. Frank Stippler won the championship by 10 points.
| Team | No. | Drivers | Rounds |
|---|---|---|---|
| | 1 | | All |
| 2 | | All | |
| | 3 | | All |
| 4 | | All | |
| | 5 | | All |
| 6 | | All | |
| 24 | | All | |
| 66 | | 5 | |
| | 7 | | 1–6, 8 |
| | 7 | ||
| | 9 | ||
| 8 | | All | |
| | 9 | | All |
| 10 | | All | |
| 16 | | 4, 6, 9 | |
| | 7 | ||
| | 8 | ||
| 20 | | 2–3, 5–7, 9 | |
| | 11 | | All |
| 12 | | All | |
| 26 | | 3–9 | |
| | 14 | | All |
| 15 | | All | |
| 31 | | 9 | |
| | 17 | | 1–5 |
| | 9 | ||
| 18 | | 1–5 | |
| | 6–9 | ||
| 34 | | 9 | |
| | 19 | | All |
| | 21 | | 1–7, 9 |
| 22 | | 5 | |
| | 6 | ||
| | 23 | | 1–3 |
| | 5 | ||
| | 8 | ||
| | 30 | | 2 |
| | 33 | | 6 |
| | 35 | | 8 |
| 36 | | 8 |
| Round | Circuit | Date | Pole position | Fastest lap | Winning driver | Winning team | |
|---|---|---|---|---|---|---|---|
| 1 | | 26 April | | | | | |
| 2 | | 10 May | | | | | |
| 3 | | 24 May | | | | | |
| 4 | | 8 June | | | | | |
| 5 | | 21 June | | | | | |
| 6 | | 16 August | | | | | |
| 7 | | 5 September | | | | | |
| 8 | | 20 September | | | | | |
| 9 | | 4 October | | | | | |