| Team |
Chassis |
Engine |
No. |
Driver |
Rounds |
| Open Class |
| Top Speed |
Toro Rosso STR1 |
Cosworth TJ2005 3.0 L V10 |
1 |
Ingo Gerstl |
All |
| 2 |
Markus Lehmann |
7 |
| Penn Elcom Racing |
Benetton B197 |
Judd GV 4.0 L V10 |
7 |
Phil Stratford |
All |
| Mansell Motorsport |
Dallara GP2/08 Evo |
Judd GV 4.0 L V10 |
11 |
Rinus van Kalmthout |
3 |
| H&A Racing |
Arrows A22 |
Asiatech 001 3.0 L V10 |
21 |
Bernd Herndlhofer |
1 |
| Speed Center |
Forti FG03 |
Judd DB 4.0 L V10 |
22 |
Hans Laub |
3–4, 7 |
| F Xtreme Racing Team |
Super Aguri SA06 |
Cosworth TJ2005 3.0 L V10 |
26 |
Wolfgang Jaksch |
1, 3–6 |
| Formula Class |
| Top Speed |
Dallara GP2/08 |
Mecachrome V8108 4.0 L V8 |
100 |
Thomas Jakoubek |
1–4, 6–7 |
| 121 |
Reinhard Kofler |
2 |
| 181 |
Manfred Loach |
1 |
| 221 |
Bernd Herndlhofer |
4, 6 |
| 888 |
Florian Schnitzenbaumer |
All |
| Dallara GP2/05 |
110 |
Bianca Steiner |
1–2, 4 |
| Speed Center |
Dallara GP2/08 |
Mecachrome V8108 4.0 L V8 |
101 |
Peter Göllner |
1–2, 4–7 |
| 515 |
Alain Valente |
2, 7 |
| 555 |
Christian Eicke |
All |
| 565 |
Hans Laub |
2 |
| 666 |
Roy Glaser |
4–5 |
| Dallara T08 |
Renault V4Y 3.5 L V6 |
212 |
John Reaks |
1 |
| H&A Racing |
Dallara GP2/05 |
Mecachrome V8108 4.0 L V8 |
105 |
Wolfgang Jordan |
3–4 |
| 222 |
Veronika Cicha |
1, 3–6 |
| Ray-Ban |
Dallara T08 |
Renault V4Y 3.5 L V6 |
111 |
'Piter' |
1, 3–4 |
| ZIG-ZAG Motorsport Service |
Lola B05/52 |
Zytek KV 3.0 L V8 |
116 |
Nicolas Matile |
6 |
| Dallara GP2/08 |
Mecachrome V8108 4.0 L V8 |
129 |
Marc Faggionato |
6 |
| Team Griffith's |
Dallara GP2/05 |
Mecachrome V8108 4.0 L V8 |
150 |
David Moretti |
3 |
| MRC Sport |
Dallara GP2/11 |
Mecachrome V8108 4.0 L V8 |
217 |
Marco Ghiotto |
3, 7 |
| Fiedler Racing |
Dallara GP2/05 |
Mecachrome V8108 4.0 L V8 |
321 |
Andreas Fiedler |
1–3, 5–7 |
| MM International Motorsport |
Dallara GP2/11 |
Mecachrome V8108 4.0 L V8 |
323 |
Armando Mangini |
1–4, 6–7 |
| Dallara GP2/05 |
122 |
Sergio Ghiotto |
7 |
| 324 |
Gianluca Ripoli |
4, 7 |
| 999 |
Salvatore de Plano |
1, 6–7 |
| Becker Motorsport |
Dallara SN01 |
AER P57 3.4 L V6 |
411 |
Karl-Heinz Becker |
1–4 |
| Kindler Motorsport |
Dallara SN01 |
AER P57 3.4 L V6 |
430 |
Martin Kindler |
1 |
| Team Ledermair Motorsport |
Dallara GP2/08 |
Mecachrome V8108 4.0 L V8 |
444 |
Johann Ledermair |
2, 4 |
| Inter Europol Competition |
Dallara GP2/05 |
Mecachrome V8108 4.0 L V8 |
505 |
Walter Steding |
All |