| 1 |
 Lewis Hamilton |
1 Jul 1985 |
 ASM |
Dallara F305 - AMG Mercedes |
KU | 1 |  |
| 2 |
 Adrian Sutil |
11 Jan 1983 |
ASM |
Dallara F305 - AMG Mercedes |
KU | 1 |  |
| 3 |
 Marko Asmer |
30 Jul 1984 |
Hitech Racing |
Dallara F305 - Mugen Honda |
KU | 1 | |
| 4 |
 Alvaro Barba Lopez |
17 Feb 1984 |
Hitech Racing |
Dallara F305 - Mugen Honda |
KU | 1 | |
| 5 |
 Ferdinand Kool |
24 Apr 1981 |
 JB Motorsport |
Lola B05/30 - Mugen Honda |
KU | 1 | |
| 6 |
 Ho-Pin Tung |
4 Dec 1982 |
JB Motorsport |
Dallara F305 - Mugen Honda |
KU | 1 | |
| 7 |
Steven Kane |
5 Jun 1980 |
JB Motorsport |
Lola B05/30 - Mugen Honda |
KU | 0 | |
| 8 |
Mike Conway |
19 Aug 1983 |
Fortec Motorsport |
Dallara F305 - Spiess Opel |
KU | 1 | |
| 9 |
James Walker |
25 Aug 1983 |
Fortec Motorsport |
Dallara F305 - Spiess Opel |
KU | 1 | |
| 11 |
 Ronayne O'Mahony |
28 May 1985 |
Fortec Motorsport |
Dallara F305 - Spiess Opel |
KU | 1 | |
| 12 |
James Rossiter |
25 Aug 1983 |
Signature |
Dallara F305 - Spiess Opel |
KU | 1 |  |
| 14 |
Guillaume Moreau |
8 Mar 1983 |
Signature |
Dallara F305 - Spiess Opel |
KU | 1 | |
| 15 |
Loic Duval |
12 Jun 1982 |
Signature |
Dallara F305 - Spiess Opel |
KU | 1 |  |
| 17 |
 Fabio Carbone |
4 Sep 1980 |
Signature |
SLC R1 - Spiess Opel |
KU | 0 | |
| 18 |
 Esteban Guerrieri |
19 Jan 1985 |
Team Kolles |
Dallara F305 - TOM's Toyota |
KU | 1 | |
| 19 |
Nico Verdonck |
5 Dec 1985 |
Team Kolles |
Dallara F305 - TOM's Toyota |
KU | 1 |  |
| 20 |
 Alvaro Parente |
4 Oct 1984 |
Carlin Motorsport |
Dallara F305 - Mugen Honda |
KU | 1 | |
| 21 |
 Christian Bakkerud |
3 Nov 1984 |
Carlin Motorsport |
Dallara F305 - Mugen Honda |
KU | 1 | |
| 22 |
 Keiko Ihara |
4 Jul 1973 |
Carlin Motorsport |
Dallara F305 - Mugen Honda |
KU | 1 | |
| 23 |
 Charlie Kimball |
20 Feb 1985 |
Carlin Motorsport |
Dallara F305 - Mugen Honda |
KU | 1 | |
| 24 |
Lucas di Grassi |
11 Aug 1984 |
Manor Motorsport |
Dallara F305 - AMG Mercedes |
KU | 1 | |
| 25 |
Paul di Resta |
16 Apr 1986 |
Manor Motorsport |
Dallara F305 - AMG Mercedes |
KU | 1 | |
| 26 |
Giedo van der Garde |
25 Apr 1985 |
Team Rosberg |
Dallara F305 - Spiess Opel |
KU | 1 | |
| 27 |
Kohei Hirate |
24 Mar 1986 |
Team Rosberg |
Dallara F305 - Spiess Opel |
KU | 1 |  |
| 28 |
Maximilian Götz |
4 Feb 1986 |
 HBR Motorsport |
Dallara F305 - Spiess Opel |
KU | 0 | |
| 29 |
Hannes Neuhauser |
29 Nov 1984 |
HBR Motorsport |
Dallara F305 - Spiess Opel |
KU | 1 | |
| 30 |
Alejandro Nunez |
25 Feb 1984 |
HBR Motorsport |
Dallara F305 - Spiess Opel |
KU | 1 | |
| 32 |
Bruno Senna |
15 Oct 1983 |
Räikkönen Robertson Racing |
Dallara F305 - Mugen Honda |
KU | 1 | |
| 33 |
Daniel Clarke |
4 Oct 1983 |
Räikkönen Robertson Racing |
Dallara F305 - Mugen Honda |
KU | 1 | |
| 34 |
Sebastian Vettel |
3 Jul 1987 |
Mücke Motorsport |
Dallara F305 - AMG Mercedes |
KU | 1 | |
| 35 |
Atila Abreu |
10 May 1987 |
Mücke Motorsport |
Dallara F305 - AMG Mercedes |
KU | 1 | |
| 37 |
Ross Zwolsman |
3 Aug 1982 |
RZ Racing |
Dallara F305 - Spiess Opel |
KU | 1 | |
| 38 |
Franck Perera |
21 Mar 1984 |
 Prema Powerteam |
Dallara F305 - Spiess Opel |
KU | 1 | |
| 39 |
Marco Bonanomi |
12 Mar 1985 |
Prema Powerteam |
Dallara F305 - Spiess Opel |
KU | 1 | |
| 40 |
Gregory Franchi |
6 Apr 1982 |
Prema Powerteam |
Dallara F305 - Spiess Opel |
KU | 1 | |
| 41 |
Stephen Jelley |
12 May 1982 |
Menu Motorsport |
Dallara F305 - Spiess Opel |
KU | 1 | |
| 42 |
Ryan Lewis |
21 Apr 1984 |
T-Sport |
Dallara F305 - Mugen Honda |
KU | 1 | |
| 43 |
Thomas Holzer |
27 Dec 1985 |
Holzer Rennsport |
Dallara F305 - Spiess Opel |
KU | 1 |  |
