Equipes et pilotes 2004
 Arden International | ||
 | Chassis: Lola B02/50 Moteur: Judd Pneus: Avon | #1  Vitantonio LIUZZI#2  Robert DOORNBOS |
| CMS Performance | ||
 | #3  José-Maria LOPEZ#4  Mathias LAUDA | |
| Durango | ||
 | Chassis: Lola B02/50 Moteur: Judd Pneus: Avon | #5 Michele RUGOLO #5 Matteo MENEGHELLO#5  Yannick SCHROEDER#6  Ernesto VISO#6  Rodrigo RIBEIRO |
| Coloni Motorsport | ||
 | Chassis: Lola B02/50 Moteur: Judd Pneus: Avon | #7  Jeffrey VAN HOOYDONK#7 Patrick FRIESACHER#8  Chanoch NISSANY#8  Can ARTAM |
| Super Nova Racing | ||
 | Chassis: Lola B02/50 Moteur: Judd Pneus: Avon | #9  Alan VAN DER MERWE#9 Patrick FRIESACHER#9 Jeffrey VAN HOOYDONK#10 Can ARTAM |
| Team Astromega | ||
 | #11 Raffaele GIAMMARIA #11 Nico VERDONCK#12 Olivier TIELEMANS#12 Jan HEYLEN | |
 BCN F3000 | ||
 | Chassis: Lola B02/50 Moteur: Judd Pneus: Avon | #14 Enrico TOCCACELO #15 Esteban GUERRIERI |
 Ma-con Engineering | ||
 | #16  Tomas ENGE#17 Tony SCHMIDT | |
| AEZ Racing | ||
 | #18 Matteo GRASSOTTO #18 Raffaele GIAMMARIA#19 Ferdinando MONFARDINI | |