| | No. | Class | Team | Drivers | Car |
| 1 | 1 | GT1 | Vitaphone Racing Team | Michael Bartels
Andrea Bertolini | Maserati MC12
|
| 2 | 2 | GT1 | Vitaphone Racing Team | Miguel Ramos
Alexandre Negrao | Maserati MC12
|
| 3 | 3 | GT1 | Selleslagh Racing Team | Christophe Bouchut
Xavier Maassen | Corvette C6.R |
| 4 | 4 | GT1 | PekaRacing nv | Anthony Kumpen
Bert Longin | Saleen S7R |
| 5 | 5 | GT1 | Phoenix Racing | Jean-Denis Deletraz
Marcel Fassler | Corvette C6.R
|
| 6 | 6 | GT1 | Phoenix Racing | Mike Hezemans
Fabrizio Gollin | Corvette C6.R
|
| 7 | 7 | GT1 | Larbre Competition | Vincent Vosse
Grag Franchi | Saleen S7R |
| 8 | 8 | GT1 | IPB Spartak Reiter Engineering | Peter Kox
Roman Rusinov | Lamborghini Murcielago |
| 9 | 10 | GT1 | Gigawave Motorsport | Allan Simonsen
Philipp Peter | Aston Martin DBR9 |
| 10 | 12 | GT1 | AT Racing | Wolfgang Kaufmann
Aliaksandr Talkanitsa | Corvette C5-R |
| 11 | 13 | GT1 | Team Rbimmo / B-Racing | Jos Menten
Andrea Piccini | Saleen S7R |
| 12 | 15 | GT1 | JMB Racing | Ben Aucott
Peter Kutemann | Maserati MC12
|
| 13 | 33 | GT1 | Jetalliance Racing | Karl Wendlinger
Ryan Sharp | Aston Martin DBR9 |
| 14 | 36 | GT1 | Jetalliance Racing | Lukas Lichtner-Hoyer
Alex Muller | Aston Martin DBR9 |
| 15 | 37 | GT1 | ACA Argentina | Esteban Tuero
Jose Maria Lopez | Ferrari 550 Maranello |
| 16 | 101 | G2 | Belgian Racing | Bas Leinders
Renaud Kuppens | Gillet Vertigo |
| 17 | 103 | G2 | Go To One | Adam Lacko
Ales Jirasek | Mosler MT900 |
| 18 | 104 | G2 | Go To One | Kenneth Heyer
Stepan Vojtech | Mosler MT900 |
| 19 | 111 | G2 | ARC Bratislava | Miro Konopka
TBA | Saleen S7R |
| 20 | 50 | GT2 | AF Corse Motorola | Toni Vilander
Gianmaria Bruni | Ferrari F430 GTC
|
| 21 | 51 | GT2 | AF Corse Motorola | Thomas Biagi
Christian Montanari | Ferrari F430 GTC
|
| 22 | 55 | GT2 | CR Scuderia | Chris Niarchos
Tim Mullen | Ferrari F430 GTC
|
| 23 | 56 | GT2 | CR Scuderia | Andrew Kirkaldy
Rob Bell | Ferrari F430 GTC
|
| 24 | 57 | GT2
| Kessel Racing | Henri Moser
Fabrizio Del Monte | Ferrari F430 GTC
|
| 25 | 59 | GT2 | Trackspeed Racing | David Ashburn
Richard Williams | Porsche 997 GT3 RSR |
| 26 | 60 | GT2 | ProSpeed Competition | Mikael Forsten
Markus Palttala | Porsche 997 GT3-RSR |
| 27 | 61 | GT2 | ProSpeed Competition | Emmanuel Collard
Richard Westbrook | Porsche 997 GT3-RSR
|
| 28 | 62 | GT2 | Scuderia Ecosse | Jamie Davies
Fabio Babini | Ferrari F430 GTC
|
| 29 | 77 | GT2 | BMS Scuderia Italia | Matteo Malucelli
Paolo Ruberti | Ferrari F430 GTC
|
| 30 | 78 | GT2 | BMS Scuderia Italia | Joel Camathias
Davide Rigon | Ferrari F430 GTC
|
| 31 | 95 | GT2 | Advanced Engineering Pecom Racing Team | Matias Russo
Luis Perez Companc | Ferrari F430 GTC
|
