| | No. | Class | Team | Drivers | Car |
| 1 | 1 | GT1 | Vitaphone Racing Team | Fabrizio Gollin
Thomas Biagi | Maserati MC12
(+ 25 kg + 40 kg) |
| 2 | 2 | GT1 | Vitaphone Racing Team | Miguel Ramos
Christian Montanari | Maserati MC12
(+25 kg) |
| 3 | 4 | GT1 | PK Carsport | Anthony Kumpen
Bert Longin | Corvette C5-R
(+ 20 kg) |
| 4 | 5 | GT1 | Carsport Holland | Jean-Denis Deletraz
Mike Hezemans | Corvette C6.R
(+ 30 kg) |
| 5 | 7 | GT1 | All-Inkl.com Racing | Stefan Mucke
Christophe Bouchut | Lamborghini Murcielago
(+ 40 kg) |
| 6 | 8 | GT1 | All-Inkl.com Racing | Jos Menten
Peter Kox | Lamborghini Murcielago |
| 7 | 11 | GT1 | Scuderia Playteam Sarafree | Andrea Bertolini
Andrea Piccini | Maserati MC12
(+25 kg) |
| 8 | 12 | GT1 | Scuderia Playteam Sarafree | Giambattista Giannoccaro
Alessandro Pier Guidi | Maserati MC12
(+25 kg) |
| 9 | 15 | GT1 | JMB Racing | Dick Waaijenberg
Peter Kutemann | Maserati MC12 CC
(+25 kg) |
| 10 | 16 | GT1 | JMB Racing | Joe Macari
Ben Aucott | Maserati MC12 CC
(+25 kg) |
| 11 | 18 | GT1 | SRT | Tom Cloet
Gilles Vannelet | Corvette C5-R CC |
| 12 | 21 | GT1 | Kessel Racing | Loris Kessel
Lorenzo Case | Ferrari 575 CC |
| 13 | 22 | GT1 | Aston Martin Racing BMS | Enrico Toccacelo
Ferdinando Monfardini | Aston Martin DBR9 |
| 14 | 23 | GT1 | Aston Martin Racing BMS | Jamie Davies
Fabio Babini | Aston Martin DBR9 |
| 15 | 33 | GT1 | Jetalliance Racing | Karl Wendlinger
Ryan Sharp | Aston Martin DBR9 |
| 16 | 36 | GT1 | Jetalliance Racing | Lukas Lichtner-Hoyer
Robert Lechner | Aston Martin DBR9 |
| 17 | 50 | GT2 | AF Corse Motorola | Toni Vilander
Dirk Muller | Ferrari F430 GTC
(+ 28 + 40 kg) |
| 18 | 51 | GT2 | AF Corse Motorola | Gianmaria Bruni
Stephane Ortelli | Ferrari F430 GTC
(+ 28 + 15 kg) |
| 19 | 52 | GT2 | Edil Cris | Paolo Ruberti
Massimiliano Mugelli | Ferrari F430 GTC
(+ 15 kg) |
| 20 | 53 | GT2 | Edil Cris | Matteo Cressoni
Michele Rugolo | Ferrari F430 GTC
(+28 kg + 10 kg) |
| 21 | 62 | GT2 | Scuderia Ecosse | Andrew Kirkaldy
Tim Mullen | Ferrari F430 GTC
(+ 28 kg) |
| 22 | 63 | GT2 | Scuderia Ecosse | Chris Niarchos
Jarek Janis | Ferrari F430 GTC |
| 23 | 66 | GT2 | Team Felbermayr-Proton | Horst Felbermayr Jr.
Marc Lieb | Porsche 996 GT3-RSR |
| 24 | 69 | GT2 | Team Felbermayr-Proton | Horst Felbermayr Sr.
Gerold Ried | Porsche 997 GT3-RSR |
| 25 | 74 | GT2 | Ebimotors | Marcello Zani
Emanuele Busnelli | Porsche 997 GT3-RSR |
| 26 | 97 | GT2 | BMS Scuderia Italia | Emmanuel Collard
Matteo Malucelli | Porsche 997 GT3-RSR
(+ 28 kg) |
| 27 | 99 | GT2 | Tech 9 Motorsport | Sean Edwards
Leo Machitski | Porsche 997 GT3-RSR |
| 28 | 101 | G2 | Belgian Racing | Bas Leinders
Renaud Kuppens | Gillet Vertigo |
