The 2004 FIA GT Magny-Cours 500 km was the third round the 2004 FIA GT Championship season. It took place at the Circuit de Nevers Magny-Cours, France, on 2 May 2004.
Class winners in bold. Cars failing to complete 70% of winner's distance marked as Not Classified (NC).
| Pos | Class | No | Team | Drivers | Chassis | Tyre | Laps |
|---|---|---|---|---|---|---|---|
| Engine | |||||||
| 1 | GT | 5 |  Vitaphone Racing Team Konrad Motorsport | Michael Bartels Uwe Alzen | Saleen S7-R | 105 | |
| Ford 7.0L V8 | |||||||
| 2 | GT | 17 |  JMB Racing |  Karl Wendlinger Toto Wolff Robert Lechner | Ferrari 575-GTC Maranello | 105 | |
| Ferrari 6.0L V12 | |||||||
| 3 | GT | 2 |  BMS Scuderia Italia | Fabrizio Gollin Luca Cappellari | Ferrari 550-GTS Maranello | 105 | |
| Ferrari 5.9L V12 | |||||||
| 4 | GT | 1 | BMS Scuderia Italia | Matteo Bobbi Gabriele Gardel | Ferrari 550-GTS Maranello | 105 | |
| Ferrari 5.9L V12 | |||||||
| 5 | GT | 4 | Konrad Motorsport | Franz Konrad Walter Lechner Jr. Toni Seiler | Saleen S7-R | 105 | |
| Ford 7.0L V8 | |||||||
| 6 | GT | 11 | G.P.C. Giesse Squadra Corse | Philipp Peter Fabio Babini | Ferrari 575-GTC Maranello | 104 | |
| Ferrari 6.0L V12 | |||||||
| 7 | GT | 27 |  Creation Autosportif | Jamie Campbell-Walter Jamie Derbyshire | Lister Storm | 103 | |
| Jaguar 7.0L V12 | |||||||
| 8 | N-GT | 99 | Freisinger Motorsport | Sascha Maassen Lucas Luhr | Porsche 911 GT3-RSR | 103 | |
| Porsche 3.6L Flat-6 | |||||||
| 9 | N-GT | 50 | Yukos Freisinger Motorsport |  Emmanuel Collard Stéphane Ortelli | Porsche 911 GT3-RSR | 102 | |
| Porsche 3.6L Flat-6 | |||||||
| 10 | GT | 10 |  Zwaans GTR Racing Team | Christophe Bouchut Henrik Roos Arjan van der Zwaan | Chrysler Viper GTS-R | 101 | |
| Chrysler 8.0L V10 | |||||||
| 11 | GT | 9 | Zwaans GTR Racing Team | Klaus Abbelen Rob van der Zwaan | Chrysler Viper GTS-R | 101 | |
| Chrysler 8.0L V10 | |||||||
| 12 | GT | 8 | Ray Mallock Ltd. | Chris Goodwin Miguel Ramos | Saleen S7-R | 101 | |
| Ford 7.0L V8 | |||||||
| 13 | GT | 19 | JMB | Stéphane Daoudi Antoine Gosse Peter Kutemann | Ferrari 575-GTC Maranello | 100 | |
| Ferrari 6.0L V12 | |||||||
| 14 | N-GT | 77 | Yukos Freisinger Motorsport |  Nikolai Fomenko Alexey Vasilyev | Porsche 911 GT3-RSR | 98 | |
| Porsche 3.6L Flat-6 | |||||||
| 15 | GT | 22 | Wieth Racing | Wolfgang Kaufmann Vittorio Zoboli | Ferrari 550 Maranello | 96 | |
| Ferrari 6.0L V12 | |||||||
| 16 | N-GT | 69 | Proton Competition | Gerold Ried Christian Ried | Porsche 911 GT3-RS | 96 | |
| Porsche 3.6L Flat-6 | |||||||
| 17 | GT | 13 | G.P.C. Giesse Squadra Corse | Emanuele Naspetti Mike Hezemans | Ferrari 575-GTC Maranello | 91 | |
| Ferrari 6.0L V12 | |||||||
| 18 | N-GT | 57 |  Vonka Racing | Jan Vonka Mauro Casadei | Porsche 911 GT3-R | 84 | |
| Porsche 3.6L Flat-6 | |||||||
| 19 NC | GT | 28 | Graham Nash Motorsport | Paolo Ruberti Luca Pirri-Ardizzone Jesús Diez de Villaroel | Saleen S7-R | 56 | |
| Ford 7.0L V8 | |||||||
| 20 NC | N-GT | 56 | AB Motorsport | Bruno Barbaro Antonio De Castro Renato Premoli | Porsche 911 GT3-RS | 28 | |
| Porsche 3.6L Flat-6 | |||||||
| 21 DNF | N-GT | 59 | Jens Petersen Racing | Jens Petersen Oliver Mathai Jan-Dirk Lueders | Porsche 911 GT3-RS | 70 | |
| Porsche 3.6L Flat-6 | |||||||
| 22 DNF | GT | 18 | JMB Racing | Ian Khan Bert Longin Thomas Bleiner | Ferrari 575-GTC Maranello | 69 | |
| Ferrari 6.0L V12 | |||||||
| 23 DNF | N-GT | 62 | G.P.C. Giesse Squadra Corse | Fabrizio de Simone Christian Pescatori | Ferrari 360 Modena GTC | 67 | |
| Ferrari 3.6L V8 | |||||||
| 24 DNF | GT | 3 | Care Racing Developments BMS Scuderia Italia | Stefano Livio Enzo Calderari Lilian Bryner | Ferrari 550-GTS Maranello | 44 | |
| Ferrari 5.9L V12 | |||||||
| 25 DNF | GT | 7 | Ray Mallock Ltd. | Mike Newton Thomas Erdos | Saleen S7-R | 1 | |
| Ford 7.0L V8 |