The 2003 FIA GT Magny-Cours 500 km was the second round the 2003 FIA GT Championship. It took place at the Circuit de Nevers Magny-Cours, France, on April 27, 2003.
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 | 23 |  BMS Scuderia Italia | Matteo Bobbi Thomas Biagi | Ferrari 550-GTS Maranello | 104 | |
| Ferrari 5.9L V12 | |||||||
| 2 | GT | 22 | BMS Scuderia Italia | Fabrizio Gollin Luca Cappellari | Ferrari 550-GTS Maranello | 104 | |
| Ferrari 5.9L V12 | |||||||
| 3 | GT | 15 |  Lister Storm Racing | Andrea Piccini Jean-Denis Délétraz | Lister Storm | 104 | |
| Jaguar 7.0L V12 | |||||||
| 4 | GT | 11 |  Roos Optima Racing Team | Henrik Roos Magnus Wallinder | Chrysler Viper GTS-R | 101 | |
| Chrysler 8.0L V10 | |||||||
| 5 | GT | 8 | Graham Nash Motorsport |  Miguel Ramos Ni Amorim Pedro Chaves | Saleen S7-R | 101 | |
| Ford 7.0L V8 | |||||||
| 6 | N-GT | 88 | Team Maranello Concessionaires | Tim Mullen Jamie Davies | Ferrari 360 Modena GT | 101 | |
| Ferrari 3.6L V8 | |||||||
| 7 | N-GT | 50 |  Freisinger Motorsport | Marc Lieb Stéphane Ortelli | Porsche 911 GT3-RS | 101 | |
| Porsche 3.6L Flat-6 | |||||||
| 8 | N-GT | 58 | Auto Palace Compétition | Steeve Hiesse Guillaume Gomez | Ferrari 360 Modena GT | 100 | |
| Ferrari 3.6L V8 | |||||||
| 9 | GT | 14 | Lister Storm Racing | Jamie Campbell-Walter Nathan Kinch | Lister Storm | 100 | |
| Jaguar 7.0L V12 | |||||||
| 10 | N-GT | 51 | Freisinger Motorsport |  Bert Longin Gabriele Gardel | Porsche 911 GT3-RS | 99 | |
| Porsche 3.6L Flat-6 | |||||||
| 11 | N-GT | 54 | Cirtek Motorsport | Xavier Pompidou Richard Kaye | Porsche 911 GT3-R | 99 | |
| Porsche 3.6L Flat-6 | |||||||
| 12 | N-GT | 52 | JMB Racing | Andrea Bertolini Fabrizio de Simone | Ferrari 360 Modena GT | 98 | |
| Ferrari 3.6L V8 | |||||||
| 13 | N-GT | 74 | Team Eurotech | Mike Jordan Mark Sumpter | Porsche 911 GT3-RS | 97 | |
| Porsche 3.6L Flat-6 | |||||||
| 14 | N-GT | 99 | RWS Yukos Motorsport |  Walter Lechner, Jr. Stéphane Daoudi | Porsche 911 GT3-R | 96 | |
| Porsche 3.6L Flat-6 | |||||||
| 15 | GT | 6 | Creation Autosportif | Bobby Verdon-Roe Marco Zadra | Lister Storm | 96 | |
| Jaguar 7.0L V12 | |||||||
| 16 | N-GT | 77 | RWS Yukos Motorsport |  Nikolai Fomenko Alexey Vasilyev | Porsche 911 GT3-RS | 95 | |
| Porsche 3.6L Flat-6 | |||||||
| 17 | N-GT | 56 |  Alda Motorsport | Andrzej Dziurka Wojciech Dobrzanski | Porsche 911 GT3-RS | 95 | |
| Porsche 3.6L Flat-6 | |||||||
| 18 | N-GT | 53 | JMB Racing | Antoine Gosse Peter Kutemann | Ferrari 360 Modena N-GT | 94 | |
| Ferrari 3.6L V8 | |||||||
| 19 | GT | 16 | Wieth Racing | Wolfgang Kaufmann Niko Wieth Vittorio Zoboli | Ferrari 550 Maranello | 84 | |
| Ferrari 6.0L V12 | |||||||
| 20 | N-GT | 65 | Protonic Desbrueres | Christopher Campbell Philippe Brocard Daniel Desbrueres | Porsche 911 GT3-RS | 73 | |
| Porsche 3.6L Flat-6 | |||||||
| 21 | N-GT | 61 | EMKA Racing | Martin Short Tim Sugden | Porsche 911 GT3-R | 72 | |
| Porsche 3.6L Flat-6 | |||||||
| 22 NC | GT | 7 | Graham Nash Motorsport | Mike Newton Thomas Erdos | Saleen S7-R | 61 | |
| Ford 7.0L V8 | |||||||
| 23 DNF | N-GT | 55 | Cirtek Motorsport | Ian Khan Adam Jones | Porsche 911 GT3-R | 59 | |
| Porsche 3.6L Flat-6 | |||||||
| 24 DNF | N-GT | 64 | AB Motorsport | Renato Premoli Bruno Barbaro Antonio De Castro | Porsche 911 GT3-RS | 55 | |
| Porsche 3.6L Flat-6 | |||||||
| 25 DNF | GT | 4 | Force One Racing Festina | Philippe Alliot David Hallyday Steve Zacchia | Chrysler Viper GTS-R | 49 | |
| Chrysler 8.0L V10 | |||||||
| 26 DNF | GT | 18 | Zwaan's Racing | Arjan van der Zwaan Rob van der Zwaan Klaus Abbelen | Chrysler Viper GTS-R | 39 | |
| Chrysler 8.0L V10 | |||||||
| 27 DNF | N-GT | 75 | Team Eurotech | David Jones Godfrey Jones | Porsche 911 GT3-R | 34 | |
| Porsche 3.6L Flat-6 | |||||||
| 28 DNF | GT | 10 | JMB Racing | Boris Derichebourg David Terrien Christian Pescatori | Ferrari 550 Maranello | 28 | |
| Ferrari 6.0L V12 | |||||||
| 29 DNF | GT | 1 | Larbre Compétition | Christophe Bouchut Jean-Philippe Belloc | Chrysler Viper GTS-R | 27 | |
| Chrysler 8.0L V10 | |||||||
| 30 DNF | GT | 5 | Force One Racing Festina Carsport Holland | Mike Hezemans Anthony Kumpen | Chrysler Viper GTS-R | 18 | |
| Chrysler 8.0L V10 | |||||||
| 31 DNF | GT | 21 | Care Racing BMS Scuderia Italia | Stefano Livio Lilian Bryner Enzo Calderari | Ferrari 550-GTS Maranello | 16 | |
| Ferrari 5.9L V12 | |||||||
| 32 DNF | GT | 12 | Proton Competition | Christian Ried Gerold Ried | Porsche 911 GT2 | 15 | |
| Porsche 3.6L Turbo Flat-6 | |||||||
| 33 DNF | GT | 9 | JMB Racing | Philipp Peter Fabio Babini | Ferrari 550 Maranello | 14 | |
| Ferrari 6.0L V12 | |||||||
| 34 DNF | GT | 2 | Konrad Motorsport | Franz Konrad Toni Seiler Jean-Marc Gounon | Saleen S7-R | 13 | |
| Ford 7.0L V8 | |||||||
| 35 DNF | N-GT | 57 |  MenX | Tomáš Enge Robert Pergl | Ferrari 360 Modena GT | 10 | |
| Ferrari 3.6L V8 | |||||||
| DSQ† | N-GT | 89 | Team Maranello Concessionaires | Darren Turner Kelvin Burt | Ferrari 360 Modena N-GT | 101 | |
| Ferrari 3.6L V8 |
† – #89 Team Maranello Concessionaires was disqualified after the car failed post-race technical inspection. The car's fuel tank was found to be larger than the rules allowed.