The 2005 FIA GT Magny-Cours Supercar 500 was the second race for the 2005 FIA GT Championship season. It took place on 1 May 2005 at the Circuit de Nevers Magny-Cours. It was also the second round of the 2005 British GT Championship, counting for the GT2 class only.
Class winners in bold. Cars failing to complete 70% of winner's distance marked as Not Classified (NC). Entries in italic scored points for the British GT Championship.
| Pos | Class | No | Team | Drivers | Chassis | Tyre | Laps |
|---|---|---|---|---|---|---|---|
| Engine | |||||||
| 1 | GT1 | 15 |  JMB Racing |  Andrea Bertolini  Karl Wendlinger | Maserati MC12 GT1 | P | 104 |
| Maserati 6.0L V12 | |||||||
| 2 | GT1 | 9 |  Vitaphone Racing Team | Michael Bartels Timo Scheider | Maserati MC12 GT1 | P | 104 |
| Maserati 6.0L V12 | |||||||
| 3 | GT1 | 10 | Vitaphone Racing Team | Fabio Babini Thomas Biagi | Maserati MC12 GT1 | P | 104 |
| Maserati 6.0L V12 | |||||||
| 4 | GT1 | 6 |  GLPK-Carsport | Bert Longin Anthony Kumpen  Mike Hezemans | Chevrolet Corvette C5-R | M | 104 |
| Chevrolet LS7r 7.0L V8 | |||||||
| 5 | GT1 | 11 |  Larbre Compétition |  Pedro Lamy  Gabriele Gardel | Ferrari 550-GTS Maranello | M | 102 |
| Ferrari 5.9L V12 | |||||||
| 6 | GT1 | 12 | Larbre Compétition | Lilian Bryner Enzo Calderari Steve Zacchia | Ferrari 550-GTS Maranello | M | 102 |
| Ferrari 5.9L V12 | |||||||
| 7 | GT1 | 16 | JMB Racing | Philipp Peter  Chris Buncombe  Roman Rusinov | Maserati MC12 GT1 | P | 101 |
| Maserati 6.0L V12 | |||||||
| 8 | GT1 | 17 | Russian Age Racing | Christophe Bouchut Nikolai Fomenko Alexey Vasilyev | Ferrari 550-GTS Maranello | M | 100 |
| Ferrari 5.9L V12 | |||||||
| 9 | GT2 | 88 | GruppeM Racing | Emmanuel Collard Tim Sugden | Porsche 911 GT3-RSR | M | 100 |
| Porsche 3.6L Flat-6 | |||||||
| 10 | GT2 | 66 | GruppeM Racing | Marc Lieb Mike Rockenfeller | Porsche 911 GT3-RSR | M | 99 |
| Porsche 3.6L Flat-6 | |||||||
| 11 | GT1 | 2 | GPC Sport | Jean-Denis Délétraz Andrea Piccini | Ferrari 575-GTC Maranello | P | 99 |
| Ferrari 6.0L V12 | |||||||
| 12 | GT2 | 83 | Scuderia Ecosse | Nathan Kinch Andrew Kirkaldy | Ferrari 360 Modena GTC | P | 98 |
| Ferrari 3.6L V8 | |||||||
| 13 | GT2 | 82 | Scuderia Ecosse | Tim Mullen  Chris Niarchos | Ferrari 360 Modena GTC | P | 98 |
| Ferrari 3.6L V8 | |||||||
| 14 | GT2 | 77 | Team Eurotech | Mike Jordan Michael Caine | Porsche 911 GT3-RS | D | 97 |
| Porsche 3.6L Flat-6 | |||||||
| 15 | GT2 | 80 | Team LNT | Lawrence Tomlinson Jonny Kane | TVR Tuscan T400R | D | 97 |
| TVR Speed Six 4.0L I6 | |||||||
| 16 | GT1 | 8 | Graham Nash Motorsport | Philippe Almèras Roland Bervillé Enea Casoni | Saleen S7-R | P | 96 |
| Ford 7.0L V8 | |||||||
| 17 | GT1 | 4 | Konrad Motorsport | Harald Becker Franz Konrad | Saleen S7-R | P | 96 |
| Ford 7.0L V8 | |||||||
| 18 | GT2 | 81 | Team LNT | Warren Hughes Patrick Pearce | TVR Tuscan T400R | D | 96 |
| TVR Speed Six 4.0L I6 | |||||||
| 19 | GT2 | 76 | Team Eurotech | David Jones Godfrey Jones | Porsche 911 GT3-RS | D | 96 |
| Porsche 3.6L Flat-6 | |||||||
| 20 | GT2 | 69 | Proton Competition | Gerold Ried Christian Ried | Porsche 911 GT3-RS | D | 95 |
| Porsche 3.6L Flat-6 | |||||||
| 21 | GT2 | 56 |  Czech National Team | Jan Vonka Mauro Casadei | Porsche 911 GT3-RS | D | 92 |
| Porsche 3.6L Flat-6 | |||||||
| 22 | GT1 | 7 | Graham Nash Motorsport | Paolo Ruberti Joël Camathias | Saleen S7-R | P | 89 |
| Ford 7.0L V8 | |||||||
| 23 | G2 | 103 | Emotional Engineering |  Matt Griffin Ryan Hooker | Vauxhall Monaro | D | 86 |
| Vauxhall LS1 5.7L V8 | |||||||
| 24 | GT1 | 13 | Reiter Engineering | Peter Kox Norman Simon | Lamborghini Murcielago R-GT | P | 83 |
| Lamborghini 6.0L V12 | |||||||
| 25 DNF | G2 | 101 | Balfe Motorsport | Shaun Balfe Jamie Derbyshire | Mosler MT900R | D | 66 |
| Chevrolet 5.7L V8 | |||||||
| 26 DNF | G2 | 179 | RJN Motorsport | Michael Bentwood Ally McKever Brice Wilson | Nissan 350Z | D | 31 |
| Nissan VQ35 3.5L V6 | |||||||
| 27 DNF | GT1 | 5 | Konrad Motorsport | Robert Lechner Uwe Alzen | Saleen S7-R | P | 29 |
| Ford 7.0L V8 | |||||||
| 28 DNF | GT2 | 75 | Ian Khan | Ian Khan Nigel Smith | Porsche 911 GT3-RS | D | 15 |
| Porsche 3.6L Flat-6 | |||||||
| 29 DNF | GT1 | 20 |  RAM Racing | Max Stanco Rafal Janus | Saleen S7-R | P | 4 |
| Ford 7.0L V8 | |||||||
| 30 DNF | GT1 | 14 | Lister Storm Racing | Justin Keen  Liz Halliday | Lister Storm GT | D | 4 |
| Jaguar 7.0L V12 | |||||||
| DNS | GT2 | 55 | Embassy Racing | Ben Collins  Neil Cunningham | Porsche 911 GT3-RSR | D | - |
| Porsche 3.6L Flat-6 |