PORSCHE RACING HISTORY1975 - Le Mans 24 Hours
15 June 1975 - Circuit de la Sarthe, Le Mans, France
Reinhold Joest, Mario Casoni & Jürgen Barth 4th in a Porsche 908/03
GTS - 1st, 2nd, 3rd ; GT - 1st, 2nd, 3rd ; GTX - 1st
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 15 | Porsche 908/03 | 908/03-012 | S3.0 | Reinhold Jöst (D)/Mario Casoni (I)/Jürgen Barth (D) | Joest Racing (D) | 4th | 4th | 4th | 325 laps |
| 58 | Porsche 911 Carrera RSR | 911 460 9116 | GTS | John Fitzpatrick (GB)/Gijs van Lennep (NL) | Gelo Racing Team (D) | 5th | 1st | 18th | 315 laps |
| 69 | Porsche 911 Carrera RSR | 911 460 9072 | GTS | “Beurlys” Jean Blaton (B)/Nick Faure (GB)/John Cooper (GB) | "Beurlys" (D) | 6th | 2nd | 28th | 311 laps |
| 53 | Porsche 911 Carrera RSR | 911 460 9059 | GTS | Jacques Borras (F)/Pascal Moisson (F)/Henri Cachia (F) | Asa Cachia-Bondy (F) | 7th | 3rd | 19th | 309 laps |
| 55 | Porsche 911 Carrera RSR | 911 460 9070 | GTS | Claude Ballot-Léna (F)/Jacques Bienvenue (CDN) | Ecurie Robert Buchet (F) | 8th | 4th | 14th | 304 laps |
| 65 | Porsche 911 Carrera RSR | 911 560 9117 | GTS | Billy Sprowls (USA)/Juan Carlos Bolaños (MEX)/Andres Contreras (MEX) | Porsche Kremer Racing Team (D) | 9th | 5th | 24th | 304 laps |
| 84 | Porsche 911 Carrera RS | GT | Gerhard Maurer (CH)/Christian Beez (CH)/Eugen Strähl (CH) | Gerhard Maurer (CH) | 10th | 1st | 45th | 295 laps | |
| 67 | Porsche 911 Carrera RS | 911 460 9031 | GT | Anny-Charlotte Verney (F)/Yvette Fontaine (F)/Christine Tarnaud (F) | Anny Charlotte Verney (F) | 11th | 2nd | 49th | 294 laps |
| 20 | Porsche 911 Carrera RSR Turbo | GTX | Bernard Béguin (F)/Peter Zbinden (CH)/Claude Haldi (CH) | Porsche Club Romand (CH) | 15th | 1st | 39th | 291 laps | |
| 77 | Porsche 911 Carrera RS | 911 460 9082 | GT | Thierry Sabine (F)/Philippe Dagoreau (F)/Jean-Pierre Aeschlimann (CH) | Philippe Dagoreau (F) | 17th | 3rd | 46th | 290 laps |
| 80 | Porsche 911 Carrera RS | 911 460 9029 | GT | Raymond Touroul (F)/Philippe Hesnault (F) | X Racing (F) | 18th | 4th | 44th | 284 laps |
| 63 | Porsche 911 Carrera RS | 911 460 9018 | GT | Jean-Claude Bering (CH)/Klaus Utz (D)/Horst Godel (D) | Porsche Club Romand (CH) | 19th | 5th | 43rd | 283 laps |
| 87 | Porsche 911 Carrera S | 911 360 0654 | GT | René Boubet (F)/Philippe Dermagne (F) | X Racing (F) | 20th | 6th | 48th | 283 laps |
| 61 | Porsche 911 Carrera RSR | 911 360 1196 | GTS | Christian Bussi (F)/Patrick Metral (F) | Écurie Armagnac Bogorre (F) | 23rd | 9th | 40th | 265 laps |
| 71 | Porsche 911 Carrera RSR | 911 360 0791 | GTS | Joël Laplacette (F)/Alain Leroux (F)/Claude Pigeon (F) | Joël Laplacette (F) | 25th | 10th | 36th | 257 laps |
| 50 | Porsche 911 Carrera RSR | 911 360 0885 | GTS | Hubert Striebig (F)/Hughes Kirschoffer (F)/Pierre Mauroy (F) | Louis Meznarie (F) | 28th | 12th | 31st | 242 laps |
| 78 | Porsche 911 Carrera RS | GT | Bob Wollek (F)/Cyril Grandet (F) | Écurie Buchet (F) | DSQ | 37th | 294 laps - Premature Refuel | ||
| 3 | Porsche 908/02 | 908/02-016 | S3.0 | Christian Poirot (F)/Gérard Cuynet (F)/Guillermo Ortega (EC) | Christian Poirot (F) | DNF | 13th | 249 laps - Transmission | |
| 1 | Porsche 908/02 | 908/02-010 | S3.0 | Max Cohen-Olivar (MOR)/Philippe Carron (CH)/Joël Brachet (F) | Wicky Racing Team (CH) | DNF | 22nd | 161 laps - Clutch | |
| 59 | Porsche 911 Carrera RSR | 911 460 9077 | GTS | Tim Schenken (AUS)/Howden Ganley (NZ) | Gelo Racing Team (D) | DNF | 26th | 106 laps - Gearbox | |
| 52 | Porsche 911 Carrera RSR | 911 360 0960 | GTS | William Vollery (CH)/Roger Dorchy (F)/Eric Chapuis (CH) | Écurie du Nord (F) | DNF | 29th | 93 laps - Valves | |
| 68 | Porsche 911 Carrera RS | GTS | Guy Verrier (F)/Florian Vetsch (CH)/Jean-Robert Corthay (CH) | Guy Verrier (F) | DNF | 41st | 91 laps - Head Gasket | ||
| 96 | Porsche 911 Carrera RS | 911 460 9029 | GTS | Lucien Nageotte (F)/Gérard Picard (F) | J. Bonnemaison (F) | DNF | 34th | 48 laps - Ignition | |
| 16 | Porsche 911 Carrera RSR | 911 560 9121 | GTS | Clemens Schickentanz (D)/Hartwig Bertrams (D) | Joest Racing (D) | DNF | 16th | 42 laps - Engine | |
| 60 | Porsche 911 Carrera RSR | 911 460 9040 | GTS | Toine Hezemans (NL)/Manfred Schurti (FL) | Gelo Racing Team (D) | DNF | 23rd | 41 laps - Accident | |
| 57 | Porsche 911 Carrera RSR | 911 460 0002 | GTS | John Rulon-Miller (USA)/Tom Waugh (USA)/Serge Godard (GB) | Ganto Racing (D) | DNF | 35th | 16 laps - Oil Leak | |
| 83 | Porsche 911 Carrera RS | GTS | Jean-Yves Gadal (F)/"Ségolen" André Gahinet (F) | Jean-Yves Gadal (F) | DNF | 55th | 6 laps - Engine |
Non Championship Race Le Mans 24 Hours
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