| 6.4.1975 | 800 km Dijon | 8 | 911 Carrera RSR | Schickentanz / Bertrams / Wisell | Tebernum Porsche Racing | 7th |
| 6.4.1975 | 800 km Dijon | 25 | 911 Carrera RSR 3.0 | Godard / Rulon-Miller | Gante Racing | 11th |
| 6.4.1975 | 800 km Dijon | 26 | 911 Carrera RSR 3.0 | Ballot-Léna / Wollek | Robert Buchet | 8th |
| 6.4.1975 | 800 km Dijon | 27 | 911 Carrera RSR | Borras / Moisson | Henri Cachia | DNQ |
| 6.4.1975 | 800 km Dijon | 28 | 911 Carrera RSR 3.0 | Vollery / Dorchy | William Vollery | DNQ |
| 6.4.1975 | 800 km Dijon | 29 | 911 Carrera RSR 3.0 | Haldi / Béring / Dorchy | Porsche Club Romand | DNF |
| 6.4.1975 | 800 km Dijon | 30 | 911 Carrera RSR | Chateau / Cayeux | Jean-Louis Chateau | DNQ |
| 6.4.1975 | Aspern [T/GT] | 31 | 914 | Günther Berger | Günther Horst Berger | raced |
| 6.4.1975 | Aspern [T/GT] | 32 | 911 Carrera RSR | Willy Rabl | Baustoff Racing Team | raced |
| 6.4.1975 | 800 km Dijon | 33 | 911 Carrera RSR 3.0 | Fitzpatrick / Hezemans | Gelo Racing Team | 5th |
| 6.4.1975 | 800 km Dijon | | 908/3 | Leo Kinnunen | Julio Gargallo | DNA |
| 13.4.1975 | Interserie Hockenheim | 0 | 917/30 TC | Herbert Müller | Dr. Hermann Dannesberger | 1st |
| 13.4.1975 | Interserie Hockenheim | 6 | 917/10 TC | Rolf Stommelen | Gelo Racing Team Georg Loos | DNF |
| 13.4.1975 | Interserie Hockenheim | 14 | 917 Spyder | Albert Pfuhl | Albert Pfuhl | 10th |
| 13.4.1975 | Euro GT Imola | 27 | 911 Carrera RSR 3.0 | Girolamo Capra | | 8th |
| 13.4.1975 | Euro GT Imola | 28 | 911 Carrera RSR | Kenneth Leim | Team Bla Racing | 7th |
| 13.4.1975 | Euro GT Imola | 31 | 911 Carrera RS | Raymond Touroul | | 11th |
| 13.4.1975 | Euro GT Imola | 35 | 911 Carrera RS | Vittorio Benvenuti | | raced |
| 13.4.1975 | Euro GT Imola | 38 | 911 Carrera RS | Franco Berruto | | raced |
| 13.4.1975 | Euro GT Imola | 39 | 911 Carrera RSR | "Tambauto" | | 16th |
| 13.4.1975 | Euro GT Imola | 40 | 911 Carrera RS | Gilberto Vannini | | DNQ |
| 13.4.1975 | Euro GT Imola | 41 | 914/6 | Carlo Rebai | | DNQ |
| 13.4.1975 | Interserie Hockenheim | 42 | 908/3 Turbo | Reinhold Jöst | Jöst Racing | 4th |
| 13.4.1975 | Interserie Hockenheim | 43 | 908/3 | Ernst Kraus | Jöst Racing | 6th |
| 13.4.1975 | Euro GT Imola | 43 | 914/6 | Giovanni Carminati | | DNQ |
| 13.4.1975 | Euro GT Imola | 44 | 911 Carrera RSR | Giorgio Schön | | raced |
| 13.4.1975 | Interserie Hockenheim | 44 | 908/3 Turbo | Rolf Stommelen | Heidrich Racing | DNA |
| 13.4.1975 | Euro GT Imola | 45 | 911 Carrera RSR 3.0 | Claude Ballot-Léna | Ecurie Robert Buchet | 2nd |
| 13.4.1975 | Euro GT Imola | 46 | 911 Carrera RS | Cyril Grandet | | raced |
| 13.4.1975 | Euro GT Imola | 48 | 911 Carrera RSR 3.0 | John Fitzpatrick | Gelo Racing Team Georg Loos | DQ |
| 13.4.1975 | Euro GT Imola | 49 | 911 Carrera RSR | Toine Hezemans | Gelo Racing Team Georg Loos | raced |
| 13.4.1975 | Euro GT Imola | 51 | 911 Carrera RSR 3.0 | Clemens Schickentanz | Tebernum Racing Team | DQ |
| 13.4.1975 | Euro GT Imola | 52 | 911 Carrera RSR | Hartwig Bertrams | Tebernum Racing Team | DQ |
| 13.4.1975 | Euro GT Imola | 53 | 911 Carrera RSR 3.0 | Claude Haldi | Porsche Club Romand | 1st |
| 13.4.1975 | Interserie Hockenheim | 53 | 911 Carrera RSR 3.0 | Helmut Kelleners | Porsche Kremer Racing | DNA |
| 13.4.1975 | Interserie Hockenheim | 54 | 911 Carrera RSR 3.0 | Cees Siewertsen | Porsche Kremer Racing | DNA |
| 13.4.1975 | DARM Hockenheim [GT+2.0/T+2.0] | 54? | 911 Carrera RSR 3.0 | Cees Siewertsen | Kremer-Team | 4th |
| 13.4.1975 | Euro GT Imola | 54 | 911 Carrera RSR 3.0 | William Vollery | | 3rd |
| 13.4.1975 | DARM Hockenheim [GT2.0/T2.0] | 61 | 914/6 | Manfred Laub | Autohaus Max Moritz GmbH | ?th |
| 13.4.1975 | DARM Hockenheim [GT2.0/T2.0] | 62 | 914/6 | Albrecht Schütz | Autohaus Max Moritz GmbH | ?th |
| 13.4.1975 | DARM Hockenheim [GT2.0/T2.0] | 63 | 914/6 | Klaus Erle | Klaus Erle | DNA |
| 13.4.1975 | DARM Hockenheim [GT2.0/T2.0] | 64 | 914/6 | Hans Christian Jürgensen | Hans Christian Jürgensen | DQ |
| 13.4.1975 | DARM Hockenheim [GT2.0/T2.0] | 65 | 914/6 | Peter Karl Nowak | Peter Karl Nowak | ?th |
| 13.4.1975 | DARM Hockenheim [GT2.0/T2.0] | 66 | 914/6 | Wilhelm Siegle | Wilhelm Siegle | DNS |
| 13.4.1975 | DARM Hockenheim [GT2.0/T2.0] | 68 | 914/6 | Edgar Dören | Bergischer Motorsportclub | 3rd |
| 13.4.1975 | DARM Hockenheim [GT2.0/T2.0] | 71 | 914/6 | Alberto Zirkel | Bergischer Motorsportclub | ?th |
| 13.4.1975 | Interserie Hockenheim | 88 | 908/3-6 Turbo | Manfred Schurti | Dr. Hermann Dannesberger | DNF |
| 13.4.1975 | Euro GT Imola | | 911 Carrera RSR | Serge Godard | | 6th |
| 13.4.1975 | DARM Hockenheim [GT+2.0/T+2.0] | | 911 Carrera RSR 3.0 | Hans Forster | Hans Forster | ?th |
| 13.4.1975 | DARM Hockenheim [GT+2.0/T+2.0] | | 911 Carrera RS | Helmut Bez | Sports Car Club of Stuttgart | ?th |
| 13.4.1975 | DARM Hockenheim [GT+2.0/T+2.0] | | 911 Carrera RSR | Richard Leder | Richard Leder | 6th |
| 13.4.1975 | DARM Hockenheim [GT+2.0/T+2.0] | | 911 Carrera RSR 3.0 | Josef Brambring | Josef Brambring | 5th |
| 13.4.1975 | DARM Hockenheim [GT+2.0/T+2.0] | | 911 Carrera | Gerhard Holup | Gerhard Holup | ?th |
| 13.4.1975 | DARM Hockenheim [GT+2.0/T+2.0] | | 911 Carrera RSR | Eugen Kiemele | Eugen Kiemele | ?th |
| 13.4.1975 | DARM Hockenheim [GT+2.0/T+2.0] | | 911 Carrera RSR | Reinhardt Stenzel | Team Foto-Quelle Max Moritz-Racing | 2nd |
| 13.4.1975 | DARM Hockenheim [GT+2.0/T+2.0] | | 911 Carrera RSR | Hubert Schmidt | MSC Calw | ?th |
| 13.4.1975 | DARM Hockenheim [GT+2.0/T+2.0] | | 911 Carrera RSR 3.0 | Hans Halfmann | Tebernum-Porsche-Racing-Team | ?th |
| 13.4.1975 | DARM Hockenheim [GT+2.0/T+2.0] | | 911 Carrera RSR 3.0 | Helmut Kelleners | Jägermeister Kremer-Team | 3rd |
| 13.4.1975 | DARM Hockenheim [GT+2.0/T+2.0] | | 911 Carrera RS | Ralf-Dieter Schreiber | Ralf Dieter Schreiber | ?th |
| 13.4.1975 | Euro GT Imola | | 914/6 | Giorgio Del Carlo | | DNQ |
| 13.4.1975 | DARM Hockenheim [GT+2.0/T+2.0] | | 911 Carrera RSR | Franz Konrad | Franz Konrad | ?th |
| 20.4.1975 | 100 mile Road Atlanta I | 1 | 911 Carrera RSR 3.0 | Michael Keyser | Toad Hall Racing | 5th |
| 20.4.1975 | 100 mile Road Atlanta II | 1 | 911 Carrera RSR 3.0 | Michael Keyser | Toad Hall Racing | 3rd |
| 20.4.1975 | 1000 km Monza | 5 | 908/3 Turbo | Jöst / Casoni | Scuderia Nettuno Ovoro | 2nd |
| 20.4.1975 | 1000 km Monza | 6 | 908/3 | Barth / Kraus | Scuderia Nettuno | 5th |
| 20.4.1975 | 100 mile Road Atlanta II | 6 | 911 Carrera RSR | Hurley Haywood | | 2nd |
| 20.4.1975 | 100 mile Road Atlanta I | 6 | 911 Carrera RSR | Hurley Haywood | | 3rd |
| 20.4.1975 | 1000 km Monza | 7 | 908/3-6 Turbo | Müller / van Lennep | Dr. H. Dannesberger | DNF |
| 20.4.1975 | 100 mile Road Atlanta I | 9 | 911 Carrera RSR 3.0 | Juan Carlos Bolanos | | 9th |
| 20.4.1975 | 100 mile Road Atlanta I | 14 | 911 Carrera RSR 3.0 | Al Holbert | | 2nd |
| 20.4.1975 | 100 mile Road Atlanta II | 14 | 911 Carrera RSR 3.0 | Al Holbert | | 1st |
| 20.4.1975 | 100 mile Road Atlanta I | 23 | 911 Carrera RSR | Charlie Kemp | Armorall Racing Team | 27th |
| 20.4.1975 | 100 mile Road Atlanta II | 23 | 911 Carrera RSR | Charlie Kemp | Armorall Racing Team | 5th |
| 20.4.1975 | 100 mile Road Atlanta I | 30 | 911 Carrera RSR 3.0 | George Dyer | George Dyer | 6th |
| 20.4.1975 | 100 mile Road Atlanta II | 43 | 911 Carrera RSR | John O'Steen | | 6th |
| 20.4.1975 | 100 mile Road Atlanta I | 43 | 911 Carrera RSR | John O'Steen | | 37th |
| 20.4.1975 | 100 mile Road Atlanta I | 44 | 911 S | Tony Garcia | | 16th |
| 20.4.1975 | 100 mile Road Atlanta II | 59 | 911 Carrera RSR 3.0 | Peter Gregg | | 4th |
| 20.4.1975 | 100 mile Road Atlanta I | 59 | 911 Carrera RSR 3.0 | Peter Gregg | | 1st |
| 20.4.1975 | 100 mile Road Atlanta I | 60 | 911 S | Rusty Bond | | 17th |
| 20.4.1975 | 100 mile Road Atlanta II | 60 | 911 S | John Belperche | | 15th |
| 20.4.1975 | 100 mile Road Atlanta I | 67 | 911 Carrera S | Dave White | | DQ |
| 20.4.1975 | 1000 km Monza | 72 | 911 Carrera RSR 3.0 | Capra / Lepri | Girolama Capra | DNQ |
| 20.4.1975 | 1000 km Monza | 74 | 911 Carrera RSR 3.0 | Haldi / Béguin | Porsche Club Romand | DNF |
| 20.4.1975 | 1000 km Monza | 75 | 911 Carrera RSR | Berruto / Fossati | Scuderia Brescia Corse | DNQ |
| 20.4.1975 | 1000 km Monza | 76 | 911 Carrera RSR 3.0 | Heyer / Kelleners | Jägermeister Kremer Racing | DNF |
| 20.4.1975 | 100 mile Road Atlanta II | 76 | 911 Carrera RSR | Norm Ridgely | | 10th |
| 20.4.1975 | 100 mile Road Atlanta I | 76 | 911 Carrera RSR | Norm Ridgely | | 11th |
| 20.4.1975 | 1000 km Monza | 77 | 911 Carrera RSR 3.0 | Hezemans / Schurti / Fitzpatrick | Gelo Racing Team | 6th |
| 20.4.1975 | 1000 km Monza | 78 | 911 Carrera RSR | Fitzpatrick / Hezemans / Schurti | Gelo Racing Team | 7th |
| 20.4.1975 | 1000 km Monza | 79 | 911 Carrera RSR 3.0 | Wisell / Schickentanz / Bertrams | Tebernum Porsche Racing Team | DNF |
| 20.4.1975 | 1000 km Monza | 81 | 911 Carrera RSR | Schickentanz / Bertrams / Wisell | Tebernum Porsche Racing Team | 9th |
| 20.4.1975 | 1000 km Monza | 82 | 911 Carrera RSR 3.0 | Vollery / Dorchy | Ecurie du Nord | DNQ |
| 20.4.1975 | 1000 km Monza | 83 | 911 Carrera RSR 3.0 | Bonomelli / Rulon-Miller | Gante Racing | DNQ |
| 20.4.1975 | 1000 km Monza | 85 | 911 Carrera RSR | Gabriele Serblin | Gabriele Serblin | DNQ |
| 20.4.1975 | 100 mile Road Atlanta I | 85 | 914/6 | Coupland | | 21st |
| 20.4.1975 | 100 mile Road Atlanta I | 89 | 911 S | Dave Causey | | 15th |
| 20.4.1975 | 100 mile Road Atlanta II | 89 | 911 S | Don Parish | Barrick Motor Racing | 14th |
| 20.4.1975 | 100 mile Road Atlanta I | 95 | 911 Carrera RSR 3.0 | Bob Hagestad | Bob Hagestad | 7th |
| 20.4.1975 | 100 mile Road Atlanta II | 95 | 911 Carrera RSR 3.0 | Bob Hagestad | Bob Hagestad | 7th |