| 17.8.1975 | MEZ MR CZ Most | 21 | | Willy Rabl | | 1st |
| 17.8.1975 | DRM Kassel-Calden | 59 | #911 460 9077? | Tim Schenken | Gelo Racing Team Georg Loos | 3rd |
| 17.8.1975 | DRM Kassel-Calden | 75 | | Harald Reimann | Harald Reimann | 12th |
| 23.8.1975 | Zandvoort [GT/T] | 1 | | Jürgen Kannacher | Porsche-Kannacher-Krefeld | DNA |
| 23.8.1975 | Zandvoort [GT/T] | 2 | | Heinz-Jörgen Dahmen | Porsche-Kannacher-Krefeld | 1st |
| 23.8.1975 | Zandvoort [GT/T] | 8 | | Franz-Josef Weißkopf | Tebernum Racing Team | 4th |
| 23.8.1975 | Zandvoort [GT/T] | 206 | #911 360 0760 | Hubert Schmidt | Autohaus Max Moritz | DNA |
| 23.8.1975 | Zandvoort [GT/T] | 207 | | Franz Konrad | Scuderia Teutonia e. V. | 2nd |
| 24.8.1975 | NTK Zandvoort | 1 | | Jürgen Kannacher | Porsche-Kannacher | ?th |
| 24.8.1975 | NTK Zandvoort | 2 | | Heinz-Jörgen Dahmen | Porsche-Kannacher | ?th |
| 24.8.1975 | NTK Zandvoort | 8 | | Franz-Josef Weißkopf | Tebernum Racing Team | ?th |
| 24.8.1975 | 6 h Mid-Ohio | 11 | | Winkler / Kelly | | 22nd |
| 24.8.1975 | 6 h Mid-Ohio | 23 | #911 360 0727 | Kemp / Baird | Armorall Racing Team | 36th |
| 24.8.1975 | 6 h Mid-Ohio | 30 | | Quintanilla / Gonzalez | | 3rd |
| 24.8.1975 | 6 h Mid-Ohio | 43 | #911 560 9112 | O'Steen / Helmick | | 2nd |
| 24.8.1975 | Road America Handicap | 74 | #911 560 9123 | Ludwig Heimrath | Heimrath Racing | 3rd |
| 24.8.1975 | 6 h Mid-Ohio | 75 | | Ridgely / Bartling | | 6th |
| 24.8.1975 | Road America Handicap | 81 | | Walt Maas | Grey Edgerton | DNA |
| 24.8.1975 | DARM Mainz-Finthen [GT+2.0/T+2.0] | | | Richard Leder | Richard Leder | ?th |
| 24.8.1975 | DARM Mainz-Finthen [GT+2.0/T+2.0] | | #911 460 9078 | Eberhard Sindel | Rallye Gemeinschaft Ulm | ?th |
| 24.8.1975 | DARM Mainz-Finthen [GT+2.0/T+2.0] | | | Hans-Peter Ziegler | Hans-Peter Ziegler | ?th |
| 31.8.1975 | Knutstorp [T/GT] | 0 | | Roland Larsson | | 4th |
| 31.8.1975 | Knutstorp [T/GT] | 2 | | Bengt Ekberg | Team Västkuststugan-Porche | 3rd |
| 31.8.1975 | Knutstorp [T/GT] | 6 | | Jan Lundgardh | Team Dintol Center | 6th |
| 31.8.1975 | Knutstorp [T/GT] | 7 | | Bent Clausen | Team Smidts radio | DNA |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 10 | #911 460 9060 | Reinhardt Stenzel | Foto-Quele Max Moritz Racing Team | DNF |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 11 | #911 360 0636 | Jürgen Lässig | Autohaus Max Moritz | 10th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 14 | #911 560 9117 | Bob Wollek | Vaillant Kremer-Team | 4th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 16 | | Jürgen Kannacher | Porsche-Kannacher | DNA |
| 31.8.1975 | Knutstorp [T/GT] | 17 | | Reine Wisell | | 1st |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 17 | | | Porsche-Kannacher | DNA |
| 31.8.1975 | Knutstorp [T/GT] | 18 | #911 560 9121 | Clemens Schickentanz | | DNA |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 20 | #911 560 9121 | Clemens Schickentanz | Tebernum Porsche Racing Team | DNA |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 22 | #911 460 9095 | Richard Leder | Richard Leder | DNF |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 32 | #911 230 0827 | Peter Bernhard | Formel Rennsport Club | ?th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 34 | #911 460 9069 | Edy Brandenberger | Scuderia Basilea | DNA |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 35 | #911 460 9050 | Eugen Strähl | Lista Racing Team | ?th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 37 | | Lutz Hömssen | Lutz Hömssen | ?th |
| 31.8.1975 | DRM Hockenheim Preis der Nationen | 38 | #911 360 0760 | Hubert Schmidt | MSC Calw | ?th |
| 31.8.1975 | Zolder [GT] | | | | | DNF |
| 31.8.1975 | Zolder [GT] | | | Jürgen Kannacher | Porsche-Kannacher | 1st |
| 31.8.1975 | Zolder [GT] | | | Peter Hähnlein | Porsche-Kannacher | 3rd |
| 31.8.1975 | Zolder [GT] | | | Harald Reimann | Harald Reimann | 4th |
| 6.9.1975 | Mainz Hockenheim [GT] | | #911 360 0760 | Hubert Schmidt | Autohaus Max Moritz GmbH | 1st |
| 7.9.1975 | Supersprint Nürburgring | 4 | | Hans Heyer | Jägermeister Kremer Team | 2nd |
| 7.9.1975 | Supersprint Nürburgring | 5 | #911 560 9117 | Bob Wollek | Vaillant Kremer Team | 1st |
| 7.9.1975 | Supersprint Nürburgring | 7 | #911 560 9121 | Clemens Schickentanz | Tebernum-Porsche-Racing-Team Krefeld | DNA |
| 7.9.1975 | Supersprint Nürburgring | 9 | #911 460 9078 | Eberhard Sindel | Rallyegememinschaft Ulm e.V. im ADAC | DNA |
| 7.9.1975 | Supersprint Nürburgring | 10 | | Richard Leder | Richard Leder | 6th |
| 7.9.1975 | Supersprint Nürburgring | 12 | | Anton Stocks | AMC Duisburg | DNA |
| 7.9.1975 | Croix-en-Ternois | | | Claude Ballot-Léna | | 1st |
| 7.9.1975 | Croix-en-Ternois | | | Jean-Louis Chateau | | 3rd |
| 7.9.1975 | Croix-en-Ternois | | | Jacques Borras | | 2nd |
| 14.9.1975 | DARM Ulm [GT+2.0/T+2.0] | 1 | | Richard Leder | Richard Leder | 1st |
| 14.9.1975 | DARM Ulm [GT+2.0/T+2.0] | 2 | #911 360 0760 | Hubert Schmidt | MCS Calw | ?th |
| 14.9.1975 | DARM Ulm [GT+2.0/T+2.0] | 3 | | Alberto Zirkel | Porsche-Kannacher | ?th |
| 14.9.1975 | DARM Ulm [GT+2.0/T+2.0] | 9 | | Jürgen Kannacher | Porsche Kannacher | ?th |
| 14.9.1975 | DARM Ulm [GT+2.0/T+2.0] | | | Franz Müller | Renngemeinschaft Graf Zeppelin | ?th |
| 28.9.1975 | DRM Hockenheim Preis von Baden | 13 | #911 460 9073 | Eckhard Schimpf | Jägermeister-Racing-Team | 11th |
| 28.9.1975 | 6 h Monza | 18 | #006 0002 | "Tambauto" / Anzeloni | Scuderia Brescia Corse | 8th |
| 28.9.1975 | 6 h Monza | 21 | | Leim / Simonsen | Team BLA Racing | raced |
| 28.9.1975 | 6 h Monza | 24 | | Benvenuti / Vannini | Vittorio Benvenuti (Canegliano Corse) | DNA |
| 28.9.1975 | 6 h Monza | 26 | #004 0004 | Corthay / Morand / Weabey | Ecurie Rolloise | 10th |
| 28.9.1975 | 6 h Monza | 29 | | Casoni / Jöst | Scuderia Brescia Corse | DNA |
| 28.9.1975 | 6 h Monza | 31 | | Thiry / Striebig | Hubert Striebig | raced |
| 28.9.1975 | 6 h Monza | 32 | #911 560 9121 | Schickentanz / Wisell | Tebernum Porsche Racing Team | DNF |
| 28.9.1975 | 6 h Monza | 34 | | Touroul / Boubet / Pagani | X Racing | 6th |
| 28.9.1975 | 6 h Monza | 35 | #911 460 9074 | Schön / Pelit | Jolly Club | raced |
| 28.9.1975 | 6 h Monza | 42 | | Haldi / Béguin | Porsche Club Romand | raced |
| 28.9.1975 | DRM Hockenheim Preis von Baden | | #911 560 9117 | Bob Wollek | Vaillant Kremer-Team | 3rd |
| 28.9.1975 | DRM Hockenheim Preis von Baden | | #911 460 9060 | Reinhardt Stenzel | Foto-Quele Max Moritz Racing Team | DNF |
| 28.9.1975 | DRM Hockenheim Preis von Baden | | #911 360 0636 | Jürgen Lässig | Autohaus Max Moritz GmbH | 6th |
| 28.9.1975 | DRM Hockenheim Preis von Baden | | #911 460 9062 | Jürgen Kannacher | Porsche Kannacher | 7th |
| 28.9.1975 | DRM Hockenheim Preis von Baden | | #911 460 9078 | Eberhard Sindel | RG Ulm | 9th |
| 28.9.1975 | DRM Hockenheim Preis von Baden | | #911 460 9095 | Richard Leder | Richard Leder | 10th |
| 5.10.1975 | NTK Zandvoort | 71 | #911 460 9078 | Eberhard Sindel | | 3rd |
| 5.10.1975 | NTK Zandvoort | 76 | | Jürgen Kannacher | Porsche Kannacher Krefeld | 2nd |
| 17.10.1975 | Giro d'Italia | 492 | | di Gioia / Stoppato | Apolia | 4th |
| 17.10.1975 | Giro d'Italia | 495 | #911 460 9086 | "Victor" / Pilone | Nord Ovest | 2nd |
| 17.10.1975 | Giro d'Italia | 498 | | "Tambauto" / Schenetti | Brescia Corse | raced |
| 17.10.1975 | Giro d'Italia | 499 | | Berruto / Radicella | Brescia Corse | raced |
| 17.10.1975 | Giro d'Italia | 510 | | Mubry / Sanchez | Equipe Almeras Freres Defense Mondiale | DNA |
| 17.10.1975 | Giro d'Italia | 515 | #911 460 9087 | Alméras / Alméras | Almeras Freres Defense Mondiale | DNA |
| 19.10.1975 | Zolder [GT/T+2.0] | 7 | | Gerhard Holup | Gerhard Holup | 3rd |
| 19.10.1975 | Zolder [GT/T+2.0] | 8 | | Anton Stocks | Anton Stocks | DNA |
| 19.10.1975 | Zolder [GT/T+2.0] | 11 | #911 460 9078 | Eberhard Sindel | Rallyegemeinschaft Ulm e. V. im ADAC | 6th |
| 19.10.1975 | Zolder [GT/T+2.0] | 12 | | Jürgen Kannacher | Porsche Kannacher | 5th |
| 19.10.1975 | Zolder [GT/T+2.0] | 14 | | Rolf Rosenkranz | Porsche Kannacher | DNA |
| 19.10.1975 | Zolder [GT/T+2.0] | 15 | | | Porsche Kannacher | DNA |
| 19.10.1975 | Zolder [GT/T+2.0] | 17 | | Hermann Dahmen | Hermann Dahmen | 9th |
| 19.10.1975 | Zolder [GT] | 75 | | Harald Reimann | Tebernum-Racing-Team | 8th |
| 19.10.1975 | Zolder [GT] | 80 | | Gerhard Holup | Gerhard Holup | DNA |
| 19.10.1975 | Zolder [GT] | 81 | | Anton Stocks | Anton Stocks | 1st |
| 19.10.1975 | Zolder [GT] | 88 | #911 460 9078 | Eberhard Sindel | Rallyegemeinschaft Ulm e.V. im ADAC | 3rd |
| 19.10.1975 | Zolder [GT] | 89 | | Peter Hähnlein | Porsche Kannacher | 7th |
| 19.10.1975 | Zolder [GT] | 90 | | Rolf Rosenkranz | Porsche Kannacher | DNA |
| 19.10.1975 | Zolder [GT] | 91 | | Jürgen Kannacher | Porsche Kannacher | 2nd |
| 19.10.1975 | Zolder [GT] | 92 | | Richard Leder | Richard Leder | DNA |
| 19.10.1975 | Zolder [GT/T+2.0] | | #911 560 9121 | Clemens Schickentanz | Tebernum-Porsche-Racing-Team | 2nd |
| 19.10.1975 | Zolder [GT/T+2.0] | | #911 560 9117 | Hans Heyer | Hans Heyer | 1st |