2 February 1975 - Daytona 24 Hours - World Championship for Makes

Peter Gregg & Hurley Haywood win in a Porsche 911 Carrera RSR

23 March 1975 - Mugello 1000 Km - World Championship for Makes

Herbert Müller & Gijs van Lennep third in a Porsche 908/03 Turbo

6 April 1975 - Dijon 800 Km - World Championship for Makes

Reinhold Joest & Mario Casoni second in a Porsche 908/03 Turbo

13 April 1975 - Interserie Hockenheim Jim Clark - Interserie

Herbert Müller wins in a Porsche 917/30

13 April 1975 - DARM Hockenheim [GT+2.0/T+2.0] - DARM - Deutscher Automobil-Rundstrecken-Pokal

Reinhardt Stenzel second overall and wins GT+2.0 Class, 0.3s behind the winning BMW 3.0 CSL driven by Harald Grohs

20 April 1975 - Monza 1000 Km - World Championship for Makes

Reinhold Joest & Mario Casoni 2nd in a Porsche 908/03 Turbo

4 May 1975 - Spa 1000 Km - World Championship for Makes

Claude Haldi & Bernard Béguin win GT class and 4th overall

18 May 1975 - Coppa Florio - World Championship for Makes

Reinhold Joest & Mario Casoni 3rd in a Porsche 908/03 Turbo

1 June 1975 - Nürburgring 1000 Km - World Championship for Makes

Herbert Müller & Leo Kinnunen third in a Porsche 908/03 Turbo

8 June 1975 - DRM Hockenheim Rhein-Pokal - DRM - Deutsche Rennsport Meisterschaft

Helmut Kelleners 3rd in a Porsche 911 Carrera RSR

15 June 1975 - Le Mans 24 Hours - Non Championship Race

Reinhold Joest, Mario Casoni & Jürgen Barth 4th in a Porsche 908/03

15 June 1975 - Interserie Mainz-Finthen - Interserie

Herbert Müller wins in a Porsche 908/03 Turbo

29 June 1975 - Zeltweg 1000 km - World Championship for Makes

Reinhold Joest & Mario Casoni 3rd in a Porsche 908/03 Turbo

29 June 1975 - European GT Championship Norisring - European Championship for Grand Touring Cars

John Fitzpatrick wins in a Porsche Carrera RSR

20 July 1975 - Interserie Hockenheim Südwestpokal - Interserie

Reinhold Jöst second in a Porsche 908/03

20 July 1975 - Targa Florio - Non Championship Race

Raffaele Restivo & Alfonso Merendino 3rd overall and win GT+2.0 class in a Porsche 911 Carrera RSR

20 July 1975 - Diepholz [GT] - Non Championship Race

Cees Sievertsen wins in a Porsche 911 Carrera RSR

20 July 1975 - DRM Diepholz - DRM - Deutsche Rennsport Meisterschaft

Bob Wollek wins in a Porsche 911 Carrera RSR

17 August 1975 - Interserie Kassel-Calden - Interserie

Herbert Müller wins Div.I class and third overall in a Porsche 906/03

17 August 1975 - DRM Kassel-Calden - DRM - Deutsche Rennsport Meisterschaft

Bob Wollek second in a Porsche 911 Carrera RSR, 0.6s behind the winning BMW 3.0 CSL driven by Albrecht Krebs

24 August 1975 - Interserie Zandvoort - Interserie

Tim Schenken wins in a Porsche 917/10

31 August 1975 - Zolder [Sports] - Non Championship Race

Jürgen Neuhaus wins in a Porsche 908/03

31 August 1975 - DRM Hockenheim Preis der Nationen - DRM - Deutsche Rennsport Meisterschaft

John Fitzpatrick second in a Porsche 911 Carrera RSR, 2.2sec behind the winning Ford Capri RS 3100 driven by Klaus Ludwig

7 September 1975 - Interserie Nürburgring Supersprint - Interserie

Tim Schenken wins in a Porsche 917/10

7 September 1975 - Supersprint Nürburgring - Non Championship Race

Bob Wollek wins in a Porsche 911 Carrera RSR

28 September 1975 - Interserie Hockenheim Preis von Baden-Württemberg - Interserie

Tim Schenken wins in a Porsche 917/10

28 September 1975 - Monza 6 Hours - Non Championship Race

Hartwig Bertrams, Bengt Ekberg & Clemens Schickentanz win in a Porsche 911 Carrera RSR

28 September 1975 - DRM Hockenheim Preis von Baden-Württemberg - DRM - Deutsche Rennsport Meisterschaft

Helmut Kelleners second in a Porsche 911 Carrera RSR, 27s behind the winning Ford Capri Rs driven by Klaus Ludwig

19 October 1975 - Zolder [GT/T+2.0] - Non Championship Race

Hans Heyer wins in a Porsche 911 carrera RSR

29 November 1975 - Rheintal Hockenheim [GT] - Non Championship Race

Cees Sievertsen wins in a Porsche 911 Carrera RSR