PORSCHE RACING HISTORY911
1966 1967 1968 1969 1970 1971 1973 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990
1973
4 February 1973 - Daytona 24 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 31 | Porsche 911 | GT+2.0 | Jim Locke (USA)/Bob Bailey (USA) | Locke Development Corporation (USA) | DNF | 29th | 387 laps |
24 March 1973 - Sebring 12 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 95 | Porsche 911 | GTU | George Dickinson (USA)/Eddie Wachs (USA)/Ernest Pultz (USA) | G. W. Dickinson | 41st | 13th | 24th | 125 laps - DNF |
1 April 1973 - Nürburgring 300 Km - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 117 | Porsche 911 | GT3.0 | Horst Sasse (D) | Horst Sasse (D) | 10th | 6th | 14 laps | ||
| 153 | Porsche 911 | GT2.0 | Peter Kuhlmann (D) | Peter Kuhlmann (D) | DNF |
29 April 1973 - DRM Nürburgring Eifelrennen - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 21 | Porsche 911 | Div I | Horst Sasse (D) | Hasselbecker Racing-Team (D) | 17th | 13th | 118th | 6 laps | |
| 62 | Porsche 911 | Div II | Rudi Hülskamp (D) | Team Europa Möbel (D) | DNF | 119th | 1 lap |
13 May 1973 - Targa Florio - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 111 | Porsche 911 | GT+2.0 | Marco Micangeli (I)/Mario Radicella (I) | Mario Radicella | DNF | 44th | 0 laps | ||
| 114 | Porsche 911 | GT+2.0 | Salvatore Patamia (I)/ Carab (I) | Salvatore Patamia | DNF | 56th | 0 laps |
1 July 1973 - DRM Mainz-Finthen - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 | Div.I | Dieter Götting (D) | Autohaus Kaufmann (D) | 7th | 7th | 16th | 37 laps | ||
| Porsche 911 | Div.I | Peter Hähnlein (D) | Peter Hähnlein (D) | 8th | 8th | 19th | 36 laps | ||
| Porsche 911 | Div.II | Reinhold Ernst (D) | Reinhold Ernst (D) | 12th | 12th | 21st | 37 laps | ||
| Porsche 911 | Div.II | Dieter Franke (D) | Sixtant-Racing Team (D) | DNF | 22nd | 7 laps |
15 July 1973 - DRM Diepholz - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 | Div.I | Jürgen Krzikalla (D) | Scuderia Avus (D) | 11th | 16th | 35 laps |