PORSCHE RACING HISTORYHans Hargarten (D)
1973 : Nürburgring 300 Km - 2nd in class : DRM Nürburgring Eifelrennen - 2nd in class
1 April 1973 - Nürburgring 300 Km - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 142 | Porsche 911 S | GT2.0 | Hans Hargarten (D) | Hans Hargarten (D) | 7th | 2nd | 14 laps |
29 April 1973 - DRM Nürburgring Eifelrennen - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 69 | Porsche 911 S | Div II | Hans Hargarten (D) | Hans Hargarten (D) | 15th | 2nd | 109th | 6 laps |
1 July 1973 - DRM Mainz-Finthen - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 S | Div.II | Hans Hargarten (D) | Hans Hargarten (D) | DNF | 11th | 6 laps |
19 August 1973 - DRM Kassel-Calden - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 59 | Porsche 911 S | Div.I | Hans Hargarten (D) | Hans Hargarten (D) | 36 laps |
9 September 1973 - DRM Norisring - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 37 | Porsche 911 S | Div.II | Hans Hargarten (D) | 6th | 6th | 10th | 42 laps |
7 October 1973 - DRM Sauerland Hill Climb - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 S | Div.II | Hans Hargarten (D) | Hans Hargarten (D) | 20th | 10th | 109th | 4:22.420 |