PORSCHE RACING HISTORYChassis No. 914 143 0306
1 April 1973 - Nürburgring 300 Km - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 155 | Porsche 914/6 | 914 143 0306 | GT2.0 | Werner Christmann (D) | Werner Christmann (D) | 6th | 1st | 14 laps |
27 May 1973 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 65 | Porsche 914/6 | 914 143 0306 | GT+1.6 | Werner Christmann (D)/Helmut Hinse (D) | Werner Christmann (D) | DNS |
15 July 1973 - DRM Diepholz - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 914/6 | 914 143 0306 | Div.II | Werner Christmann (D) | Werner Christmann | 5th | 7th |
20 July 1975 - Diepholz [GT] - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 237 | Porsche 914/6 | 914 143 0306 | GT2.0 | Ulrich Mönninghoff (D) | Ulrich Mönninghoff (D) | ? | 3rd |
17 August 1975 - DRM Kassel-Calden - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 24 | Porsche 914/6 | 914 143 0306 | Div.II | Ulrich Mönninghoff (D) | Ulrich Mönninghoff (D) | 9th | 9th | 14th | 37 laps |