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| www.QV500.com -Porsche 911 2.8 Carrera RSR - 1973 European GT Championship |
| Rd. | Race | Drivers | Team | H1 / H2 | Overall |
| 1 | Nurburgring | Ballot-Lena | Sonauto | 1 / 2 | 1st |
| Haldi | Porsche Club Romand | 2 / 4 | 2nd | ||
| Fitzpatrick | Porsche Kremer Racing | R / 1 | DNF | ||
| Schickentanz | Porsche Kremer Racing | R / 3 | DNF | ||
| Steckkonig | Weismann | R / - | DNF | ||
| 2 | Montlhery | Ballot-Lena | Sonauto | 1 / 2 | 1st |
| Schickentanz | Porsche Kremer Racing | 2 / 1 | 2nd | ||
| Bonomelli | Ennio Bonomelli | 4 / 3 | 3rd | ||
| Fitzpatrick | Porsche Kremer Racing | 3 / R | DNF | ||
| Haldi | Porsche Club Romand | ? / ? | DNF | ||
| 3 | Imola | Schickentanz | Porsche Kremer Racing | 2 / 2 | 2nd |
| Ballot-Lena | Sonauto | 3 / 3 | 3rd | ||
| Haldi | Porsche Club Romand | 7 / 6 | 6th | ||
| Geeraerts | Royal Air Maroc | ? / ? | 7th | ||
| Larsson | Team Kubero | 5 / ? | DNF | ||
| Bonomelli | Ennio Bonomelli | R / - | DNF | ||
| 4 | Nivelles | Schickentanz | Porsche Kremer Racing | 1 / 1 | 1st |
| Ballot-Lena | Sonauto | 3 / 2 | 2nd | ||
| Ekberg | Team Kubero | 2 / 4 | 3rd | ||
| Haldi | Porsche Club Romand | 6 / 3 | 4th | ||
| Geeraerts | Royal Air Maroc | 4 / 5 | 5th | ||
| Vollery | ? | ? / ? | 7th | ||
| Bonomelli | Ennio Bonomelli | R / - | DNF | ||
| 5 | Estoril | Keller | Porsche Kremer Racing | 1 / 2 | 1st |
| Schickentanz | Porsche Kremer Racing | 2 / 1 | 2nd | ||
| Haldi | Porsche Club Romand | 3 / 3 | 3rd | ||
| Ballot-Lena | Sonauto | 6 / 4 | 4th | ||
| Simonsen | Team Kubero | 5 / 5 | 5th | ||
| Larsson | Team Kubero | 9 / 8 | 8th | ||
| ? | Rulon-Miller | MHSCC | 10 / 9 | 10th | |
| ? | Bolomey | ? | ? / ? | 11th | |
| Geeraerts | Royal Air Maroc | 8 / R | DNF | ||
| 6 | Thruxton | Ballot-Lena | Sonauto | - | 1st |
| Haldi | Porsche Club Romand | - | 2nd | ||
| Schickentanz | Porsche Kremer Racing | - | 3rd | ||
| Keller | Porsche Kremer Racing | - | 4th | ||
| Simonsen | Team Kubero | - | 5th | ||
| Cheneviere | Porsche Club Romand | - | 6th | ||
| Vollery | ? | - | 7th | ||
| Kiemele | ? | - | 8th | ||
| Geeraerts | Royal Air Maroc | - | 9th | ||
| 7 | Hockenheim | Schickentanz | Porsche Kremer Racing | 2 / 4 | 2nd |
| Haldi | Porsche Club Romand | 3 / 2 | 3rd | ||
| Ballot-Lena | Sonauto | 4 / 3 | 4th | ||
| Ekberg | Team Kubero | 5 / 5 | 5th | ||
| Bonomelli | Ennio Bonomelli | 6 / 6 | 6th | ||
| Simonsen | Team Kubero | ? | 7th | ||
| Geeraerts | Royal Air Maroc | ? | 8th | ||
| Leder | ? | ? | 9th | ||
| Hofer | ? | ? | 10th | ||
| Loos | Gelo Racing | ? | 11th | ||
| Lundgardh | ? | ? | 12th | ||
| Peter | ? | ? | 13th | ||
| Kiemele | ? | ? | 14th | ||
| Vollery | ? | ? | 15th | ||
| Keller | Porsche Kremer Racing | R / - | DNF | ||
| Steckkonig | Weismann | R / - | DNF | ||
| 8 | Monza 6 Hours | Keller/Kremer Schickentanz |
Porsche Kremer Racing | - | 1st |
| Kremer/Neuhaus | Porsche Kremer Racing | - | 2nd | ||
| Bori/Schon | ? | - | 4th | ||
| Ballot-Lena/Geeraerts | Sonauto | - | 5th | ||
| Bonomelli/Fischhaber | ? | - | 6th | ||
| Vollery/Zbinden | Porsche Club Romand | - | 7th | ||
| Cheneviere/Haldi | Porsche Club Romand | - | DNF | ||
| 9 | Tour de France | Almeras/Mas | Almeras | - | 2nd |
| Ballot-Lena/Morenas | Sonauto | - | DNF | ||
| Frequelin/Gelin | ? | - | DNF | ||