PORSCHE RACING HISTORYKurt Simonsen (S)
1973 : Nürburgring 300 Km - 3rd overall
1 April 1973 - Nürburgring 300 Km - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 123 | Porsche 911 S | GT3.0 | Kurt Simonsen (S) | Team Kuberol Racing (S) | 3rd | 3rd | 14 laps |
27 May 1973 - Nürburgring 1000 km - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 50 | Porsche 911 Carrera RSR | 911 360 1045 | GT+1.6 | Bengt Ekberg (S)/Kurt Simonsen (S)/Roland Larsson (S) | Team Kubero Racing (S) | 15th | 5th | 32nd | 37 laps |
8 July 1973 - European GT Championship Estoril - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 18 | Porsche 911 Carrera RSR | 911 360 1045 | GT3.0 | Kurt Simonsen (S) | Team Kubero (S) | 5th | 5th | 7th | 78 laps |
15 July 1973 - DRM Diepholz - DRM - Deutsche Rennsport Meisterschaft
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RSR | 911 360 1045 | Div.I | Kurt Simonsen (S) | 9th | 10th | 37 laps |
5 August 1973 - Euro GT Thruxton - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RSR | GT3.0 | Kurt Simonsen (S) | 5th | 5th | 38 laps |
2 September 1973 - Monza 6 Hours - European Championship for Grand Touring Cars
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| Porsche 911 Carrera RSR | GT3.0 | Roland Larsson (S)/Kurt Simonsen (S) | ? | 13th |