PORSCHE RACING HISTORYDieter Benz (D)
1969 : Targa Florio - 3rd in class
4 May 1969 - Targa Florio - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 88 | Porsche 911 S | GT2.0 | Eberhard Sindel (D)/Dieter Benz (D) | Rallye Gemeinschaft Ulm (D) | 13th | 3rd | 9 laps |
1 June 1969 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 101 | Porsche 911 S | GT2.0 | Eberhard Sindel (D)/Dieter Benz (D) | Rallyegemeinschaft Ulm (D) | 30th | 6th | 53rd | 34 laps |