PORSCHE RACING HISTORYWilhelm Bartels (D)
1976 : Daytona 24 Hours - 1st in class : Mugello 6 Hours - 3rd in class
1 February 1976 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 12 | Porsche 911 Carrera RSR | Gr.5 | Dieter Schmid (D)/Wilhelm Bartels (D)/Heinz Martin (D)/Egon Evertz (D) | Sepp Greger | 12th | 1st | 35th | 475 laps |
21 March 1976 - Mugello 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 23 | Porsche 911 Carrera RSR | 911 460 9116 | Gr.5 | Reinhold Jöst (D)/Jürgen Barth (D)/Wilhelm Bartels (D) | Joest Racing (D) | 4th | 3rd | 9th | 161 laps |