PORSCHE RACING HISTORYRolf Maritz (CH)
1979 : Brands Hatch 6 Hours - 1st in class
5 August 1979 - Brands Hatch 6 Hours - World Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 18 | Porsche 911 Carrera RSR | GT | Willi Spavetti (CH)/Enzo Calderari (CH)/Rolf Maritz (CH) | Ecurie Biennoise | 8th | 1st | 17th | 209 laps |