| 1955 | 37 | (Dr Ing hcF) Porsche KG | Porsche 550/4 RS 1500 Spyder | 1101-1500 | Dunlop | 4. | 1. | Finished | 284 | Helmut Polensky / Richard Von Frankenberg |
| 1955 | 37T | (Dr Ing hcF) Porsche KG | Porsche 550/4 RS 1500 Spyder | 1101-1500 | — | — | — | Reserve car | 0 | — |
| 1955 | 38 | Walter Ringgenberg | Porsche 550/4 Spyder | 1101-1500 | Dunlop | — | — | Retired | 65 | Walter Ringgenberg / Hans-Jörg Gilomen |
| 1955 | 62 | (Dr Ing hcF) Porsche KG | Porsche 550/4 RS 1500 Spyder | 1101-1500 | Dunlop | 6. | 3. | Finished | 273 | Helm Glöckler / Jaroslav Juhan |
| 1955 | 66 | Equipe Nationale Belge / Gonzague Olivier (B/F) | Porsche 550/4 RS 1500 Spyder | 1101-1500 | Dunlop | 5. | 2. | Finished | 275 | Wolfgang Seidel / Olivier Gendebien |
| 1956 | 24 | (Dr Ing hcF) Porsche KG | Porsche RS 550 A/4 | 1101-1500 | Continental | — | — | Retired | 136 | Umberto Maglioli / Hans Herrmann |
| 1956 | 25 | (Dr Ing hcF) Porsche KG | Porsche RS 550 A/4 Coupe | 1101-1500 | Continental | 5. | 1. | Finished | 282 | Richard Von Frankenberg / Wolfgang Von Trips |
| 1956 | 25R | (Dr Ing hcF) Porsche KG | Porsche RS 550 | 1101-1500 | Continental | — | — | Reserve car | 0 | — |
| 1956 | 25T | (Dr Ing hcF) Porsche KG | Porsche RS 550 A/4 | 1101-1500 | Continental | — | — | Reserve car | 0 | — |
| 1956 | 26 | (Dr Ing hcF) Porsche KG | Porsche 356 Carrera 1500 | 1101-1500 | Continental | — | — | Retired | 61 | Max Nathan / Helm Glöckler |
| 1956 | 27 | Wolfgang Seidel | Porsche 550/4 RS | 1101-1500 | Continental | — | — | Retired | 48 | Mathieu Hezemans / Carel Godin de Beaufort |
| 1956 | 28 | Gustave Olivier | Porsche 550/4 Spyder | 1101-1500 | Dunlop | — | — | Retired | 45 | Claude Storez / Helmut Polensky |
| 1957 | 32 | (Dr Ing hcF) Porsche KG | Porsche 718 RSK | 1101-1500 | Continental | — | — | Retired | 129 | Umberto Maglioli / Edgar Barth |
| 1957 | 33 | (Dr Ing hcF) Porsche KG | Porsche 550a RS | 1101-1500 | Continental | — | — | Retired | 87 | Hans Herrmann / Richard Von Frankenberg |
| 1957 | 34 | (Dr Ing hcF) Porsche KG | Porsche 550a RS | 1101-1500 | Continental | — | — | Retired | 275 | Claude Storez / Edward Crawford |
| 1957 | 35 | Ed Hugus | Porsche 550a RS | 1101-1500 | Continental | 8. | 1. | Finished | 286 | Ed Hugus / Carel Godin de Beaufort |
| 1957 | 36 | Maurice Slotine | Porsche 356a | 1101-1500 | Dunlop | — | — | Retired | 26 | Maurice Slotine / Roland Bourel |
| 1957 | 60 | Equipe Nationale Belge | Porsche 550a RS | 1501-2000 | Englebert | — | — | Retired | 70 | Claude Dubois / Georges Hacquin |
| 1958 | 31 | (Dr Ing hcF) Porsche KG | Porsche 718 RSK | 1101-1500 | Continental | 4. | 1. | Finished | 289 | Edgar Barth / Paul Frère |
| 1958 | 32 | Baron Carel Godin de Beaufort | Porsche 550a RS | 1101-1500 | Continental | 5. | 2. | Finished | 287 | Carel Godin de Beaufort / Herbert Linge |
| 1958 | 34 | Jean-Paul Colas | Porsche 550a RS | 1101-1500 | Continental | 10. | 3. | Finished | 254 | Jacques Dewez / Jean Kerguen |
| 1959 | 34 | (Dr Ing hcF) Porsche KG | Porsche 718 RSK | S | Continental | — | — | Retired | 168 | Edgar Barth / Wolfgang Seidel |
| 1959 | 35 | Jean Kerguen | Porsche 550 RS | S | Dunlop | — | — | Retired | 229 | Jean Kerguen / Robert La Caze |
| 1959 | 36 | Baron Carel Godin de Beaufort | Porsche 718 RSK | S | Dunlop | — | — | Retired | 186 | Carel Godin de Beaufort / Christian Bino Heins |
| 1959 | 37 | Ed Hugus | Porsche 718 RSK | S | Continental | — | — | Retired | 240 | Ed Hugus / Ernie Erickson |
| 1960 | 39 | (Dr Ing hcF) Porsche KG | Porsche 718 Rs60 | S | Dunlop | 11. | 6. | Finished | 264 | Edgar Barth / Wolfgang Seidel |