PORSCHE RACING HISTORYGünther Steckkönig (D)
1970 : Nürburgring 1000 km - 3rd in class : Zeltweg 1000 km - 1st in class
31 May 1970 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 93 | Porsche 914/6 | 914 043 0258 | GT2.0 | Peter Kaiser (D)/Günther Steckkönig (D) | Hahn Motorfahrzeuge (D) | 20th | 3rd | 36th | 36 laps |
11 October 1970 - Zeltweg 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 914/6 | 914 043 0163 | GT2.0 | Günther Steckkönig (D)/Ferfried von Hohenzollern (D) | Strähle KG | 12th | 1st | 23rd | 139 laps |