PORSCHE RACING HISTORY356 B Carrera 2000 GS/GT
1964
26 April 1964 - Targa Florio - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 74 | Porsche 356B Carrera 2000 GS/GT | 356-122 991 | GT2.0 | Günther Klass (D)/Jochen Neerpasch (D) | Porsche System Engineering (D) | 7th | 3rd | 10 laps | |
| 92 | Porsche 356B Carrera 2 Reutter | GT2.0 | " Ben Hur" (I)/" The Tortoise" (I) | "Ben Hur" (I) | DNF | 0 laps - Piston |
31 May 1964 - Nürburgring 1000 km - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 36 | Porsche 356B Carrera 2000 GS/GT | 356-122 991 | GT1.6 | Günther Klass (D)/Sepp Greger (D) | Günther Klass (D) | 15th | 3rd | 29th | 41 laps |