PORSCHE RACING HISTORYPorsche 904 GTS - Chassis No. 904-006
26 April 1964 - Targa Florio - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 84 | Porsche 904 GTS | 904-006 | GT2.0 | Gianni Balzarini (I)/Herbert Linge (D) | Porsche System Engineering (D) | 2nd | 2nd | 10 laps |
31 May 1964 - Nürburgring 1000 km - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 46 | Porsche 904 GTS | 904-006 | GT2.0 | Herbert Linge (D)/Gerhard Mitter (D) | Porsche Werk (D) | 12th | 7th | 11th | 41 laps |
22 June 1964 - Le Mans 24 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 31 | Porsche 904 GTS | 904-006 | GT2.0 | Gerhard Koch (D)/Heinz Schiller (CH) | Porsche System Engineering (D) | 10th | 4th | 30th | 319 laps |