PORSCHE RACING HISTORYHerbert Müller (CH)
1964 : Nürburgring 1000 km - 2nd in class
26 April 1964 - Targa Florio - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 72 | Porsche 904 GTS | 904-046 | GT2.0 | Herbert Müller (CH)/Bernhard Rayers (D) | Scuderia Filipinetti (CH) | DNF | 9 laps - Engine |
31 May 1964 - Nürburgring 1000 km - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 55 | Porsche 904 GTS | 904-079 | GT2.0 | Herbert Müller (CH)/André Knörr (CH) | Ecurie Filipinetti (CH) | 6th | 2nd | 26th | 42 laps |
22 June 1964 - Le Mans 24 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 35 | Porsche 904 GTS | 904-079 | GT2.0 | Herbert Müller (CH)/Claude Sage (CH) | Scuderia Filipinetti (CH) | 11th | 5th | 29th | 315 laps |
5 July 1964 - Reims 12 Hours - World Sports Car Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 38 | Porsche 904 GTS | 904-079 | GT2.0 | Herbert Müller (CH)/André Knörr (CH) | Scuderia Filipinetti (CH) | 12th | 5th | 21st | 262 laps |