PORSCHE RACING HISTORY1971 - Can-Am Mid-Ohio
22 August 1971 - Mid-Ohio Sports Car Course, USA
Jo Siffert 2nd overall in a Porsche 917/10
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 20 | Porsche 917/10 | 917/10-002 | Jo Siffert (CH) | STP Porsche Audi | 2nd | 4th | 78 laps | ||
| 0 | Porsche 917 PA | 917-028 | Milt Minter (USA) | Vasek Polak Racing | 6th | 12th | 75 laps | ||
| 87 | Porsche 908/02 | 908/02-015 | Steve Matchett (USA) | A. G. Dean | 9th | 25th | 70 laps |
Can-Am - Canadian-American Challenge Cup
Previous 1971 - Can-Am Watkins Glen Next 1971 - Can-Am Road America