Results
Below are the race results of Porsche 917s in World Championship of Makes races over the years of 1969, 1970 and 1971.
1969
| 10th Aug : Austrian 1,000Kms Osterrichring | |||
| 1st | J Siffert / K Ahrens | 917K 4.5Ltr | K von Wendt |
| 3rd | R Attwood / B Redman | 917K 4.5Ltr | |
1970
| 1st Feb : Daytona 24 Hours, Florida | |||
| 1st | P Rodriguez / L Kinnunen | 917K 4.5Ltr | JW Automotive (Gulf) |
| 2nd | J Siffert / K Ahrens | 917K 4.5Ltr | |
| 22nd Mar : Sebring 12 Hours, Florida | |||
| 4th | P Rodriguez / L Kinnunen | 917K 4.5Ltr | JW Automotive (Gulf) |
| 12th Apr : BOAC 1,000kms , Brands Hatch | |||
| 1st | P Rodriguez / L Kinnunen | 917K 4.5Ltr | JW Automotive (Gulf) |
| 2nd | V Elford / D Hulme | 917K 4.5Ltr | |
| 3rd | R Attwood / H Herrmann | 917K 4.5Ltr | |
| 25th Apr : Monza 1,000kms , Italy | |||
| 1st | P Rodriguez / L Kinnunen | 917K 4.5Ltr | JW Automotive (Gulf) |
| 17th May : Spa 1,000kms, Francorchamps | |||
| 1st | J Siffert/ B Redman | 917K 4.9Ltr | JW Automotive (Gulf) |
| 2nd | V Elford / K Ahrens | 917K 4.5Ltr | JW Automotive (Gulf) | 13th/14th Jun : Le Mans 24 Hours, Sarthe |
| 1st | H Herrmann / R Attwood | 917K 4.5Ltr | Porsche Salzberg |
| 2nd | G Larrousse / W Kauhsen | 917 Langheck 4.5Ltr | 11th Jul : Watkins Glen 6 Hours, USA |
| 1st | P Rodriguez / L Kinnunen | 917K 4.9Ltr | JW Automotive (Gulf) |
| 2nd | J Siffert/ B Redman | 917K 4.9Ltr | |
| 4th | D Hulme / V Elford | 917K 4.9Ltr | 11th Oct : Austrian 1,000 Kms, Osterreichring |
| 1st | J Siffert / B Redman | 917K 4.9Ltr | JW Automotive (Gulf) |
| 4th | V Elford / R Attwood | 917K 4.9Ltr | |
| 2nd | J Siffert/ B Redman | 917K 4.9Ltr | |
1971
| 10th Jan : Buenos Aires 1,000kms , Argentina | |||
| 1st | J Siffert / D Bell | 917K 4.9Ltr | JW Automotive (Gulf) |
| 1st | P Rodriguez / J Oliver | 917K 4.9Ltr | |
| 31st Jan : Daytona 24 Hours, Florida | |||
| 1st | P Rodriguez / J Oliver | 917K 4.0Ltr | JW Automotive (Gulf) |
| 20th Mar : Sebring 12 Hours, Florida | |||
| 1st | V Elford / G Larrousse | 917K 4.9Ltr | Martini Racing |
| 4th | P Rodriguez / J Oliver | 917K 4.9Ltr | 4th Apr : BOAC 1,000kms , Brands Hatch |
| 3rd | J Siffert / D Bell | 917K 5.0Ltr | Martini Racing | 25th Apr : Monza 1,000kms , Italy |
| 1st | P Rodriguez / J Oliver | 917K 5.0Ltr | JW Automotive (Gulf) |
| 2nd | J Siffert / D Bell | 917K 5.0Ltr | 9th May : Spa 1,000kms, Francorchamps |
| 1st | P Rodriguez / J Oliver | 917K 5.0Ltr | JW Automotive (Gulf) |
| 2nd | J Siffert/ D Bell | 917K 5.0Ltr | |
| 4th | W Kauhsen / R Jost | 917K 4.5Ltr | 12/13th Jun : Le Mans 24 Hours, Sarthe |
| 1st | H Marko / G van Lennep | 917K 4.9Ltr | Martini Racing |
| 2nd | R Attwood / H Muller | 917K 4.9Ltr | 27th Jun : Austrian 1,000kms , Osterreichring |
| 1st | P Rodriguez / R Attwood | 917K 5.0tr | JW Automotive (Gulf) | 24th Jul : Watkins Glen 6 Hours, USA |
| 2nd | J Siffert / G van Lennep | 917K 5.0tr | |
| 3rd | D Bell / R Attwood | 917K 5.0tr | |