PORSCHE RACING HISTORY917 K
1971
10 January 1971 - Buenos Aires 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 30 | Porsche 917 K | 917-014 | S | Jo Siffert (CH)/Derek Bell (GB) | J. W. Automotive (GB) | 1st | 1st | 3rd | 165 laps |
| 32 | Porsche 917 K | 917-015 | S | Pedro Rodríguez (MEX)/Jackie Oliver (GB) | J. W. Automotive (GB) | 2nd | 2nd | 1st | 164 laps |
| 34 | Porsche 917 K | 917-025 | S | Dominique Martin (CH)/Pablo Bréa (RA) | Zitro Racing | 10th | 7th | 18th | 145 laps |
| 48 | Porsche 917 K | 917-022 | S | Reinhold Jöst (D)/Angel Monguzzi (RA) | Team Auto Usdau (CH) | DNF | 13th | 85 laps - Engine | |
| 38 | Porsche 917 K | 917-023 | S | Vic Elford (GB)/Gérard Larrousse (F) | Martini International Racing Team | DSQ | 4th | 65 laps - Assistance | |
| 28 | Porsche 917 K | 917-018 | S | Emerson Fittipaldi (BR)/Carlos Reutemann (RA) | Escuderia Nacional CS (E) | DNF | 11th | 43 laps - Clutch | |
| 36 | Porsche 917 K | 917-019 | S | Helmut Marko (A)/Gijs van Lennep (NL) | Martini International Racing Team (D) | DNF | 10th | 2 laps - Engine |
31 January 1971 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 917 K | 917-034 | S | Pedro Rodríguez (MEX)/Jackie Oliver (GB) | J. W. Automotive Engineering (GB) | 1st | 1st | 2nd | 688 laps |
| 3 | Porsche 917 K | 917-019 | S | Helmut Marko (A)/Rudi Lins (A) | Martini & Rossi Racing Team (D) | DNF | 12th | 462 laps - Accident | |
| 4 | Porsche 917 K | 917-023 | S | Vic Elford (GB)/Gijs van Lennep (NL) | Martini & Rossi Racing Team (D) | DNF | 11th | 274 laps - Accident | |
| 1 | Porsche 917 K | 917-004 | S | Jo Siffert (CH)/Derek Bell (GB) | J. W. Automotive Engineering (GB) | DNF | 4th | 113 laps - Engine |
20 March 1971 - Sebring 12 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 917 K | 917-020 | S | Vic Elford (GB)/Gérard Larrousse (F) | Martini & Rossi Racing (D) | 1st | 1st | 4th | 260 laps |
| 2 | Porsche 917 K | 917-009 | S | Pedro Rodríguez (MEX)/Jackie Oliver (GB) | J. W. Automotive Engineering Ltd. (GB) | 4th | 2nd | 3rd | 248 laps |
| 1 | Porsche 917 K | 917-031 | S | Jo Siffert (CH)/Brian Redman (GB) | J. W. Automotive Engineering Ltd. (GB) | 5th | 3rd | 6th | 244 laps |
4 April 1971 - Brands Hatch 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 917 K | 917-014 | S5.0 | Jo Siffert (CH)/Derek Bell (GB) | John Wyer Automotive (GB) | 3rd | 1st | 3rd | 235 laps |
| 10 | Porsche 917 K | 917-022 | S5.0 | Reinhold Jöst (D)/Willi Kauhsen (D) | Team Auto Usdau | 6th | 4th | 12th | 221 laps |
| 9 | Porsche 917 K | 917-023 | S5.0 | Gijs van Lennep (NL)/Gérard Larrousse (F) | Martini International Racing | 9th | 5th | 7th | 216 laps |
| 8 | Porsche 917 K | 917-019 | S5.0 | Vic Elford (GB)/Brian Redman (GB) | Martini International Racing | DNF | 5th | 104 laps - Fuel Tank | |
| 7 | Porsche 917 K | 917-015 | S5.0 | Pedro Rodríguez (MEX)/Jackie Oliver (GB) | John Wyer Automotive (GB) | DNF | 4th | 79 laps - Fuel System |
18 April 1971 - Le Mans Test - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 17 | Porsche 917 K | 917-052 | S5.0 | Jo Siffert (CH)/Derek Bell (GB)/Jackie Oliver (GB) | J. W. Automotive Engineering (GB) | 2nd | 2nd | ||
| 18 | Porsche 917 K | 917-016 | S5.0 | Jackie Oliver (GB)/Jo Siffert (CH)/Derek Bell (GB) | J. W. Automotive Engineering (GB) | 3rd | 3rd | ||
| 57 | Porsche 917 K | 917-025 | S5.0 | Dominique Martin (CH) | Zitro Racing Team/D. Martin | 9th | 7th |
25 April 1971 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 917 K | 917-013 | S5.0 | Pedro Rodríguez (MEX)/Jackie Oliver (GB) | J. W. Automotive (GB) | 1st | 1st | 5th | 174 laps |
| 1 | Porsche 917 K | 917-004 | S5.0 | Jo Siffert (CH)/Derek Bell (GB) | J. W. Automotive (GB) | 2nd | 2nd | 7th | 171 laps |
| 6 | Porsche 917 K | 917-022 | S5.0 | Willi Kauhsen (D)/Reinhold Jöst (D) | Team Auto Usdau (CH) | 7th | 4th | 14th | 164 laps |
| 5 | Porsche 917 K | 917-025 | S5.0 | Gérard Pillon (CH)/Dominique Martin (CH) | Zitro Racing Cars | 9th | 6th | 15th | 154 laps |
| 4 | Porsche 917 K | 917-019 | S5.0 | Helmut Marko (A)/Gijs van Lennep (NL) | Martini International Racing Team (D) | DNF | 12th | 60 laps - Throttle Linkage | |
| 3 | Porsche 917 K | 917-020 | S5.0 | Vic Elford (GB)/Gérard Larrousse (F) | Martini International Racing Team (D) | DNF | 1st | 44 laps - Throttle |
9 May 1971 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 21 | Porsche 917 K | 917-015 | S5.0 | Pedro Rodríguez (MEX)/Jackie Oliver (GB) | J. Wyer (GB) | 1st | 1st | 3rd | 71 laps |
| 20 | Porsche 917 K | 917-014 | S5.0 | Jo Siffert (CH)/Derek Bell (GB) | J. Wyer (GB) | 2nd | 2nd | 1st | 71 laps |
| 25 | Porsche 917 K | 917-022 | S5.0 | Willi Kauhsen (D)/Reinhold Jöst (D) | Usdau Team (CH) | 4th | 3rd | 7th | 66 laps |
| 22 | Porsche 917 K | 917-021 | S5.0 | Vic Elford (GB)/Gérard Larrousse (F) | Martini Team (NL) | DNF | 2nd | 31 laps - Handling | |
| 24 | Porsche 917 K | 917-025 | S5.0 | Dominique Martin (CH)/Gérard Pillon (CH) | Zitro Racing | DNF | 11th | 31 laps - Pincture/Accident | |
| 23 | Porsche 917 K | 917-019 | S5.0 | Helmut Marko (A)/Gijs van Lennep (NL) | Martini Team (D) | DNF | 4th | 6 laps - Engine |
30 May 1971 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 55 | Porsche 917 K | 917-022 | S5.0 | Reinhold Jöst (D)/Willi Kauhsen (D) | Team Auto Usdau (CH) | 6th | 1st | 10th | 40 laps |
13 June 1971 - Le Mans 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 22 | Porsche 917 K | 917-053 | S5.0 | Helmut Marko (A)/Gijs van Lennep (NL) | Martini International Racing (D) | 1st | 1st | 5th | 397 laps |
| 19 | Porsche 917 K | 917-031 | S5.0 | Richard Attwood (GB)/Herbert Müller (CH) | John Wyer Automotive Engineering (GB) | 2nd | 2nd | 11th | 395 laps |
| 57 | Porsche 917 K | 917-025 | S5.0 | Dominique Martin (CH)/Gérard Pillon (CH) | Zitro Racing Team (CH) | DNF | 18th | 228 laps - Gearbox |
24 July 1971 - Watkins Glen 6 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 917 K | 917-014 | S | Jo Siffert (CH)/Gijs van Lennep (NL) | J. W. Automotive Engineering (GB) | 2nd | 1st | 2nd | 277 laps |
| 2 | Porsche 917 K | 917-015 | S | Derek Bell (GB)/Richard Attwood (GB) | J. W. Automotive Engineering (GB) | 3rd | 2nd | 4th | 259 laps |
| 43 | Porsche 917 K | 917-010 | S | Tony Adamowicz (USA)/Mario Cabral (P) | David Piper Racing (GB) | NC | 11th | 191 laps |
25 July 1971 - Can-Am Watkins Glen - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 92 | Porsche 917 K | 917-015 | Gijs van Lennep (NL) | John Wyer Automotive (GB) | 9th | 8th | 78 laps | ||
| 93 | Porsche 917 K | 917-016 | Derek Bell (GB) | John Wyer Automotive (GB) | 11th | 15th | 77 laps | ||
| 91 | Porsche 917 K | 917-014 | Richard Attwood (GB) | John Wyer Automotive (GB) | 13th | 11th | 77 laps | ||
| 43 | Porsche 917 K | 917-010 | Mario Cabral (P) | David Piper Racing | 17th | 24th | 71 laps |
17 October 1971 - Paris 1000 km - Championnat de France des Circuits
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 917 K | 917-013 | Gr.5 | Derek Bell (GB)/Gijs van Lennep (NL) | J. W. Automotive (GB) | 1st | 1st | 3rd | 128 laps |
| 3 | Porsche 917 Spyder | 917-01-021 | Gr.6 | Gérard Larrousse (F)/Leo Kinnunen (FI) | A.A.W. (FIN) | 2nd | 1st | 6th | 123 laps |
| 5 | Porsche 917 Spyder | 917-007 | Gr.6 | Helmut Marko (A)/Michel Weber (D) | Gesipa Rivets (D) | 17th | 7th | 1st | 62 laps - Overheating |