PORSCHE RACING HISTORYJo Siffert (CH)
1969 : Brands Hatch 6 Hours - 1st overall : Monza 1000 km - 1st overall : Spa 1000 km - 1st overall : Nürburgring 1000 km - 1st overall : Zeltweg 1000 km - 1st overall : Can-Am Bridgehampton - 3rd
2 February 1969 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 50 | Porsche 908 L | 908-025 | P3.0 | Jo Siffert (CH)/Hans Herrmann (D) | Porsche System Engineering (D) | DNF | 3rd | 415 laps - Camshaft Drive |
22 March 1969 - Sebring 12 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 31 | Porsche 908/02 | 908/02-005 | P3.0 | Jo Siffert (CH)/Brian Redman (GB) | Porsche System Engineering Ltd. (D) | DNF | 4th | 133 laps - Craked Chassis |
13 April 1969 - Brands Hatch 6 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 908/02 | 908/02-011 | P3.0 | Jo Siffert (CH)/Brian Redman (GB) | Porsche System Engineering Ltd. (D) | 1st | 1st | 1st | 227 laps |
25 April 1969 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 4 | Porsche 908 LH | 908-026 | P3.0 | Jo Siffert (CH)/Brian Redman (GB) | Porsche System Engineering (D) | 1st | 1st | 2nd | 100 laps |
11 May 1969 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 25 | Porsche 908 LH | 908-025 | P3.0 | Jo Siffert (CH)/Brian Redman (GB) | Porsche System Engineering (D) | 1st | 1st | 3rd | 71 laps |
11 May 1969 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 31 | Porsche 917 | 917-003 | S5.0 | Jo Siffert (CH)/Brian Redman (GB) | Porsche System Engineering (D) | DNS |
1 June 1969 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1T | Porsche 908/02 | 908/02-006 | P3.0 | Jo Siffert (CH)/Brian Redman (GB) | Porsche System Engineering Ltd. (D) | 1st | 1st | 1st | 44 laps |
15 June 1969 - Le Mans 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 20 | Porsche 908/02 LH | 908/02-028 | P3.0 | Jo Siffert (CH)/Brian Redman (GB) | Hart Ski Racing Team | DNF | 3rd | 60 laps - Gearbox |
13 July 1969 - Can-Am Watkins Glen - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 908/02 Spyder | 908/02-018 | Jo Siffert (CH) | Porsche of Austria | 6th | 10th | 82 laps |
10 August 1969 - Zeltweg 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 29 | Porsche 917 | 917-009 | S5.0 | Jo Siffert (CH)/Kurt Ahrens Jr. (D) | Karl Freiherr v. Wendt (D) | 1st | 1st | 4th | 170 laps |
17 August 1969 - Can-Am Mid-Ohio - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Jo Siffert (CH) | Porsche Audi | 4th | 7th | 79 laps |
31 August 1969 - Can-Am Road America - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Jo Siffert (CH) | Porsche Audi | DNF | 8th | 6 laps - Engine |
14 September 1969 - Can-Am Bridgehampton - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Jo Siffert (CH) | Porsche Audi | 3rd | 7th | 70 laps |
28 September 1969 - Can-Am Michigan - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Jo Siffert (CH) | Porsche Audi | 4th | 3rd | 64 laps |
12 October 1969 - Can-Am Laguna Seca - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Jo Siffert (CH) | Porsche Audi | 5th | 6th | 79 laps |
26 October 1969 - Can-Am Riverside - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Jo Siffert (CH) | Porsche Audi | DNF | 11th | 17 laps - Oil Leak |
9 November 1969 - Can-Am Texas - Can-Am - Canadian-American Challenge Cup
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 0 | Porsche 917 PA | 917-028 | Jo Siffert (CH) | Porsche Audi | 4th | 9th | 69 laps |