PORSCHE RACING HISTORYRolf Stommelen (D)
1968 : Daytona 24 Hours - 1st overall : Monza 1000 km - 2nd overall, 1st in class : Targa Florio - 3rd in class : Nürburgring 1000 km - 2nd overall : Spa 1000 km - 3rd overall, 2nd in class : Le Mans 24 Hours - 3rd overall, 2nd in class
4 February 1968 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 54 | Porsche 907 LH 2.2 | 907-005 | P | Vic Elford (GB)/Jochen Neerpasch (D)/Rolf Stommelen (D)/Jo Siffert (CH) | Porsche Works Team (D) | 1st | 1st | 5th | 673 laps - Hans Hermann also drove |
4 February 1968 - Daytona 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 53 | Porsche 907 LH 2.2 | 907-006 | P | Gerhard Mitter (D)/Rolf Stommelen (D) | Porsche Works Team (D) | DNF | 3rd | 104 laps - Accident |
23 March 1968 - Sebring 12 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 48 | Porsche 907 2.2 | 907-023 | P3.0 | Gerhard Mitter (D)/Rolf Stommelen (D) | Porsche Automobile Co. (D) | DNF | 5th | 46 laps - Con Rod |
25 April 1968 - Monza 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 907 LH 2.2 | 907-005 | P3.0 | Rolf Stommelen (D)/Jochen Neerpasch (D) | Porsche System Enginnering (D) | 2nd | 1st | 7th | 100 laps |
5 May 1968 - Targa Florio - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 226 | Porsche 907 2.2 | 907-029 | P3.0 | Jo Siffert (CH)/Rolf Stommelen (D) | Porsche System Engineering (D) | 18th | 3rd | 9 laps |
19 May 1968 - Nürburgring 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 65 | Porsche 907 2.2 | 907-032 | P3.0 | Hans Herrmann (D)/Rolf Stommelen (D) | Porsche (D) | 2nd | 2nd | 1st | 44 laps |
26 May 1968 - Spa 1000 km - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 908 | 908-011 | P3.0 | Hans Herrmann (D)/Rolf Stommelen (D) | Porsche System Engineering (D) | 3rd | 2nd | 5th | 69 laps |
29 September 1968 - Le Mans 24 Hours - International Championship for Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 33 | Porsche 908 | 908-013 | P3.0 | Rolf Stommelen (D)/Jochen Neerpasch (D) | Porsche System Engineering (D) | 3rd | 2nd | 2nd | 325 laps |