PORSCHE RACING HISTORYRolf Stommelen (D)
1981 : Lime Rock 200 Miles - 3rd overall : Mosport 6 Hours - 1st overall : Road America 500 Miles - 1st overall : Mid-Ohio 500 km - 1st overall
1 February 1981 - Daytona 24 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 51 | Porsche 935 M16 | 930 890 0013 | GTX | Rolf Stommelen (D)/Harald Grohs (D)/Howard Meister (USA) | Andial Racing/Meister Homes (USA) | 24th | 9th | 1st | 500 laps - Electrics/Fire |
21 March 1981 - Sebring 12 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 935 M16 | 930 890 0013 | GTX | Howard Meister (USA)/Harald Grohs (D)/Rolf Stommelen (D) | Andial/Meister Racing (USA) | 4th | 4th | 2nd | 233 laps |
26 April 1981 - Riverside 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 935 M16 | 930 890 0013 | GTX | Rolf Stommelen (D)/Howard Meister (USA) | Andial Meister Racing (USA) | 31st | 11th | 3rd | 125 laps - DNF |
3 May 1981 - Laguna Seca 100 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 935 M16 | 930 890 0013 | GTX | Rolf Stommelen (D) | Andial Meister Racing (USA) | 37th | 19th | 6th | 8 laps - DNF |
24 May 1981 - Lime Rock 200 Miles - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 935 M16 | 930 890 0013 | GTX | Rolf Stommelen (D) | Andial Meister Racing (USA) | 3rd | 3rd | 4th | 128 laps |
16 August 1981 - Mosport 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 935 M16 | 930 890 0013 | GTX | Rolf Stommelen (D)/Harald Grohs (D) | Andial Meister Racing (USA) | 1st | 1st | 1st | 229 laps |
23 August 1981 - Road America 500 Miles - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 935 M16 | 930 890 0013 | GTX | Rolf Stommelen (D)/Harald Grohs (D) | Andial Meister Racing (USA) | 1st | 1st | 2nd | 125 laps |
30 August 1981 - Mid-Ohio 500 km - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 3 | Porsche 935 M16 | 930 890 0013 | Gr.5 | Rolf Stommelen (D)/Derek Bell (GB) | Andial Racing (USA) | 1st | 1st | 5th | 130 laps |