PORSCHE RACING HISTORYVolkert Merl (D)
1981 : Nürburgring 1000 Km - 2nd in class
1 February 1981 - Daytona 24 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 6 | Porsche 935 J | 000 00012 | GTX | Volkert Merl (D)/Jochen Mass (B) | Joest Racing (D) | 59th | 20th | 3rd | 59 laps - Accident |
10 May 1981 - Silverstone 6 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 908/80 Turbo | 936-004 | S+2.0 | Jochen Mass (B)/Reinhold Jöst (D)/Volkert Merl (D) | Reinhold Joest (D) | DNF | 1st | 0 laps - Accident |
24 May 1981 - Nürburgring 1000 Km - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 2 | Porsche 908/80 Turbo | 908/03-008 | S+2.0 | Volkert Merl (D)/Jürgen Barth (D) | Joest Racing (D) | 6th | 2nd | 6th | 16 laps |