PORSCHE RACING HISTORYReinhold Jöst (D)
1981 : Nürburgring 1000 Km - 2nd overall, 1st in class : Kyalami 9 Hours - 1st overall
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 |
| 1 | Porsche 908/80 Turbo | 936-004 | S+2.0 | Jochen Mass (B)/Reinhold Jöst (D) | Joest Racing (D) | 2nd | 1st | 2nd | 17 laps |
14 June 1981 - Le Mans 24 Hours - World Championship for Drivers and Makes
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 908/80 | 936-004 | S+2.0 | Reinhold Jöst (D)/Klaus Niedzwiedz (D)/Dale Whittington (USA) | Joest Racing (D) | DNF | 3rd | 60 laps - Accident |
6 November 1981 - Kyalami 9 Hours - Non Championship Race
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 1 | Porsche 936 | 936-004 | Cat.1 | Jochen Mass (B)/Reinhold Jöst (D) | Lindsay Sakers (D) | 1st | 1st | 1st | 365 laps |