PORSCHE RACING HISTORYHans-Joachim Stuck (D)
1984 : Spa 1000 km - 3rd overall : Imola 1000 km - 1st overall : Fuji 1000 km - 3rd overall
24 March 1984 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 5 | Porsche 935/84 | 935/84 | GTP | Bob Akin (USA)/John O'Steen (USA)/Hans-Joachim Stuck (D) | Bob Akin Motor Racing (USA) | 5th | 5th | 3rd | 256 laps |
23 April 1984 - Monza 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 19 | Porsche 956 | 956-101 | C1 | Hans-Joachim Stuck (D)/Harald Grohs (D)/Walter Brun (CH) | Brun Motorsport/Kremer | 4th | 4th | 6th | 167 laps |
15 July 1984 - Nürburgring 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 956 B | 956-116 | C1 | Hans-Joachim Stuck (D)/Harald Grohs (D) | Schiesser Porsche Brun | DNF | 79 laps - Accident |
2 September 1984 - Spa 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 9 | Porsche 956 | 956-116 | C1 | Hans-Joachim Stuck (D)/Harald Grohs (D)/Walter Brun (CH) | Brun Motorsport | 3rd | 3rd | 5th | 142 laps |
16 September 1984 - Imola 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 19 | Porsche 956 | 956-116 | C1 | Stefan Bellof (D)/Hans-Joachim Stuck (D) | Brun Motorsport | 1st | 1st | 2nd | 199 laps |
30 September 1984 - Fuji 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 60 | Porsche 956 B | 956-118 | C1 | Hans-Joachim Stuck (D)/Vern Schuppan (AUS) | Trust Racing Team | 3rd | 3rd | 3rd | 224 laps |