PORSCHE RACING HISTORYJonathan Palmer (GB)
1983 : Nürburgring 1000 km - 3rd overall
6 February 1983 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 924 Carrera GTR | GTO | Richard Lloyd (GB)/George Drolsom (USA)/Jonathan Palmer (GB) | Richard Lloyd (GB) | 18th | 8th | 29th | 500 laps |
29 May 1983 - Nürburgring 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 956 | 956-106 | C | Keke Rosberg (SF)/Jan Lammers (NL)/Jonathan Palmer (GB) | Richard Lloyd Racing | 3rd | 3rd | 4th | 43 laps |
19 June 1983 - Le Mans 24 Hours - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 956 | 956-106 | C | Jonathan Palmer (GB)/Jan Lammers (NL)/Richard Lloyd (GB) | Richard Lloyd Racing | 8th | 8th | 6th | 339 laps |
10 December 1983 - Kyalami 1000 km - World Endurance Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 14 | Porsche 956 | 956-106 | C | Jan Lammers (NL)/Jonathan Palmer (GB) | Richard Lloyd Racing | 5th | 5th | 5th | 225 laps |