PORSCHE RACING HISTORYKlaus Ludwig (D)
1988 : Jerez 800 km - 3rd overall : Sebring 12 Hours - 1st overall : Columbus 300 km - 2nd overall : Fuji 1000 km - 2nd overall : Del Mar 2 Hours - 2nd overall
31 January 1988 - Daytona 24 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 962 | 962-121 | GTP | Klaus Ludwig (D)/Hans-Joachim Stuck (D)/Sarel van der Merwe (ZA) | Bayside Motorsport (USA) | 4th | 4th | 7th | 694 laps |
28 February 1988 - Miami 3 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 962 | 962-121 | GTP | Klaus Ludwig (D)/Hans-Joachim Stuck (D) | Bayside-Leven Motorsport (USA) | 5th | 5th | 2nd | 124 laps |
6 March 1988 - Jerez 800 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 7 | Porsche 962 C | 962C-004 | C1 | Klaus Ludwig (D)/Bob Wollek (F) | Joest Racing (D) | 3rd | 3rd | 5th | 188 laps |
19 March 1988 - Sebring 12 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 962 | 962-121 | GTP | Klaus Ludwig (D)/Hans-Joachim Stuck (D) | Bayside Disposal Racing (USA) | 1st | 1st | 4th | 318 laps |
2 October 1988 - Columbus 300 km - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 85 | Porsche 962 | 962-109 | GTP | Klaus Ludwig (D) | Bayside-Leven Motorsport (USA) | 2nd | 2nd | 19th | 81 laps |
9 October 1988 - Fuji 1000 km - World Sports-Prototype Championship
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 17 | Porsche 962 C | 962C-008 | C1 | Klaus Ludwig (D)/Price Cobb (USA) | Omron Porsche AG (D) | 2nd | 2nd | 4th | 223 laps |
23 October 1988 - Del Mar 2 Hours - IMSA - International Motor Sport Association
| No. | Car | # | Class | Drivers | Entrant | Pos | Class | Grid | Notes |
| 86 | Porsche 962 C | 962C-139 | GTP | Klaus Ludwig (D) | Bayside-Leven Motorsport (USA) | 2nd | 2nd | 6th | 88 laps |