| 1995 · 1995 24 Hours of Le Mans | DNF | 26 | LM-GT1* | SARD Company | Alain Ferté · Kenny AchesonAlain Ferté Kenny Acheson | SARD MC8-R | Lexus R40V-T 4.0L V8 twin turbo | 14 | Wikipedia contributors · CC BY-SA 4.0 |
| 1993 · 1993 24 Hours of Le Mans | DNF | 37 | Category 1 | Toyota Team TOM'S Japan | Kenny Acheson · Andy Wallace · Pierre-Henri RaphanelKenny Acheson Andy Wallace Pierre-Henri Raphanel | Toyota TS010 | Toyota RV10 3.5L V10 | 212 | Wikipedia contributors · CC BY-SA 4.0 |
| 1992 · 1992 24 Hours of Le Mans | 2 | 33 | Category 1 | Toyota Team TOM'S GB | Masanori Sekiya · Pierre-Henri Raphanel · Kenny AchesonMasanori Sekiya Pierre-Henri Raphanel Kenny Acheson | Toyota TS010 | Toyota RV10 3.5L V10 | 346 | Wikipedia contributors · CC BY-SA 4.0 |
| 1992 · SWC Suzuka 1000 km | retired | 8 | C1 | Toyota Team Tom's | Andy Wallace · Masanori Sekiya · Kenny Acheson | Toyota TS010 | — | 83 | WSPR historical record |
| 1991 · 1991 24 Hours of Le Mans | DNS | 4 | Category 1 | Silk Cut Jaguar Team Tom Walkinshaw Racing | Andy Wallace · Teo Fabi · Kenny AchesonAndy Wallace Teo Fabi Kenny Acheson | Jaguar XJR-14 | Ford-Cosworth HB 3.5L V8 | | Wikipedia contributors · CC BY-SA 4.0 |
| 1991 · 1991 24 Hours of Le Mans | 3 | 34 | Category 2 | Silk Cut Jaguar Team Tom Walkinshaw Racing | Bob Wollek · Teo Fabi · Kenny AchesonBob Wollek Teo Fabi Kenny Acheson | Jaguar XJR-12LM | Jaguar HE 7.4L V12 | 358 | Wikipedia contributors · CC BY-SA 4.0 |
| 1990 · 1990 24 Hours of Le Mans | DNS | 25 | Gr.C1 | Nissan Motorsports Nissan Motorsports Europe | Kenny Acheson · Martin Donnelly · Olivier GrouillardKenny Acheson Martin Donnelly Olivier Grouillard | Nissan R90CK | Nissan VRH35Z 3.5L V8 twin turbo | | Wikipedia contributors · CC BY-SA 4.0 |
| 1990 · FIA WSPC - Fuji Film Cup, Suzuka Circuit | retired | 25 | 2 | Nissan Motorsports Int'l. ( | Takao Wada · Kenny Acheson | Nissan R89C | — | 45 | WSPR historical record |
| 1990 · FIA WSPC - Trofeo Caracciolo, Monza | 7 | 23 | | Nissan Motorsports Internat | Julian Bailey · Kenny Acheson | Nissan R90CK | — | 81 | WSPR historical record |
| 1990 · FIA WSPC - British Empire Trophy, Silverstone | retired | 23 | | Nissan Motorsports Internat | Julian Bailey · Kenny Acheson | Nissan R90CK | — | 92 | WSPR historical record |
| 1990 · FIA WSPC - British Empire Trophy, Silverstone | source_section_running_in_practice | 23T | | Nissan Motorsports Internat | Julian Bailey · Kenny Acheson | Nissan R90CK | — | | WSPR historical record |
| 1990 · FIA WSPC - Coupes de Spa, Spa Francorchamps | 3 | 23 | | Nissan Motorsports Internat | Julian Bailey · Kenny Acheson | Nissan R90CK | — | 70 | WSPR historical record |
| 1990 · FIA WSPC, Dijon-Prenios | 21 | 24 | | Nissan Motorsports Internat | Kenny Acheson · Gianfranco Brancatelli | Nissan R90CK | — | 116 | WSPR historical record |
| 1990 · FIA WSPC - ADAC Sportwagen WM, Nürburgring | 9 | 24 | | Nissan Motorsports Internat | Kenny Acheson · Gianfranco Brancatelli | Nissan R90CK | — | 102 | WSPR historical record |
| 1990 · FIA WSPC - Shell Donington Trophy | 4 | 24 | | Nissan Motorsport Internati | Kenny Acheson · Gianfranco Brancatelli | Nissan R90CK | — | 117 | WSPR historical record |
| 1990 · FIA WSPC Mondial Players Ltd., Montreal | 5 | 24 | | Nissan Motorsports Internat | Kenny Acheson · DNS - Gianfranco Brancatelli | Nissan R90CK | — | 61 | WSPR historical record |
| 1990 · FIA WSPC - Trofeo Hermanos Rodriguez, Mexico | 4 | 24 | | Nissan Motorsports Internat | Gianfranco Brancatelli · Kenny Acheson | Nissan R90CK | — | 106 | WSPR historical record |
| 1989 · 1989 24 Hours of Le Mans | 2 | 61 | Gr.C1 | Team Sauber Mercedes | Mauro Baldi · Kenny Acheson · Gianfranco BrancatelliMauro Baldi Kenny Acheson Gianfranco Brancatelli | Sauber C9 | Mercedes-Benz M119 5.0L V8 twin turbo | 385 | Wikipedia contributors · CC BY-SA 4.0 |
| 1989 · WSPC Suzuka | 2 | 62 | 2. C1 | Team Sauber Mercedes | Kenny Acheson · DNS - Jochen Mass · DNS - Jean-Louis Schlesser / | Sauber Mercedes C9 | — | 82 | WSPR historical record |
| 1989 · Coupe de Dijon, Dijon-Prenios | 3 | 61 | 3. C1 | Team Sauber Mercedes | Mauro Baldi · Kenny Acheson | Sauber Mercedes C9 | — | 127 | WSPR historical record |
| 1989 · II Trofeo Repsol, Jarama | 5 | 61 | C1 | Team Sauber Mercedes | Mauro Baldi · Kenny Acheson | Sauber Mercedes C9 | — | 143 | WSPR historical record |
| 1989 · Brands Hatch Trophy | 1 | 61 | 1. C1 | Team Sauber Mercedes | Mauro Baldi · Kenny Acheson | Sauber Mercedes C9 | — | 115 | WSPR historical record |
| 1989 · Int. ADAC Trophäe, Nürburgring | 2 | 62 | 2. C1 | Team Sauber Mercedes | Mauro Baldi · Kenny Acheson | Sauber Mercedes C9 | — | 106 | WSPR historical record |
| 1989 · Wheatcroft Gold Cup, Donington | 2 | 61 | 2. C1 | Team Sauber Mercedes | Mauro Baldi · Kenny Acheson | Sauber Mercedes C9 | — | 120 | WSPR historical record |
| 1989 · Coupes de Spa, Spa-Francorchamps | 1 | 61 | 1. C1 | Team Sauber Mercedes | Mauro Baldi · Kenny Acheson | Sauber Mercedes C9 | — | 70 | WSPR historical record |
| 1989 · Trofeo Hermanos Rodriguez, Ciudad de Mexico, Mexico | retired | 61 | C1 | Team Sauber Mercedes | Mauro Baldi · Kenny Acheson | Sauber Mercedes C9 | — | 46 | WSPR historical record |
| 1988 · 1988 24 Hours of Le Mans | DNS | 62 | Gr.C1 | Team Sauber Mercedes | Klaus Niedzwiedz · Kenny Acheson · Jochen MassKlaus Niedzwiedz Kenny Acheson Jochen Mass | Sauber C9 | Mercedes-Benz M117 5.0L V8 twin turbo | | Wikipedia contributors · CC BY-SA 4.0 |
| 1988 · Fuji 1000 Kilometres, Fuji Speedway | 5 | 61 | 5. C1 | Team Sauber Mercedes | Jean-Louis Schlesser · Jochen Mass · Kenny Acheson | Sauber C9/88 Mercedes | — | 220 | WSPR historical record |
| 1987 · Mount Fuji 1000 Kilometres | 11 | 25 | 9. C1 | Advan Alpha Nova | Kunimitsu Takahashi · Kenny Acheson · Kazuo Mogi | Porsche 962C | — | 208 | WSPR historical record |
| 1986 · Mount Fuji 1000 Kilometres, Fuji Speedway | retired | 37 | C1 | Team Ikuzawa | Kenny Acheson · Michael Roe | Tom's 85C Toyota | — | 16 | WSPR historical record |
| 1985 · 1985 24 Hours of Le Mans | DNQ | 55 | Gr.C1 | Fitzpatrick Porsche Team | Kenny Acheson · Dudley Wood · Jean-Louis SchlesserKenny Acheson Dudley Wood Jean-Louis Schlesser | Porsche 962C | Porsche 935/76 2.6L F6 twin turbo | | Wikipedia contributors · CC BY-SA 4.0 |
| 1985 · Trofeo Filippo Caracciolo, Monza | 16 | 33 | 0. C1 | John Fitzpatrick Racing | Jo Gartner · Kenny Acheson | Porsche 956 | — | 104 | WSPR historical record |
| 1985 · Fuji 1000 Kilometres | retired | 14 | C1 | Richard Lloyd Racing with P | Johnny Dumfries · Kenny Acheson | Porsche 956 GTi | — | 9 | WSPR historical record |