| 2026 | 6 Hours of São Paulo | GT3 | 92 | The Bend Manthey | Porsche 911 GT3 R (992.2) | Y. Shahin/R. Pera/R. Lietz | 20 | 3 | Finished |
| 2026 | 6 Hours of São Paulo | GT3 | 91 | Manthey DK Engineering | Porsche 911 GT3 R (992.2) | J. Cottingham/T. Boguslavskiy/A. Güven | 21 | 4 | Finished |
| 2026 | 24 Hours of Le Mans | GT3 | 92 | The Bend Manthey | Porsche 911 GT3 R (992.2) | R. Lietz/R. Pera/Y. Shahin | 45 | 13 | Finished |
| 2026 | 24 Hours of Le Mans | GT3 | 91 | Manthey DK Engineering | Porsche 911 GT3 R (992.2) | T. Boguslavskiy/J. Cottingham/A. Güven | — | — | DNF |
| 2026 | 6 Hours of Spa Francorchamps | GT3 | 92 | The Bend Manthey | Porsche 911 GT3 R (992.2) | Y. Shahin/R. Pera/R. Lietz | 16 | 3 | Finished |
| 2026 | 6 Hours of Spa Francorchamps | GT3 | 91 | Manthey DK Engineering | Porsche 911 GT3 R (992.2) | J. Cottingham/T. Boguslavskiy/A. Güven | 20 | 7 | Finished |
| 2026 | 6 Hours of Imola | GT3 | 92 | The Bend Manthey | Porsche 911 GT3 R (992.2) | Y. Shahin/R. Pera/R. Lietz | 19 | 3 | Finished |
| 2026 | 6 Hours of Imola | GT3 | 91 | Manthey DK Engineering | Porsche 911 GT3 R (992.2) | J. Cottingham/T. Boguslavskiy/A. Güven | 20 | 4 | Finished |
| 2025 | 8 Hours of Bahrain | GT3 | 92 | Manthey 1st Phorm | Porsche 911 GT3 R (992) | R. Hardwick/R. Pera/R. Lietz | 21 | 4 | Finished |
| 2025 | 6 Hours of Fuji | GT3 | 92 | Manthey 1st Phorm | Porsche 911 GT3 R (992) | R. Hardwick/R. Pera/R. Lietz | 21 | 5 | Finished |
| 2025 | Lone Star Le Mans | GT3 | 92 | Manthey 1st Phorm | Porsche 911 GT3 R (992) | R. Hardwick/R. Pera/R. Lietz | 22 | 7 | Finished |
| 2025 | 6 Hours of São Paulo | GT3 | 92 | Manthey 1st Phorm | Porsche 911 GT3 R (992) | R. Hardwick/R. Pera/R. Lietz | 23 | 6 | Finished |
| 2025 | 24 Hours of Le Mans | GT3 | 92 | Manthey 1st Phorm | Porsche 911 GT3 R (992) | R. Hardwick/R. Lietz/R. Pera | 33 | 1 | Finished |
| 2025 | 24 Hours of Le Mans | GT3 | 90 | Manthey | Porsche 911 GT3 R (992) | A. Au/K. Bachler/L. Hartog | 38 | 6 | Finished |
| 2025 | 6 Hours of Spa Francorchamps | GT3 | 92 | Manthey 1st Phorm | Porsche 911 GT3 R (992) | R. Hardwick/R. Pera/R. Lietz | 21 | 7 | Finished |
| 2025 | 6 Hours of Imola | GT3 | 92 | Manthey 1st Phorm | Porsche 911 GT3 R (992) | R. Hardwick/R. Pera/R. Lietz | 19 | 1 | Finished |
| 2025 | Qatar 1812km | GT3 | 92 | Manthey 1st Phorm | Porsche 911 GT3 R (992) | R. Hardwick/R. Pera/R. Lietz | 29 | 12 | Finished |
| 2024 | 8 Hours of Bahrain | GT3 | 91 | Manthey EMA | Porsche 911 GT3 R (992.2) | Y. Shahin/M. Schuring/R. Lietz | 19 | 5 | Finished |
| 2024 | 8 Hours of Bahrain | GT3 | 92 | Manthey PureRxcing | Porsche 911 GT3 R (992.2) | A. Malykhin/J. Sturm/K. Bachler | 23 | 9 | Finished |
| 2024 | 6 Hours of Fuji | GT3 | 92 | Manthey PureRxcing | Porsche 911 GT3 R (992.2) | A. Malykhin/J. Sturm/K. Bachler | 14 | 2 | Finished |
| 2024 | 6 Hours of Fuji | GT3 | 91 | Manthey EMA | Porsche 911 GT3 R (992.2) | Y. Shahin/M. Schuring/R. Lietz | 26 | 14 | Finished |
| 2024 | Lone Star Le Mans | GT3 | 92 | Manthey PureRxcing | Porsche 911 GT3 R (992.2) | A. Malykhin/J. Sturm/K. Bachler | 17 | 2 | Finished |
| 2024 | Lone Star Le Mans | GT3 | 91 | Manthey EMA | Porsche 911 GT3 R (992.2) | Y. Shahin/M. Schuring/R. Lietz | 18 | 3 | Finished |
| 2024 | 6 Hours of São Paulo | GT3 | 92 | Manthey PureRxcing | Porsche 911 GT3 R (992.2) | A. Malykhin/J. Sturm/K. Bachler | 19 | 1 | Finished |
| 2024 | 6 Hours of São Paulo | GT3 | 91 | Manthey EMA | Porsche 911 GT3 R (992.2) | Y. Shahin/M. Schuring/R. Lietz | 30 | 12 | Finished |
| 2024 | 24 Hours of Le Mans | GT3 | 91 | Manthey EMA | Porsche 911 GT3 R (992) | R. Lietz/M. Schuring/Y. Shahin | 27 | 1 | Finished |
| 2024 | 24 Hours of Le Mans | GT3 | 92 | Manthey PureRxcing | Porsche 911 GT3 R (992) | K. Bachler/A. Malykhin/J. Sturm | 41 | 14 | Finished |
| 2024 | 6 Hours of Spa Francorchamps | GT3 | 91 | Manthey EMA | Porsche 911 GT3 R (992.2) | Y. Shahin/M. Schuring/R. Lietz | 16 | 1 | Finished |
| 2024 | 6 Hours of Spa Francorchamps | GT3 | 92 | Manthey PureRxcing | Porsche 911 GT3 R (992.2) | A. Malykhin/J. Sturm/K. Bachler | 17 | 2 | Finished |
| 2024 | 6 Hours of Imola | GT3 | 92 | Manthey PureRxcing | Porsche 911 GT3 R (992.2) | A. Malykhin/J. Sturm/K. Bachler | 20 | 3 | Finished |
| 2024 | 6 Hours of Imola | GT3 | 91 | Manthey EMA | Porsche 911 GT3 R (992.2) | Y. Shahin/M. Schuring/R. Lietz | 33 | 16 | Finished |
| 2024 | Qatar 1812km | GT3 | 92 | Manthey PureRxcing | Porsche 911 GT3 R (992.2) | A. Malykhin/J. Sturm/K. Bachler | 16 | 1 | Finished |
| 2024 | Qatar 1812km | GT3 | 91 | Manthey EMA | Porsche 911 GT3 R (992.2) | Y. Shahin/M. Schuring/R. Lietz | 30 | 15 | Finished |
| 2015 | 24 Hours of Le Mans | GTEPro | 91 | Porsche Team Manthey | Porsche 911 RSR (991) | R. Lietz/M. Christensen/J. Bergmeister | 30 | 5 | Finished |
| 2015 | 24 Hours of Le Mans | GTEPro | 92 | Porsche Team Manthey | Porsche 911 RSR (991) | P. Pilet/F. Makowiecki/W. Henzler | — | — | DNF |
| 2014 | 24 Hours of Le Mans | GTEPro | 92 | Porsche Team Manthey | Porsche 911 RSR (991) | M. Holzer/F. Makowiecki/R. Lietz | 17 | 3 | Finished |
| 2014 | 24 Hours of Le Mans | GTEPro | 91 | Porsche Team Manthey | Porsche 911 RSR (991) | P. Pilet/N. Tandy/J. Bergmeister | 36 | 7 | Finished |
| 2013 | 24 Hours of Le Mans | GTEPro | 92 | Porsche AG Team Manthey | Porsche 911 RSR (991) | M. Lieb/R. Lietz/R. Dumas | 15 | 1 | Finished |
| 2013 | 24 Hours of Le Mans | GTEPro | 91 | Porsche AG Team Manthey | Porsche 911 RSR (991) | J. Bergmeister/T. Bernhard/P. Pilet | 16 | 2 | Finished |
| 2000 | 24 Hours of Le Mans | GT | 75 | Manthey Racing | Porsche 911 GT3 R (996) | M. Brockman/M. Lauer/G. Jeannette | 27 | 6 | Finished |
| 1999 | 24 Hours of Le Mans | GT | 81 | Manthey Racing GmbH | Porsche 911 GT3 (996) | U. Alzen/P. Huisman/L. Riccitelli | 13 | 1 | Finished |
