SUSTAINABLY FAST – THE 718 CAYMAN GT4 RS CLUBSPORT M
Based on the 718 Cayman GT4 RS Clubsport, Manthey, together with the Griesemann Group, has developed the 718 Cayman GT4 RS Clubsport M as a completely new vehicle concept. This race car impresses with extensive lightweight construction and optimized aerodynamics. Manthey relies on components made from recycled carbon fiber (CFRP).
LESS WEIGHT - MORE GRIP
In addition to the extensive lightweight components, the Manthey-developed lightweight wheel set contributes to further weight reduction and ensures optimal grip.
Wheels
Front axle: Manthey wheel, 10'' wide
Rear axle: Manthey wheel, 12'' wide
Tire dimensions
Front: 27/65 – 18
Rear: 30/68 – 18
SYNTHETIC FUEL FOR THE GREEN HELL
The Cayman has been developed in accordance with the ADAC SP-Pro regulations, specifically designed for racing on the Nürburgring Nordschleife, and runs on synthetic methanol-based fuel. This fuel is produced within a research project funded by the German Federal Ministry of Transport and Digital Infrastructure at TU Bergakademie Freiberg. Classified as eFuel, it enables use in existing combustion engines without technical modifications (drop-in).
All from a Single Source
On track to success with Manthey manpower
In addition to vehicle development, Manthey also takes over comprehensive race deployment planning on the Nordschleife. The service spectrum ranges from on-site personnel support to the provision of custom-developed Manthey equipment.
Team & Support
A total of 15 people are involved exclusively in operating the vehicle.
- 1x Teammanager
- 1x Race Engineer
- 1x Performance Engineer
- 1x Team Coordinator
- 1x Car Chief
- 2x Tires/Logistics
- 1x System Engineer
- 3x Fuel
- 4x Mechanics
Engineered for the Green Hell
Manthey and Griesemann campaign the 718 Cayman GT4 RS Clubsport M exclusively on the Nürburgring Nordschleife. Specifically for use on the Nordschleife, 24-hour lighting, interior lighting, start number lighting, and a drinking system were also installed — all made by Manthey. The vehicle concept made its debut at the second round of the Nürburgring Endurance Series 2025, immediately securing 2nd place in the AT2 class.
RESULTS 2025
| Race | Driver | Class Ranking AT2 | Overall Ranking |
|---|---|---|---|
| NLS 2 | Georg & Björn Griesemann | 2 | 22 |
| NLS 3 | Georg & Björn Griesemann | DNF | DNF |
| 24h Qualifiers Race 1 | Georg & Björn Griesemann, Dirk Adorf | 1 | 28 |
| 24H Qualifiers Race 2 | Georg & Björn Griesemann, Yves Volte | 1 | 33 |
| 24H-Race | Georg & Björn Griesemann, Dirk Adorf, Yves Volte | 2 | 20 |
| NLS 7 | Georg & Björn Griesemann | DNF | DNF |
| NLS 8 | Georg & Björn Griesemann | 1 | 13 |









