
McLaren Racing Confirms Dallara Partnership for Prototype Racing Return
McLaren is actively moving towards returning to prototype racing with a factory LMDh program, partnering with Dallara to construct their race cars. This marks a significant step in the brand's motorsport expansion plans.
The program will follow the LMDh formula currently used by manufacturers like Acura, BMW, Cadillac, Lamborghini, and Porsche in both IMSA's GTP class and WEC's Hypercar category.

McLaren F1 pit crew member
Key Program Details:
- Engine supplier selection is still pending
- McLaren is seeking a manufacturer collaboration similar to their historic BMW partnership
- United Autosports, co-owned by McLaren Racing CEO Zak Brown, is expected to be the official service provider
Planned Timeline:
- Testing to begin in 2026
- WEC debut scheduled for 2027
- IMSA GTP expansion expected in 2028 or 2029
This staggered introduction approach mirrors Hyundai's Genesis GMR-001 LMDh program. McLaren's entry will bring the total number of manufacturers in IMSA's top class to eight, following Aston Martin's Valkyrie AMR-LMH debut and Hyundai's confirmed participation. This unprecedented level of manufacturer involvement may require IMSA to restructure its four-tier class system in the coming years.
McLaren's return to prototype racing represents a significant milestone, building on their successful motorsport heritage and expanding their presence in international endurance racing.
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