2019 MCLAREN SENNA GTR M840TR (P15 GTR)
P15 GTR / Track-focused hypercar / Global (limited track-only model, not homologated for road use)
M840TRExact year/trim recordSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- None documented publicly due to limited production and specialist maintenance
- Track wear expected with high-performance operation
First checks
- Pre and post track session inspection of fluids and tires
- Check cooling and brake systems due to track stress
Before replacing parts
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- Senna GTR was a track-only variant of the McLaren Senna introduced in 2019 with increased power and advanced aerodynamics.
- Not homologated for road use and sold globally in strictly limited numbers, primarily to track and collection customers.