2014 McLaren P1 for GTA V The model is taken from the games Assetto Corsa, Project Cars and converted for GTA V
Video:
Installing using OpenIV to replace files: furoregt_hi.yft furoregt.yft furoregt.ytd along the way: GTAV/x64w.rpf/dclpacks/mplts/dlc.rpf/X64/lecels/gta5/vehicles/ltsvehicles.rpf
vehicles.meta along the way: GTAV/update/update.rpf/dlc_patch/mplts/common/data/levels/gta5