After Mazda followed Nissan through the exit door at the end of 2021, last season's DPi class was contested exclusively between Cadillac and Acura teams, but the move to all new LMDh cars running spec hybrid systems for 2023 has attracted Porsche and BMW to join the renamed GTP division.
All four manufacturers have won a race this season, with Porsche's 963 LMDh taking three victories, the Acura ARX-06 and Cadillac V-Series.R managing two apiece and BMW M Hybrid V8 breaking through at Watkins Glen.
