head to head
vs
iRacingvsProject CARS
iRacing leans Execution (Practiced Mastery); Project CARS leans Execution (Practiced Mastery).
iRacingProject CARS
Axis by axis
Execution9 vs 8
iRacing leans harder on execution: Brutally precise wheel inputs required
Reads4 vs 2
iRacing leans harder on reads: Serious wheel-to-wheel racing vs humans
Variance2 vs 2
Even - both lean on variance about the same.
Optimization7 vs 6
iRacing leans harder on optimization: Setup, strategy, iRating progression
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.