head to head
vs
Gran Turismo 4vsTrackMania United Forever
Gran Turismo 4 leans Execution (Practiced Mastery); TrackMania United Forever leans Execution (Practiced Mastery).
Gran Turismo 4TrackMania United Forever
Axis by axis
Execution8 vs 9
TrackMania United Forever leans harder on execution: Frame-perfect lines over hundreds of restarts are everything
Reads0 vs 0
Even - both lean on reads about the same.
Variance1 vs 0
Gran Turismo 4 leans harder on variance: Deterministic outside slight tyre wear modelling
Optimization7 vs 7
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.