head to head
vs
Grand Theft Auto IVvsL.A. Rush
Grand Theft Auto IV leans Execution (Practiced Mastery); L.A. Rush leans Execution (Pure Mechanics).
Grand Theft Auto IVL.A. Rush
Axis by axis
Execution5 vs 6
L.A. Rush leans harder on execution: Arcade street driving is the only real demand
Reads1 vs 0
Grand Theft Auto IV leans harder on reads: Scripted AI, no adaptive opponent modeling.
Variance2 vs 2
Even - both lean on variance about the same.
Optimization3 vs 3
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.