head to head
vs
Gran Turismo 4vsGrand Prix 3
Gran Turismo 4 leans Execution (Practiced Mastery); Grand Prix 3 leans Execution (Practiced Mastery).
Gran Turismo 4Grand Prix 3
Axis by axis
Execution8 vs 8
Even - both lean on execution about the same.
Reads0 vs 1
Grand Prix 3 leans harder on reads: AI rivals follow predictable racing lines
Variance1 vs 2
Grand Prix 3 leans harder on variance: Weather shifts and mechanical failures inject some chaos
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.