head to head
vs
Grid 2vsProject Gotham Racing 3
Grid 2 leans Execution (Practiced Mastery); Project Gotham Racing 3 leans Execution (Pure Mechanics).
Grid 2Project Gotham Racing 3
Axis by axis
Execution7 vs 8
Project Gotham Racing 3 leans harder on execution: Perfect inputs win - clean racing lines and Kudos-style car control
Reads2 vs 2
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization5 vs 5
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.