head to head
vs
Sonic RvsTest Drive Unlimited 2
Sonic R leans Execution (Practiced Mastery); Test Drive Unlimited 2 leans Execution (Practiced Mastery).
Sonic RTest Drive Unlimited 2
Axis by axis
Execution6 vs 6
Even - both lean on execution about the same.
Reads3 vs 2
Sonic R leans harder on reads: racing against human opponents somewhat
Variance2 vs 2
Even - both lean on variance about the same.
Optimization4 vs 5
Test Drive Unlimited 2 leans harder on optimization: Car choice, upgrades, and route knowledge compound
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.