head to head
Dirt ShowdownvsTest Drive Unlimited 2
Dirt Showdown leans Execution (Practiced Mastery); Test Drive Unlimited 2 leans Execution (Practiced Mastery).
Dirt ShowdownTest Drive Unlimited 2
Axis by axis
Execution6 vs 6
Even - both lean on execution about the same.
Reads2 vs 2
Even - both lean on reads about the same.
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.

