head to head
vs
Grid 2vsMount Your Friends
Grid 2 leans Execution (Practiced Mastery); Mount Your Friends leans Execution (Pure Mechanics).
Grid 2Mount Your Friends
Axis by axis
Execution7 vs 8
Mount Your Friends leans harder on execution: QWOP-like limb control under a timer is the entire challenge
Reads2 vs 2
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization5 vs 3
Grid 2 leans harder on optimization: Racing lines, braking points and car selection are studyable
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.