head to head
vs
Forza HorizonvsForza Motorsport 4
Forza Horizon leans Execution (Practiced Mastery); Forza Motorsport 4 leans Execution (Practiced Mastery).
Forza HorizonForza Motorsport 4
Axis by axis
Execution7 vs 8
Forza Motorsport 4 leans harder on execution: precise braking, throttle, and racing lines
Reads1 vs 1
Even - both lean on reads about the same.
Variance1 vs 1
Even - both lean on variance about the same.
Optimization5 vs 6
Forza Motorsport 4 leans harder on optimization: car tuning and upgrade optimization
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.