head to head
vs
Forza HorizonvsrFactor
Forza Horizon leans Execution (Practiced Mastery); rFactor leans Execution (Practiced Mastery).
Forza HorizonrFactor
Axis by axis
Execution7 vs 8
rFactor leans harder on execution: Sim-grade car control over full race distances
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
rFactor leans harder on optimization: Setup engineering and fuel strategy are a deep solvable layer
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.