head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is execution, and it is a single point.

Execution · Pure Mechanics
Open-world racing testing car control and line discipline with light tuning underneath.

Execution · Pure Mechanics
A demanding motorcycle racing sim famous for its rain-slicked first-person Nordschleife runs.
Forza Horizon 2 leans Execution (Pure Mechanics); Ride 4 leans Execution (Pure Mechanics).
Ride 4 leans a little harder on execution, though the gap is small.
Forza Horizon 2
Racing lines, braking points and car control lead everything
Ride 4
Braking points and lean angles on bikes punish tiny errors
Forza Horizon 2 leans a little harder on reads, though the gap is small.
Forza Horizon 2
Drivatar AI mimics styles but stays effectively scripted
Ride 4
AI riders hold predictable lines
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Forza Horizon 2
Weather shifts grip slightly; courses are fully known
Ride 4
Dynamic weather occasionally intervenes
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Forza Horizon 2
Car tuning and route knowledge reward preparation
Ride 4
Bike setup and track learning underpin pace
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.