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 · Practiced Mastery
Tests handheld drift-racing execution on short memorisable circuits.
Forza Horizon 2 leans Execution (Pure Mechanics); Sonic Drift 2 leans Execution (Practiced Mastery).
Forza Horizon 2 leans a little harder on execution, though the gap is small.
Forza Horizon 2
Racing lines, braking points and car control lead everything
Sonic Drift 2
Drift timing on tiny Game Gear tracks decides races
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Forza Horizon 2
Drivatar AI mimics styles but stays effectively scripted
Sonic Drift 2
AI racers follow fixed lines; link-cable duels are rare
Sonic Drift 2 leans a little harder on variance, though the gap is small.
Forza Horizon 2
Weather shifts grip slightly; courses are fully known
Sonic Drift 2
Item pickups add mild race randomness
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
Sonic Drift 2
Character choice and track lines have learnable optima
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.