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

Execution · Practiced Mastery
A sim racer where driving precision and car tuning both determine lap times.

Execution · Pure Mechanics
Consistent precision driving through touring-car packs on learnable circuits.
Forza Motorsport 4 leans Execution (Practiced Mastery); TOCA Championship Racing leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Forza Motorsport 4
precise braking, throttle, and racing lines
TOCA Championship Racing
Consistent lap precision through traffic decides every championship
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Forza Motorsport 4
AI drivers don't meaningfully adapt
TOCA Championship Racing
AI drivers follow fixed racing behaviour
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Forza Motorsport 4
minor race incident randomness
TOCA Championship Racing
Pack collisions add mild chaos to race starts
Forza Motorsport 4 leans a little harder on optimization, though the gap is small.
Forza Motorsport 4
car tuning and upgrade optimization
TOCA Championship Racing
Track learning and racecraft lines reward systematic study
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.