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

Execution · Pure Mechanics
An arcade bike racer testing cornering execution across memorised circuits.

Execution · Pure Mechanics
Reflex-driven point-to-point racing through heavily scripted setpieces.
Moto Racer 2 leans Execution (Pure Mechanics); Need for Speed: The Run 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.
Moto Racer 2
Cornering at speed across road and motocross demands clean inputs
Need for Speed: The Run
Reaction driving through traffic and setpieces is the test
Need for Speed: The Run leans a little harder on reads, though the gap is small.
Moto Racer 2
AI riders run fixed lines
Need for Speed: The Run
Rivals rubber-band on scripts, nothing to out-think
Need for Speed: The Run leans a little harder on variance, though the gap is small.
Moto Racer 2
Courses are static and learnable
Need for Speed: The Run
Scripted events surprise once, then are known
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Moto Racer 2
Track memorisation and bike choice settle close races
Need for Speed: The Run
Checkpoint routes and car choice are quickly solved
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.