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
Pure car control over loose surfaces, sharpened by memorising every stage.

Execution · Practiced Mastery
An isometric combat racer set to metal covers, mixing vehicle upgrades with weaponized laps.
Colin McRae Rally 2.0 leans Execution (Pure Mechanics); Rock n' Roll Racing leans Execution (Practiced Mastery).
Colin McRae Rally 2.0 leans a little harder on execution, though the gap is small.
Colin McRae Rally 2.0
Surface-specific car control at speed decides every stage
Rock n' Roll Racing
Isometric cornering and weapon timing carry races.
Rock n' Roll Racing leans a little harder on reads, though the gap is small.
Colin McRae Rally 2.0
Time-trial format - no adaptive opponent on the stage
Rock n' Roll Racing
Two-player duels add slight prediction; AI is scripted.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Colin McRae Rally 2.0
Mid-stage surprises minimal once pace notes are internalised
Rock n' Roll Racing
Weapon exchanges and pickups create chaos.
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Colin McRae Rally 2.0
Memorising stages and tuning setups converges times steadily
Rock n' Roll Racing
Upgrade purchases and planet-by-planet earnings are plannable.
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.