head to head
Dirt Rally asks more than TrackMania United Forever, and the gap is variance.

Execution · Pure Mechanics
Punishing rally car control at the limit, supported by setup and stage knowledge.

Execution · Practiced Mastery
Pure time-trial racing testing relentless execution of an ever-more-optimised line.
Dirt Rally leans Execution (Pure Mechanics); TrackMania United Forever leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Dirt Rally
Unforgiving car control on loose surfaces is the entire test
TrackMania United Forever
Frame-perfect lines over hundreds of restarts are everything
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Dirt Rally
Solo time trials against the clock, no adaptive rival
TrackMania United Forever
Time trials against ghosts - no one adapts to you
Dirt Rally leans clearly harder on variance.
Dirt Rally
Weather and surface degradation vary between stages
TrackMania United Forever
Deterministic physics with literally nothing hidden
TrackMania United Forever leans a little harder on optimization, though the gap is small.
Dirt Rally
Pacenote interpretation, setup tuning and stage memorisation
TrackMania United Forever
Finding the theoretical fastest line is the meta-game
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.