head to head
Neither is harder. They score identically on all four axes, so the difference between them is in kind, not degree.

Execution · Practiced Mastery
A gentle licensed racer testing basic driving lines against scripted opponents.

Execution · Practiced Mastery
A straightforward brawler testing crowd management with basic timing.
Cars leans Execution (Practiced Mastery); Fighting Force 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.
Cars
Forgiving kart-style driving with modest racing line demands
Fighting Force
Crowd control and weapon swings need basic timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Cars
AI racers follow rubber-band scripts; split-screen rivals barely adapt
Fighting Force
Enemy waves attack in fixed patterns
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Cars
Tracks and events are fixed once seen
Fighting Force
Levels and pickups are static
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Cars
Learning racing lines and shortcuts gives most of the edge
Fighting Force
Route choices and weapon use are shallow systems
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.