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
White-knuckle chase driving and route memorisation through punishing scripted missions.

Execution · Practiced Mastery
A cartoonish 2D run-and-gun shooter set amid a mob war.
Driv3r leans Execution (Practiced Mastery); Guns, Gore and Cannoli 2 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.
Driv3r
Unforgiving chase driving and clunky on-foot shooting demand control
Guns, Gore and Cannoli 2
run-and-gun aiming and dodging skill
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Driv3r
Pursuers follow fixed AI logic
Guns, Gore and Cannoli 2
scripted enemy waves, not adaptive
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Driv3r
Traffic adds noise to chases, missions are scripted
Guns, Gore and Cannoli 2
some enemy spawn randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Driv3r
Memorising city routes and mission scripts carries completion
Guns, Gore and Cannoli 2
weapon and route optimization
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.