head to head
Neither is simply harder - they are hard in different places. Driv3r demands more execution; The Witcher 3: Wild Hunt demands more optimization.

Execution · Practiced Mastery
White-knuckle chase driving and route memorisation through punishing scripted missions.

Optimization · Practiced Mastery
A narrative action RPG where build planning matters more than reflex execution.
Driv3r leans Execution (Practiced Mastery); The Witcher 3: Wild Hunt leans Optimization (Practiced Mastery).
Driv3r leans clearly harder on execution.
Driv3r
Unforgiving chase driving and clunky on-foot shooting demand control
The Witcher 3: Wild Hunt
Combat timing matters but generous dodges forgive sloppy play.
The Witcher 3: Wild Hunt leans a little harder on reads, though the gap is small.
Driv3r
Pursuers follow fixed AI logic
The Witcher 3: Wild Hunt
Enemies use fixed AI behaviours; no adaptation.
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
The Witcher 3: Wild Hunt
Loot rolls and minor combat variance only.
The Witcher 3: Wild Hunt leans clearly harder on optimization.
Driv3r
Memorising city routes and mission scripts carries completion
The Witcher 3: Wild Hunt
Builds, alchemy, and quest routing reward planning.
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.