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

Execution · Pure Mechanics
The 70s-cinema getaway driving game with famously demanding physics.

Execution · Pure Mechanics
A rail shooter testing aim and QTE timing against fully scripted spawn sequences.
Driver leans Execution (Pure Mechanics); Rambo: The Video Game leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Driver
Handbrake control and pursuit driving by feel
Rambo: The Video Game
On-rails aim and QTE timing are nearly the whole game
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Driver
Police AI is mappable
Rambo: The Video Game
Every enemy popup is scripted to the frame
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Driver
Traffic adds mild unpredictability
Rambo: The Video Game
Identical sequences every run, nothing hidden
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Driver
City routes and mission tactics learnable
Rambo: The Video Game
Memorising spawn order and cover beats turns runs into routine
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.