head to head
Mafia II asks more than Big Rigs: Over the Road Racing, and the gap is execution.

Execution · Light / Casual
A famously broken racer that tests nothing because nothing functions.

Execution · Practiced Mastery
Linear postwar crime story driven by cover shootouts and atmosphere.
Big Rigs: Over the Road Racing leans Execution (Light / Casual); Mafia II leans Execution (Practiced Mastery).
Mafia II leans clearly harder on execution.
Big Rigs: Over the Road Racing
Opponents never move; holding forward wins
Mafia II
Cover shooting and fistfight timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Big Rigs: Over the Road Racing
There is no functioning opposition
Mafia II
Enemies are scripted
Mafia II leans a little harder on variance, though the gap is small.
Big Rigs: Over the Road Racing
Nothing is hidden because nothing works
Mafia II
Story missions are fixed
Mafia II leans clearly harder on optimization.
Big Rigs: Over the Road Racing
No systems exist to solve - the game is unfinished
Mafia II
Modest; learning encounter layouts
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.