head to head
Project CARS asks more than Red Dead Redemption 2, and the gap is execution.

Execution · Practiced Mastery
Simulation driving precision underpinned by setup tuning and race strategy.

Execution · Practiced Mastery
A cinematic open-world western leaning on shooting feel and atmosphere.
Project CARS leans Execution (Practiced Mastery); Red Dead Redemption 2 leans Execution (Practiced Mastery).
Project CARS leans clearly harder on execution.
Project CARS
Braking points and wheel control at the sim limit
Red Dead Redemption 2
Gunplay and Dead Eye reward aim and timing.
Project CARS leans a little harder on reads, though the gap is small.
Project CARS
Online racecraft against humans adds light positional prediction
Red Dead Redemption 2
Enemies use scripted AI patterns, not adaptation.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Project CARS
Dynamic weather injects some session randomness
Red Dead Redemption 2
Some hunting and weather randomness, lightly hidden.
Project CARS leans clearly harder on optimization.
Project CARS
Setup tuning and pit strategy reward deep study
Red Dead Redemption 2
Loadouts and routes solvable but loose.
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.