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

Execution · Practiced Mastery
Cornering execution over memorisable circuits, with light prediction in wheel-to-wheel multiplayer.

Execution · Practiced Mastery
A cinematic open-world western leaning on shooting feel and atmosphere.
Grid 2 leans Execution (Practiced Mastery); Red Dead Redemption 2 leans Execution (Practiced Mastery).
Grid 2 leans clearly harder on execution.
Grid 2
Car control through corners is the entire moment-to-moment test
Red Dead Redemption 2
Gunplay and Dead Eye reward aim and timing.
Grid 2 leans a little harder on reads, though the gap is small.
Grid 2
Online wheel-to-wheel adds light positional prediction
Red Dead Redemption 2
Enemies use scripted AI patterns, not adaptation.
Red Dead Redemption 2 leans a little harder on variance, though the gap is small.
Grid 2
Tracks are fixed and fully visible
Red Dead Redemption 2
Some hunting and weather randomness, lightly hidden.
Grid 2 leans a little harder on optimization, though the gap is small.
Grid 2
Racing lines, braking points and car selection are studyable
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.