head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Practiced Mastery
A pack-racing game where contact management and positional reads matter alongside setup work.

Execution · Practiced Mastery
Simulation driving precision underpinned by setup tuning and race strategy.
GRID Legends leans Execution (Practiced Mastery); Project CARS leans Execution (Practiced Mastery).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
GRID Legends
Multi-class pack racing rewards precise braking and positional awareness
Project CARS
Braking points and wheel control at the sim limit
GRID Legends leans a little harder on reads, though the gap is small.
GRID Legends
Aggressive AI nemesis system and human lobbies require opponent reading
Project CARS
Online racecraft against humans adds light positional prediction
GRID Legends leans a little harder on variance, though the gap is small.
GRID Legends
Multi-car incidents and nemesis aggression add real race chaos
Project CARS
Dynamic weather injects some session randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
GRID Legends
Car upgrades, team hire and race strategy are cleanly solvable layers
Project CARS
Setup tuning and pit strategy reward deep study
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.