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
Consistent lap-time precision supported by tuning and racing-line study.

Execution · Practiced Mastery
An esports-focused Gran Turismo built around ranked online sportsmanship racing.
Forza Motorsport 7 leans Execution (Practiced Mastery); Gran Turismo Sport 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.
Forza Motorsport 7
Braking points, throttle control and racing lines are everything
Gran Turismo Sport
Consistent qualifying-pace laps decide online rank
Gran Turismo Sport leans a little harder on reads, though the gap is small.
Forza Motorsport 7
Online racecraft adds light human positioning play
Gran Turismo Sport
Live opponents create positional duels into corners
Forza Motorsport 7 leans a little harder on variance, though the gap is small.
Forza Motorsport 7
Dynamic weather shifts conditions mid-race
Gran Turismo Sport
Mostly deterministic racing
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Forza Motorsport 7
Tuning setups and line study reward engineering effort
Gran Turismo Sport
Tyre and fuel strategy in longer races is solvable
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.