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

Optimization · Pure Optimization
A racing team management game where tire strategy and car development optimization drive results.

Optimization · Pure Optimization
A grand strategy 4X where empire optimization carries you through random crises.
Motorsport Manager leans Optimization (Pure Optimization); Stellaris leans Optimization (Pure Optimization).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Motorsport Manager
No physical driving inputs; menu-driven management only
Stellaris
Real-time pausable with no input precision.
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Motorsport Manager
Rival teams adapt race strategy in limited but real ways
Stellaris
AI is scripted; multiplayer adds modest adaptation.
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Motorsport Manager
Safety cars, weather changes, and mechanical failures introduce hidden chaos
Stellaris
Galaxy gen, anomalies, and crises vary widely.
Motorsport Manager leans a little harder on optimization, though the gap is small.
Motorsport Manager
Pit timing, compound choice, and car development are deeply solvable systems
Stellaris
Empire builds, fleet comps, and economy dominate.
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.