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

Optimization · Practiced Mastery
A driving sim testing smooth vehicle handling against timetables and traffic rules.

Execution · Practiced Mastery
Tests casual open-world chaos appetite more than any skill axis.
Bus Driver leans Optimization (Practiced Mastery); Saints Row 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.
Bus Driver
Smooth braking and lane discipline are the physical test
Saints Row
Forgiving shooting and driving demand little precision
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Bus Driver
Traffic follows predictable scripted rules
Saints Row
Gang AI runs simple fixed scripts
Saints Row leans a little harder on variance, though the gap is small.
Bus Driver
Routes and conditions are set per scenario
Saints Row
Open-world events vary mildly between sessions
Bus Driver leans a little harder on optimization, though the gap is small.
Bus Driver
Timetable adherence and rule-following decide the score
Saints Row
Perks, weapons and venture economy reward light planning
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.