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

Execution · Practiced Mastery
Soft-body physics sandbox driving and crashing.

Execution · Pure Mechanics
A destruction-heavy racer where holding a line through flying debris is the core skill.
BeamNG.drive leans Execution (Practiced Mastery); FlatOut leans Execution (Pure Mechanics).
FlatOut leans a little harder on execution, though the gap is small.
BeamNG.drive
Soft-body physics car control
FlatOut
Car control through destructible chaos at speed
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
BeamNG.drive
Mostly sandbox, no adaptive opponents
FlatOut
AI racers don't adapt; multiplayer reads are shallow
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
BeamNG.drive
Emergent crash physics outcomes
FlatOut
Physics debris and crash chaos inject randomness
BeamNG.drive leans a little harder on optimization, though the gap is small.
BeamNG.drive
Vehicle tuning, scenario routing
FlatOut
Lines, upgrades, and nitro management are learnable
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.