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 · Pure Mechanics
Retro arcade racer channeling Top Gear's pure lane-weaving speed.

Execution · Practiced Mastery
Arcade drift racing testing flowing car control and memorised optimal lines.
Horizon Chase Turbo leans Execution (Pure Mechanics); OutRun 2006: Coast 2 Coast 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.
Horizon Chase Turbo
Weaving through traffic and nailing fuel pickups
OutRun 2006: Coast 2 Coast
Sustained drift control at speed is the heart of it
Horizon Chase Turbo leans a little harder on reads, though the gap is small.
Horizon Chase Turbo
Rival cars run fixed rubber-band logic
OutRun 2006: Coast 2 Coast
Traffic is patterned, not predictive
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Horizon Chase Turbo
Minimal randomness in track layouts
OutRun 2006: Coast 2 Coast
Route branches you choose yourself - nothing hidden
OutRun 2006: Coast 2 Coast leans a little harder on optimization, though the gap is small.
Horizon Chase Turbo
Car stats and lap memorization help
OutRun 2006: Coast 2 Coast
Perfect drift lines and route choice are learnable theory
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.