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.
Execution · Practiced Mastery
The original kart racer where drift technique fights item luck on Mode 7 tracks.

Execution · Pure Mechanics
Demolition derby racer with destructible PvP chaos.
Super Mario Kart leans Execution (Practiced Mastery); Wreckfest leans Execution (Pure Mechanics).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Super Mario Kart
Hop-drifting Mode 7 corners is genuinely technical
Wreckfest
Demolition driving, ramming angles
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Super Mario Kart
Two-player battles reward predicting the rival
Wreckfest
Online derby PvP rewards ramming reads
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Super Mario Kart
Item rolls swing close races
Wreckfest
Crash physics chaos
Super Mario Kart leans a little harder on optimization, though the gap is small.
Super Mario Kart
Racing lines and shortcut mastery
Wreckfest
Car upgrades and durability tuning
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.