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 · Twitch Chaos
A party racing game about rolling Kirby to collect the most strawberries.

Execution · Twitch Chaos
Kart racing execution moderated by item randomness and learnable track routes.
Kirby's Dream Buffet leans Execution (Twitch Chaos); Sonic & All-Stars Racing Transformed leans Execution (Twitch Chaos).
Sonic & All-Stars Racing Transformed leans a little harder on execution, though the gap is small.
Kirby's Dream Buffet
Rolling and dodging on courses needs decent control
Sonic & All-Stars Racing Transformed
Drift timing and transforming vehicle control reward practice
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby's Dream Buffet
Human racers add light prediction but items dominate
Sonic & All-Stars Racing Transformed
Human racers add light positional mind games
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Kirby's Dream Buffet
Item pickups and course chaos swing outcomes
Sonic & All-Stars Racing Transformed
Item rolls regularly upend race positions
Sonic & All-Stars Racing Transformed leans a little harder on optimization, though the gap is small.
Kirby's Dream Buffet
Knowing shortcuts and ability use helps modestly
Sonic & All-Stars Racing Transformed
Track shortcuts and drift-boost routes 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.