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
A kart racer with an adventure structure and three vehicle types, lighter on item chaos than its rivals.

Execution · Practiced Mastery
An open-world LEGO arcade racer with transforming vehicles and item-based races.
Diddy Kong Racing leans Execution (Practiced Mastery); LEGO 2K Drive leans Execution (Practiced Mastery).
Diddy Kong Racing leans a little harder on execution, though the gap is small.
Diddy Kong Racing
Drift boosts across car, hovercraft and plane demand precision.
LEGO 2K Drive
Drifting, boosting and transform timing reward skilled hands
LEGO 2K Drive leans a little harder on reads, though the gap is small.
Diddy Kong Racing
Multiplayer item duels add mild prediction; AI is scripted.
LEGO 2K Drive
Online races add light human positioning play
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Diddy Kong Racing
Balloon pickups and items inject moderate randomness.
LEGO 2K Drive
Item pickups inject kart-racer randomness
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Diddy Kong Racing
Vehicle choice, balloon upgrade routes and boss strategies converge.
LEGO 2K Drive
Vehicle builds and racing lines 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.