Charlie Morningstar vs Drive Knight: who would win?

Drive Knight favored — Slight edge (~55%)

Charlie Morningstar · Hazbin Hotel · Base

Tier
9-C, up to 5-B
Attack Potency
Street Level, up to Planet Level+
Speed
Subsonic+, up to Supersonic
Durability
Street Level, up to Planet Level+

Drive Knight · One-Punch Man · Base

Tier
9-C, up to 6-B
Attack Potency
Street Level, up to Country Level
Speed
Massively Hypersonic+
Durability
Street Level, up to Country Level

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.