Max vs Pegasus: who would win?

Max favored — Slight edge (~55%)

Max · One-Punch Man · Base

Tier

9-B, up to HIGH 7-C

Attack Potency

Wall Level, up to Large Town Level

Speed

Massively Hypersonic

Durability

Large Town Level

Pegasus · Dungeons & Dragons · Base

Tier

9-B, up to 9-A

Attack Potency

Wall Level, up to Small Building Level

Speed

Relativistic+, up to Ftl

Durability

Wall Level, up to Small Building Level

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