Pacific Blue Metallic

Years 2020 Models 1

Also documented for Buick

Documented applications

Trax — first US generation (2015–2022)

2020 Single-source

GM Authority's 2020 changes page says Pacific Blue Metallic changed from G6O to GUM for 2020; no GM document read

This page aggregates every documented appearance of GUM in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.