23U Factory-verified

GMC · Regular Production Option

Paint, primary exterior, Ocean Blue

Years 1998–00 Models 5 Factory citations 9
Query this via API →

Also described as Primary exterior color, Space Blue Metallic

Also documented for CadillacChevroletOldsmobile

Documented applications

This page aggregates every documented appearance of 23U in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.