Paint, Neptune Blue Matte

Years 2024–25 Models 2 Factory citations 1

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Also described as Paint, Moonlight Matte

Also documented for Cadillac Chevrolet

Documented applications

Hummer EV Pickup (2022–2027)

2024 Single-source

Omega Edition (WFP) color; deleted for 2025; GM Authority 2024 and 2025 changes pages

Sierra EV — BT1 (2024–2027)

2025 Factory-verified

additional charge; touch-up WA-139H

GM factory document — 2025 gmc sierra ev denali fleet order guide, p.22.

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