Paint, Magnus Gray Matte

Years 2026 Models 3 Factory citations 3

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Also documented for Cadillac Chevrolet

Documented applications

Hummer EV Pickup (2022–2027)

2026 Factory-verified

included and only available with WFP; touch-up WA-234K

GM factory document — 2026 gmc hummer ev pickup fleet order guide, p.34.

Hummer EV SUV — BT1 (2024–2027)

2026 Factory-verified

only with the Carbon Fiber Edition Package (WFP) and the Velocity Ember interior (EHM); touch-up WA-234K. GM Authority lists the paint code (checked 2026-10-07).

GM factory document — 2026 gmc hummer ev suv fleet order guide, p.30.

Sierra EV — BT1 (2024–2027)

2026 Factory-verified

additional charge; not available on 3SB or 3SC; touch-up WA-234K

GM factory document — 2026 gmc sierra ev fleet order guide, p.47.

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