Interior trim, Lunar Horizon (Jet Black/Light Grey), premium leather-alternative seating surfaces

Years 2025 Models 2 Factory citations 2

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Documented applications

Hummer EV Pickup (2022–2027)

2025 Factory-verified

seat code A50, front bucket seats with center console; trim groups 1SC and 1SD

GM factory document — 2025 gmc hummer ev pickup fleet order guide, p.27.

Hummer EV SUV — BT1 (2024–2027)

2025 Factory-verified

SUV guide wording: Seat trim, premium leather-alternative seating surfaces, front bucket seats (A50), Lunar Horizon interior (Jet Black and Light Grey). decor levels 1SF, 1SG.

GM factory document — 2025 gmc hummer ev suv fleet order guide, p.25.

This page aggregates every documented appearance of H9Z in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.