SGY ✓ Factory-verified

GMC · Regular Production Option

LPO, spare wheel, 18 inch

Years 2025–26 Models 1 Factory citations 2

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Documented applications

Hummer EV SUV — BT1 (2024–2027) →

• 2025–2026 ✓ Factory-verified

  included in and available only with the LPO 18 inch Tech Bronze wheels (SMA). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL.

  ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.21.

  ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.25.

Related codes · mentioned in these notes

1SF1SG3VLSMA

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