1SG ✓ Factory-verified

GMC · Regular Production Option

Trim group, Hummer EV SUV 3X

Years 2000, 2025–26 Models 2 Factory citations 3

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Also described as Package, option 07

Also documented for BuickCadillacChevrolet

Documented applications

Hummer EV SUV — BT1 (2024–2027) →

• 2025–2026 ✓ Factory-verified

  trim group column heading in both guides (p.1): under 3X; the Carbon Fiber Edition Package (WFP) is offered in this column only.

  ⛭ GM factory document — 2025 gmc hummer ev suv fleet order guide, p.1.

  ⛭ GM factory document — 2026 gmc hummer ev suv fleet order guide, p.1.

Safari — Second generation (1995–2005) →

• 2000 ✓ Factory-verified
  ⛭ GM factory document — 2000 gmc safari 2wd rpo code list, p.1.

Related codes · mentioned in these notes

WFP

This page aggregates every documented appearance of 1SG in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.