C3M ✓ Factory-verified

GMC · Regular Production Option

GVWR, 4850 lbs (2200 kg)

Years 2025–27 Models 1 Factory citations 3

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Also documented for ChevroletOldsmobilePontiac

Documented applications

Terrain — Third generation (2025–2027) →

• 2025–2027 ✓ Factory-verified

  2025: S: Elevation AWD; not offered: Elevation FWD; 2026: S: Elevation AWD, AT4, Denali; not offered: Elevation FWD; 2027: S on all trims

  ⛭ GM factory document — 2025 gmc next generation terrain fleet order guide, p.4.

  ⛭ GM factory document — 2026 gmc next generation terrain fleet order guide, p.8.

  ⛭ GM factory document — 2027 gmc terrain fleet order guide, p.8.

Related codes · mentioned in these notes

FWD

This page aggregates every documented appearance of C3M in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.