XL4 ✓ Factory-verified

GMC · Regular Production Option

Skid plate, front, steel underbelly shield

Years 2026–27 Models 1 Factory citations 2

Query this via API →

Also documented for Chevrolet

Documented applications

Terrain — Third generation (2025–2027) →

• 2026–2027 ✓ Factory-verified

  S: AT4; not offered: Elevation, Denali

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

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

This page aggregates every documented appearance of XL4 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.