EH9 ✓ Factory-verified

GMC · Regular Production Option

Interior trim, Forest Storm, CoreTec seating surfaces

Years 2026–27 Models 1 Factory citations 2

Query this via API →

Documented applications

Sierra EV — BT1 (2024–2027) →

• 2026–2027 ✓ Factory-verified

  seat code AR9, front bucket seats with center console; AT4 trim groups 4SC and 4SD

  ⛭ GM factory document — 2026 gmc sierra ev fleet order guide, p.47.

  ⛭ GM factory document — 2027 gmc sierra ev fleet order guide, p.46.

Related codes · mentioned in these notes

4SC4SDAR9

This page aggregates every documented appearance of EH9 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.