H9K ✓ Factory-verified

Buick · Regular Production Option

Interior trim, Cool Gray seats with Slate Blue interior accents, quilted and perforated leather-appointed with piping

Years 2025–27 Models 1 Factory citations 3

Query this via API →

Documented applications

Envision — E2XX (2021–2027) →

• 2025–2027 ✓ Factory-verified

  only in: Avenir (1SU); seat A51 front bucket; colour availability varies by paint (see the color and trim page)

  ⛭ GM factory document — 2025 buick envision fleet order guide, p.22.

  ⛭ GM factory document — 2026 buick envision fleet order guide, p.24.

  ⛭ GM factory document — 2027 buick envision fleet order guide, p.24.

Related codes · mentioned in these notes

1SUA51

This page aggregates every documented appearance of H9K in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.