Y55 ✓ Factory-verified

Buick · Regular Production Option

Premium Seat Package

Years 2025–27 Models 2 Factory citations 6

Query this via API →

Also described as Package, Comfort

Also documented for Chevrolet

Documented applications

Encore GX — VSS-F (2020–2027) →

• 2025–2027 ✓ Factory-verified

  Preferred, Sport Touring: O; includes A2X, AL9, KA1, UVD, D7P, DA5; also named by GM Authority

  ⛭ GM factory document — 2025 buick encore gx fleet order guide, p.10.

  ⛭ GM factory document — 2026 buick encore gx fleet order guide, p.10.

  ⛭ GM factory document — 2027 buick encore gx fleet order guide, p.10.

Envision — E2XX (2021–2027) →

• 2025–2027 ✓ Factory-verified

  2027: all trims: S

  ⛭ GM factory document — 2025 buick envision fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 buick envision fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 buick envision fleet order guide, p.1.

Related codes · mentioned in these notes

A2XAL9D7PDA5KA1UVD

This page aggregates every documented appearance of Y55 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.