VXW Factory-verified

GMC · Regular Production Option

LPO, off-road high clearance steps

Years 2015–19, 2022–27 Models 7 Factory citations 28

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Also described as LPO, assist steps, moldedLPO, painted assist stepLPO, molded assist steps

Also documented for Buick Cadillac Chevrolet

Documented applications

Acadia — Second generation (C1XX) (2017–2023)

2018–2019 Factory-verified

2019 guide: SLE-1, SLE-2, SLT-1, SLT-2, Denali: O; included with the Exterior Convenience Package (PDE)

GM factory document — 2018 gmc acadia order guide copy gm authority, p.15, p.29.
GM factory document — 2019 gmc acadia order guide copy gm authority, p.15, p.32.

Acadia — Third generation (2024–2027)

2025–2027 Factory-verified

2025: Denali: O; Elevation, AT4: not offered; 2026–2027: Denali, Denali Ultimate: O; Elevation, AT4: not offered

GM factory document — 2025 gmc acadia fleet order guide, p.18.
GM factory document — 2026 gmc acadia fleet order guide, p.18.
GM factory document — 2027 gmc acadia fleet order guide, p.20.

Savana — GMT610 (2003–2027)

2015–2018, 2022–2027 Factory-verified

O on all trims; in the 2025–2027 guides only in the Cargo and Passenger guides

GM factory document — 2015 chevrolet express savana electrical body builders manual service manual 2015 en us, p.18.
GM factory document — 2018 chevrolet 18 express savana bodybuilders sm 2017nov06, p.17.
GM factory document — 2022 chevrolet 22 express savana electrical body builder sm en us 2021oct12, p.15.
GM factory document — 2025 chevrolet my25 express savana electrical bbm, p.13.
GM factory document — 2025 gmc savana cargo fleet order guide, p.28.
GM factory document — 2025 gmc savana passenger fleet order guide, p.21.
GM factory document — 2026 chevrolet my26 express savana electrical bbm, p.13.
GM factory document — 2026 gmc savana cargo fleet order guide, p.30.
GM factory document — 2026 gmc savana passenger fleet order guide, p.23.
GM factory document — 2027 gmc savana cargo fleet order guide, p.27.
GM factory document — 2027 gmc savana passenger fleet order guide, p.21.

Sierra 1500 — Next-Generation (2027)

2027 Factory-verified

Pro, Elevation 3SB, AT4, AT4X: O (ADI available); Elevation 3VL, Denali, Denali Ultimate: not offered; dealer-installed

GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide, p.41.
GM factory document — 2027 gmc next generation sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Sierra HD — T1XX (2020–2027)

2025–2027 Factory-verified

only in: 2500 HD and 3500 HD pickup; called the AT4 high clearance step in the AT4 premium plus package text; dealer-installed

GM factory document — 2025 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2027 gmc sierra 2500 hd retail and fleet fleet order guide rpo codes, p.1.

Sierra — T1XX (2019–2026)

2022–2026 Factory-verified

the upfitter lists read "Accessory, assist steps, molded"

GM factory document — 2022 gmc 22 sierra 1500 new electrical body builder sm en us 2022jul20, p.15.
GM factory document — 2023 gmc 23 sierra 1500 electrical body builder sm en us 2022oct12, p.16.
GM factory document — 2024 gmc 24 sierra 1500 sm electrical body builder esid 23dec12, p.18.
GM factory document — 2025 gmc my25 sierra 1500 electrical bbm, p.16.
GM factory document — 2025 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.
GM factory document — 2026 gmc sierra 1500 retail and fleet fleet order guide rpo codes, p.1.

Terrain — Second generation (D2XX) (2018–2024)

2019 Factory-verified

SLE, SLE Diesel, SLT, SLT Diesel, Denali: O; included with PCX; not with VQK

GM factory document — 2019 gmc terrain order guide copy gm authority, p.40.

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