PXD ✓ Factory-verified

GMC · Regular Production Option

Wheels, 18" (45.7 cm), machined aluminum with dark grey metallic accents

Years 2021, 2025–27 Models 1 Factory citations 3

Query this via API →

Also documented for Cadillac

Documented applications

Sierra HD — T1XX (2020–2027) →

• 2021, 2025–2027 ✓ Factory-verified

  only in: 2500 HD and 3500 HD pickup; GM Authority lists it as added for 2021; 2021: GM Authority 2021 Sierra HD page

  ⛭ 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.

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