RTJ ✓ Factory-verified

GMC · Regular Production Option

Wheels, 20" (50.8 cm), high gloss black painted aluminum

Years 2021, 2025–27 Models 1 Factory citations 3

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Also documented for BuickChevrolet

Documented applications

Sierra HD — T1XX (2020–2027) →

• 2021, 2025–2027 ✓ Factory-verified

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

  ⛭ GM factory document — 2025 gmc sierra 3500 hd retail and fleet fleet order guide, p.112.

  ⛭ GM factory document — 2026 gmc sierra 3500 hd retail and fleet fleet order guide, p.122.

  ⛭ GM factory document — 2027 gmc sierra 3500 hd retail and fleet fleet order guide, p.109.

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