QOU ✓ Factory-verified

GMC · Regular Production Option

Wheel, spare, 18" (45.7 cm)

Years 2027 Models 1 Factory citations 2

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Documented applications

Sierra HD — T1XX (2020–2027) →

• 2027 ✓ Factory-verified

  only in: 2500 HD; GM prints the metric size as 50.8 cm (that is 20 inches); AT4X: included in the trim group, upgradeable; Pro, SLE, SLT, AT4, Denali, Denali Ultimate: not offered

  ⛭ GM factory document — 2027 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, p.18.

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