C9V ✓ Factory-verified

GMC · Regular Production Option

GVWR, 12,700 lbs (5761 kg)

Years 2027 Models 1 Factory citations 2

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Also documented for Chevrolet

Documented applications

Sierra HD — T1XX (2020–2027) →

• 2027 ✓ Factory-verified

  only in: 3500 HD pickup; Pro, SLE, SLT, AT4, Denali, Denali Ultimate: O

  ⛭ GM factory document — 2027 gmc sierra 3500 hd retail and fleet fleet order guide rpo codes, p.1.

  ⛭ GM factory document — 2027 gmc sierra 3500 hd retail and fleet fleet order guide, p.74.

This page aggregates every documented appearance of C9V in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.