GVWR, 7,400 lb (3,357 kg)

Years 1989, 2009, 2016, 2018, 2025–27 Models 4 Factory citations 7

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Also described as GVWR, 7400 lbs (3357 kg)GVW rating, 7,400 lbGVW rating, 7,400 lbs

Also documented for Cadillac Chevrolet

Documented applications

Sierra — K2XX (2014–2019)

2016, 2018 Factory-verified

GM factory document — 2016 gmc sierra 1500 fleet order guide wayback, p.4.
GM factory document — 2018 gmc sierra 1500 order guide copy gm authority, p.88.

Vandura and Rally — Second generation G-series (1983–1996)

1989 Factory-verified

G30; shared G-van platform code; cited from the Chevrolet G-Van kit

GM Heritage factory kit — 1989 Chevrolet G Van, p.34.

Yukon — GMT900 (2007–2014)

2009 Factory-verified

GM factory document — 2009 gmc yukon 2wd rpo code list, p.1.

Yukon — T1XX (2021–2027)

2025–2027 Factory-verified

2027: Elevation, Denali: S; only in: Yukon (the Yukon XL guides do not print it)

GM factory document — 2025 gmc new yukon denali fleet order guide, p.10.
GM factory document — 2026 gmc yukon denali fleet order guide, p.10.
GM factory document — 2027 gmc yukon fleet order guide, p.10.

This page aggregates every documented appearance of C6C in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.