GVWR, 4255 lbs. (1930 kg)

Years 2006–09, 2025–27 Models 2 Factory citations 7

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Also described as GVW rating, 4,240 lbs

Also documented for Buick

Documented applications

HHR (2006–2011)

2006–2009 Factory-verified

GM factory document — 2006 chevrolet hhr rpo code list, p.1.
GM factory document — 2007 chevrolet hhr rpo code list, p.1.
GM factory document — 2008 chevrolet hhr rpo code list, p.1.
GM factory document — 2009 chevrolet hhr rpo code list, p.1.

Trailblazer — First generation, VSS-F (2021–2027)

2025–2027 Factory-verified

2025–2026: RS, ACTIV: S; LS, LT: O; 2027: RS: S; LS, LT: O; with L3T on FWD

GM factory document — 2025 chevrolet trailblazer fleet order guide, p.7.
GM factory document — 2026 chevrolet trailblazer fleet order guide, p.7.
GM factory document — 2027 chevrolet trailblazer limited fleet order guide, p.8.

This page aggregates every documented appearance of C2Y in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.