- 2018–2019, 2021 Factory-verified
High Country: S; 2021: GM Authority's 2022 changes page, which lists its deletion for 2022; no source prints the code for 2020
SN6 Factory-verified
Also described as Wheels, 20" polished aluminum
Documented applications
- 2027 Factory-verified
LT: O; Z71, High Country, RS: not offered; included with and only available with WJU
This page aggregates every documented appearance of SN6 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.