- 2016–2019, 2021–2022 Factory-verified
2017: Z71: O; Base, WT, LT: not offered; Z71: requires SMY; in PDN; the 2016 upfitter list reads AT, the later lists MT; 2018 from GM's 2018 Colorado order guide (PDF); 2021 from the upfitter list GM files for 2021 and 2022
RGO Factory-verified
Documented applications
This page aggregates every documented appearance of RGO in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.