- 2015–2019, 2021–2022 Factory-verified
2015: LT: S; WT: O; Base, Z71: not offered; 2017: LT: S; WT: O; Base, Z71: not offered; 2018 from GM's 2018 Colorado order guide (PDF); 2021 from the upfitter list GM files for 2021 and 2022
BW4 Factory-verified
Documented applications
This page aggregates every documented appearance of BW4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.