- 2015–2019 Factory-verified
2015: Base, WT: S; LT, Z71: not offered; 2017: Base, WT: S; LT, Z71: not offered; the upfitter lists read steel design 1; 2018 from GM's 2018 Colorado order guide (PDF)
RS2 Factory-verified
Documented applications
This page aggregates every documented appearance of RS2 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.