- 2015–2019 Factory-verified
2015: Z71: S; Base, WT, LT: not offered; 2017: Z71: S; Base, WT, LT: not offered; the upfitter lists read aluminum design 4; 2018 from GM's 2018 Colorado order guide (PDF)
R28 Factory-verified
Also described as Wheels, 17 inch 5-spoke painted aluminum
Documented applications
- 2015–2016 Factory-verified
1LT: O (with PCN or PDZ); printed as new for 2015
This page aggregates every documented appearance of R28 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.