- 2015–2017, 2019 Factory-verified
2015–2016: SLT: S; SL, Canyon, SLE: not offered
RT5 Factory-verified
Also described as Wheels, 18 x 8.5, chrome aluminumWheels, 18 x 8.5 aluminum, design 1
Also documented for CadillacChevrolet
Documented applications
- 2014, 2017 Factory-verified
- 2019–2020, 2022–2023 Factory-verified
This page aggregates every documented appearance of RT5 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.