- 2017–2019, 2021–2022 Factory-verified
LT: with WGQ only (2018 guide); the upfitter lists read 18 x 7.5 aluminum, design 1; 2018 from GM's 2018 Colorado order guide (PDF); 2021 from the upfitter list GM files for 2021 and 2022
RSZ Factory-verified
Also described as Wheels, 18 inch aluminumWheels, 18 inch aluminum, machined face
Documented applications
- 2018 Factory-verified
2018: sedan O: 1SF; hatch O: 1SH, 1SF; included: 1SG
- 2025–2026 Factory-verified
ACTIV: S
This page aggregates every documented appearance of RSZ in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.