- 2018–2019, 2021 Factory-verified
SLE-2, SLT-1, SLT-2, Denali: O; requires the LGX engine, not with the All Terrain; the 2018 guide reads "Ultra-bright machined faced"; 2017 is left out because the 2017 guide's SHA is a chrome-plated wheel, a different wheel (next row); 2021: offered for SLE (GM Authority); its 2022 changes page lists it as deleted for 2022; 2021: GM Authority 2021 changes page
- 2017 Factory-verified
the 2017 guide's wheels page prints SHA as chrome-plated wheels; from 2018 SHA is the bright machined face wheel with Satin Graphite pockets (row above)
SHA Factory-verified
Also described as LPO, wheels, 20 inch (50.8 cm), chrome-plated
Documented applications
This page aggregates every documented appearance of SHA in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.