- 2020, 2022–2023 Factory-verified
only in: Essence; 2020: GM Authority's 2020 Enclave page (codes printed on the line before their item; read so, HCR is the Sport Touring Edition), and its 2020 changes page names the edition new for Essence without the code; 2022–2023: Essence: O, with Q78 20-inch wheels in 2022 and QH5 20-inch Gloss Black wheels in 2023
HCR Factory-verified
Also documented for Chevrolet
Documented applications
This page aggregates every documented appearance of HCR in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.