- 2017–2019 Factory-verified
premium paint, new for 2017; not on 1SV; touch-up paint WA-397X; GM Authority names it for 2020 without the code
G8B Factory-verified
Documented applications
This page aggregates every documented appearance of G8B in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.