- 2018–2019 Factory-verified
premium paint; not on base, Preferred or Avenir; dropped for 2020; 2018: GM order guide via GM Authority; 2019: GM Authority
GGA Factory-verified
Also documented for CadillacChevroletGMC
Documented applications
- 2018 Factory-verified
premium paint; not on Base
- 2017 Confirmed
new for 2017, premium paint, late availability (GM's 2017 list)
This page aggregates every documented appearance of GGA in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.