- 2023–2024 Factory-verified
2023: Essence, Premium, Avenir; replaces GAN; 2024: GM Authority, premium paint on Essence and Premium, no charge on Avenir
GXD Factory-verified
Also documented for CadillacChevroletGMC
Documented applications
- 2025–2027 Factory-verified
touch-up WA-130H; premium paint on Preferred and Sport Touring; 2026: GM Authority gives the same code
This page aggregates every documented appearance of GXD in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.