- 2018–2019 Factory-verified
new for 2018; premium paint; Black Carbon Metallic lower accent
GB0 Factory-verified
Also described as Ebony Twilight Metallic
Also documented for Chevrolet
Documented applications
- 2025–2027 Factory-verified
touch-up paint WA-506B; extra cost on Preferred and Sport Touring
- 2024–2026 Factory-verified
extra cost on Preferred and Sport Touring; 2024 from GM Authority's list of 2024 Envista paint colors
This page aggregates every documented appearance of GB0 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.