- 2026 Factory-verified
touch-up paint WA-227K; new for 2026; extra cost on Preferred and Sport Touring
GAS Factory-verified
Also described as Brilliant Red
Also documented for ChevroletGMC
Documented applications
- 2025–2027 Factory-verified
2027: premium paint except on Avenir; new for 2025
- 2026 Factory-verified
extra cost on Preferred and Sport Touring
This page aggregates every documented appearance of GAS in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.