- 2018–2020, 2022 Factory-verified
premium paint; not on Avenir in 2018–2020; 2022: Essence, Premium, Avenir; not in the 2023 guide; GM Authority names it without the code for 2021; 2018: GM order guide via GM Authority; 2019–2020: GM Authority color tables
GAN Factory-verified
Also documented for CadillacChevroletGMC
Documented applications
- 2013–2014, 2018–2019 Factory-verified
Dark Argent Metallic lower accent in 2013–2014, Black Carbon Metallic from 2018; 2018–2019: premium paint, not on Encore 1SV; not with the Saddle or Brandy interior
- 2017–2019 Factory-verified
premium paint; 2019: not on Base or Avenir
- 2015–2016 Factory-verified
touch-up WA-636R; 2016: on GM Authority's 2016 color list, by colour name only, the page prints no code
- 2019 Factory-verified
2019: premium paint; not on Avenir (2019 Sportback order guide)
- 2016 Factory-verified
2016: touch-up WA-636R; premium paint
- 2014, 2016 Factory-verified
2016: premium paint; 2014: GM 2014 fleet guide
This page aggregates every documented appearance of GAN in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.