- 2017–2019 Factory-verified
1SP only, premium paint; new for 2017 (GM Authority's 2017 page)
GR5 Factory-verified
Also described as Smoked Pearl Metallic
Documented applications
- 2019 Factory-verified
2019: premium paint; not on Regal (2019 Sportback order guide)
This page aggregates every documented appearance of GR5 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.