- 2017 Factory-verified
LT, Premier: O; not with the Light Ash Gray/Ceramic White interior; touch-up paint WA-413B; includes TUS grille
GGB Factory-verified
Also described as Arctic Blue MetallicPaint, Sterling Blue Metallic
Also documented for Cadillac
Documented applications
- 2017 Factory-verified
touch-up WA-413B
- 2018 Factory-verified
touch-up WA-413B; not on L; not with the Jet Black/Kalahari interior
- 2017 Confirmed
new for 2017 (GM's 2017 Impala RPO change list, GM Authority)
- 2017–2018 Factory-verified
2017: 5-door only, extra cost; GM Authority 2019 page says it was dropped for 2019
This page aggregates every documented appearance of GGB in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.