- 2017 Factory-verified
touch-up paint WA-139X; extra charge; not with SL; available with WFP; the guide marks it new
G7Q Factory-verified
Also described as Graphite Gray Metallic
Also documented for BuickCadillacChevrolet
Documented applications
- 2018, 2020 Single-source
touch-up WA-139X; extra cost, not on SL; 2018: GM Authority 2018 exterior colors page; 2020: GM Authority 2020 exterior colors page
- 2019 Factory-verified
touch-up WA-139X; extra cost, not on SL
This page aggregates every documented appearance of G7Q in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.