- 2023 Factory-verified
touch-up 621G; the lists print Nimbus Met-1
G7X Factory-verified
Also described as Nimbus Metallic
Also documented for CadillacGMC
Documented applications
- 2014 Confirmed
new for 2014, late availability, extra cost; GM Authority 2014 changes article, which calls its list the official RPO-level changes
This page aggregates every documented appearance of G7X in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.