- 2009, 2014 Factory-verified
the 2014–2016 guides read Cyber Gray Metallic in 2014; the 2009 list prints "(09)".
57U Factory-verified
Also described as Primary color, exterior, Cyber Gray Metallic
Also documented for BuickCadillacChevroletSaturn
Documented applications
- 1998–2000 Factory-verified
This page aggregates every documented appearance of 57U in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.