- 2026–2027 Factory-verified
touch-up WA-234L; additional charge; the 2026 upfitter list names it White Sands Solid (234L)
G42 Factory-verified
Also described as Coastal Dune (touch-up WA-234L)
Also documented for BuickCadillacChevrolet
Documented applications
- 2026 Factory-verified
additional charge; touch-up WA-234L
- 2026 Factory-verified
extra charge; not offered with the Velocity Ember interior; touch-up WA-234L; GM Authority names it as a new 2026 color. GM Authority lists the paint code (checked 2026-10-07).
- 2026–2027 Factory-verified
additional charge; not available on Denali; not offered with the Desert Dune interior; touch-up WA-234L; 2026 marks it late availability
- 2027 Factory-verified
Pro, Elevation, AT4, AT4X, Denali, Denali Ultimate; extra charge; touch-up WA-234L
- 2026–2027 Factory-verified
new for 2026; touch-up WA-234L
- 2026 Factory-verified
touch-up WA-234L
- 2027 Factory-verified
- 2027 Factory-verified
This page aggregates every documented appearance of G42 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.