- 2025–2027 Factory-verified
2025: Denali: S; Elevation, AT4: not offered; 2026–2027: Denali: S; Elevation, AT4, Denali Ultimate: not offered
B5C Factory-verified
Also documented for Buick
Documented applications
This page aggregates every documented appearance of B5C in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.