- 2026–2027 Factory-verified
O: Elevation; not offered: AT4, Denali; included in, and only available with, PCH; the 2027 guide says it is no longer available to order
5KE Factory-verified
Also documented for BuickChevrolet
Documented applications
This page aggregates every documented appearance of 5KE in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.