- 2026–2027 Factory-verified
Denali Ultimate FWD: S; GM fleet model TLF56; shown in the trim headings of the 2026 and 2027 guides; NICB prints the series as Denali Ultimate FWD (2026)
5SC Factory-verified
Also described as Trim group, Denali, extended range
Documented applications
- 2025–2027 Factory-verified
Denali; the 2025 guide covers only the Denali groups 5SC and 5SD
This page aggregates every documented appearance of 5SC in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.