- 2025–2026 Factory-verified
S8L Factory-verified
Documented applications
- 2025–2026 Factory-verified
available only with the Extreme Off-Road Package (Z6X). 2025: O in 1SF, 1SG; 2026: O in 1SF, 1SG; not offered in 3VL.
This page aggregates every documented appearance of S8L in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.