- 2025–2026 Factory-verified
SNR Factory-verified
Also described as Package, rear seat with storageSeat, rear up-level bench with storage, 60/40 folding
Also documented for Chevrolet
Documented applications
- 2025–2027 Factory-verified
only in: 2500 HD and 3500 HD pickup; Crew Cab; full-length bench, seatback storage, fold-out armrest with 2 cupholders and full cab width under-seat storage
- 2019–2020, 2022–2026 Factory-verified
the upfitter lists read "Seat, rear, split, folding, deluxe storage"
This page aggregates every documented appearance of SNR in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.