- 2027 Factory-verified
Pro: O; Elevation 3VL, AT4, AT4X, Denali Ultimate: not offered; Elevation 3SB: included in the trim group, upgradeable; Denali: included in the trim group
QAB Factory-verified
Also described as Tire, all, 275/60R20 SL 115S BW AL2
Also documented for ChevroletPontiac
Documented applications
- 2019–2020, 2022–2026 Factory-verified
the 2025–2026 guides: all-season, blackwall
This page aggregates every documented appearance of QAB in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.