- 2015–2018 Factory-verified
2015–2018: SLE: S; SLT, Denali: not offered; 2018 from GM's 2018 Yukon order guide
AT6 Factory-verified
Also described as Seats, rear 60/40 bench, manual, configurable
Also documented for BuickCadillacChevroletOldsmobilePontiac
Documented applications
- 2022–2023 Factory-verified
- 2015–2017 Factory-verified
SLE: S; SLT, Denali: not available
- 2022–2023 Factory-verified
This page aggregates every documented appearance of AT6 in the GMC reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.