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Confirming Denali also has same glass setup as NYisles1 stated is in AT4: front doors are laminated, rear are tempered.Looked on my At4, front windows say laminated. Rears do not. I do hear alot of wind noise coming from the rear but suspect the seals or exterior trim more than the glass itself.
I can't believe GM doesn't give the high country laminated front side windows. But they still charge 70k plus for this trim level.2022 high country tahoe, laminated front and tempered sides.