Prices shown for the used 2022 GMC Sierra 1500 Crew Cab AT4 4WD 6.2L V8 with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit ...

The GMC AT4 sub-brand can be found across Big Red's lineup, with the vast majority of models offering an AT4 variant. The ...

View all 2022 GMC Sierra 1500 specs. The good ... which is a more luxurious upgrade to the still-available AT4 off-road variant. GMC bills the AT4X as a balanced approach to a premium off-road ...