A strange photo shows a GMC Sierra AT4 bottomed out on some structure in a parking lot. We're really like to know what the ...
The Sierra AT4 has a standard 3.0L Duramax Turbo Diesel ... in case you need to take your RV ... off-roading? GMC's midsize truck has several trims to choose from, from the simplest Elevation ...
GM has deleted the Mud Terrain tire option on the 2025 GMC Canyon AT4, leaving the rugged midsize pickup truck only with All Terrain tires.
Showing the 2020 GMC Sierra 1500 4WD Double Cab 147" AT4 $5,065 Starting MSRP $5,065 Starting MSRP $3,355 Starting MSRP includes (PDO) AT4 Preferred Package (R3O) LT275/65R18C MT blackwall ...