Ahead of its official debut at the Detroit Auto Show, GMC has revealed its new Sierra All Terrain HD Concept, giving a look at a possible off-road version of the big truck, while also previewing ...

Prices shown for the used 2021 GMC Sierra 1500 Crew Cab Denali 4WD with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit ...

Prices shown for the used 2021 GMC Sierra 1500 Crew Cab Elevation 4WD with NaN miles are what people paid to buy this vehicle or what people received when trading in this vehicle at a dealer. Edit ...