This is a pretty big upgrade over the 2021 cabin, and clearly the range-topper in GM's truck hierarchy ... To our eyes, the Sierra's more horizontal layout is a bit more modern and perhaps ...

Prices shown for the used 2021 GMC Sierra 1500 Crew Cab 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 options.

Prices shown for the used 2021 GMC Sierra 1500 Crew Cab SLE 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 options.

Please use care in your use of the information provided. How much horsepower and torque does a 2021 GMC Sierra 3500HD Base Regular Cab Long Box have? The 2021 GMC Sierra 3500HD Base Regular Cab ...