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 ...

Showing the 2021 GMC Sierra 3500 2WD Reg Cab 142" $0 Starting MSRP Wondering which trim is right for you? Our 2021 GMC Sierra 3500 trim comparison will help you decide.

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 ...