Road Test: 2021 GMC Sierra 1500 Duramax 4WD Crew Cab AT4 CarbonPro
Clean Fleet Report
MARCH 30, 2021
About those radio knobs and the climate control wheels: they are constructed using a cheap-feeling chromed plastic. Is the 2021 GMC Sierra 1500 Duramax the best 1500 pickup on the market? In addition, we aim to offer reviews and news on advanced technology and the alternative fuel vehicle market. A signature stitch.
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