Road Test: 2021 GMC Sierra 1500 Duramax 4WD Crew Cab AT4 CarbonPro
Clean Fleet Report
MARCH 30, 2021
The electric-assisted steering had good road feel with responsiveness and little body roll in most cornering situations. Our Sierra AT4 also was equipped with the trailering package that included a trailer brake controller, jackknife alert and trailer electrical hook-ups. Road Test: 2020 Chevrolet Silverado 1500 Duramax.
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