IN-DEPTH LOOK AT 2020 SIERRA HEAVY DUTY’S POWERFUL CAPABILITY
2020 GMC Sierra Heavy Duty Highlights Best-in-class, available, max towing capacity; up to 35,500 lbs. Class-leading, available, 15 camera views World’s first, available, six-function MultiPro Tailgate First HD in its class with, available, Allison 10-speed transmission First HD in its class with, available, Head-Up Display and Rear Camera mirrors Best-in-class HD cargo bed volume Best-in-class…