The 2020 GMC Sierra 3500HD moves to General Motors' latest full-size pickup platform, which debuted on regular-duty Sierra 1500 trucks last year. This means a longer wheelbase, a taller cab, greater towing capability, and additional possibilities for handling cargo.
Because of its roots as a work truck, the 2015 Sierra 3500HD is offered in a variety of body styles, and picking the right one for you is the first step in selecting your truck. The body options include a regular cab with an eight-foot bed; a double cab with an eight-foot bed; and a... Read more »
In 2007, GMC unveiled the second-generation Sierra 3500 with a slight name change to the 3500HD to go along with body and interior changes. This change brought the deletion of the 8.1-liter and the revision of the 6-liter and 6.6-liter engines to 353 horsepower and 373 pound-feet of torque, and 365 horsepower and 660 pound-feet... Read more »