Like the regular-duty version of the Silverado and GMC Sierra, the heavy-duty version has been redesigned. The 2500 and 3500 HD models are offered in two- and four-wheel drive as well as the 'dually' ...
This has become a season for heavy-duty trucks, with GMC revealing its upcoming 2024 Sierra HD, right on the heels of the unveils for the related Chevrolet Silverado HD and updated Ford Super Duty.