Before Sierra became a full-size truck model of its own in 1988, the name was used to describe an available trim on other GMC trucks. The GMC Sierra has done well in sales despite stiff ...

The GMC Sierra 1500HD was first introduced as a heavy-duty crew cab truck in 2001. For 2007, the Sierra 1500HD resided as part of the GMC brand’s Classic line of trucks based on the outgoing GMT800 ...

GM has issued a safety recall comprising a small number of Chevrolet and GMC trucks ... year of the old-gen Silverado and Sierra in light-duty flavor. The old heavy-duty truck lines soldiered ...