What the 1500 Means to the GMC Sierra 1500
In 1999, the GMC Sierra 1500 crossed the assembly line and premiered in regular and extended cab models. The Crew cab variation of the Sierra 1500 came a little later in 2005. However, the first three models of the GMC truck harbored exceptional engines: the 4.3-liter V6, a 4.8-liter V8, and a 5.3-liter V8. It…