While the Silverado began its life as the top trim level of the Chevrolet C/K pickup, the GMC Sierra 1500 was born as its own model - just adjacent to the C/K. Almost everybody knows the Sierra as a ...

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 competition ...