GMC Sierra Z71 2017 Used Automatic Gasoline For contact / 0533142438 GMC Sierra 2017 Double Full Option Lane Assist and Radar The color is very rare and GMC enthusiasts and those with experience will know it. It's the rocky color, the rarest color released for the Sierra, only in the 2017 model. Original airbags Engine has lifter noise, but this is common in GMCs and not a defect. Transmission is original and guaranteed. Chassis is guaranteed. Air conditioning is guaranteed. The car is rare in every aspect. The reason for selling is financial need. Selling with or without plates.