Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base Used 2016 GMC Sierra 1500 Base