Autotrader has 22 Certified GMC cars for sale near Knoxville, TN, including a 2016 GMC Canyon 2WD Crew Cab SLE, a 2016 GMC Sierra 1500 4x4 Crew Cab SLT, and a 2017 GMC Sierra 1500 4x4 Crew Cab SLT ranging in price from $17,103 to $60,510.