Autotrader has 41 Used GMC Sierra 1500 cars for sale near Bridgeport, CT, including a 2014 GMC Sierra 1500 2WD Double Cab SLE, a 2015 GMC Sierra 1500 4x4 Double Cab SLT, and a 2017 GMC Sierra 1500 4x4 Crew Cab Denali ranging in price from $24,996 to $57,885.