2014 GMC Sierra Denali 4x4 Duramax 6.6 Turbo Diesel w/ Allison Transmission LOADED Denali Crew Cab 4x4 Dually!!! Just in Details to come. Michael Thomas Motor CO 636-465-XXXX www.MTMotorCars.com Bumper Detail - Rear Step, Exhaust Tip Color - Stainless Steel, Pickup Bed... via Americanlisted