This is a gorgeous Sierra 3500HD Denali Dually. Two owner, with a Good Carfax. Been here in Georgia since it was brand new. With only 53,268 miles, this 6.6 liter Duramax Diesel is just getting broke in. Fully loaded, and has all the options. Just installed new tires all around. Runs great and drives really smooth. The paint and body are in excellent condition. The leather interior is pristine. Power windows, locks, mirrors, seats, power sunroof, power folding and telescoping tow mirrors, and power back sliding glass. Remote start, heated and cooled front seats, heated second row seats, GMC Infotainment system, with touchscreen display, Bose sound system, Apple Carplay, Android Auto, navigation, Bluetooth, satellite radio, rear view camera, HD Surround View Camera, bed view camera, front and rear parking sensors, forward collision alert, lane departure warning, blind spot warning, adaptive cruise control, and steering wheel mounted controls. Tow/haul package, trailer package, 5th wheel prep package, multi-pro tailgate, six inch chrome running boards, and factory spray in bedliner.