DA9675The 2017 GMC Sierra 3500HD SLE features a powerful Duramax 6.6L Biodiesel Turbo V8 engine delivering 445 horsepower and 910 ft-lbs of torque. This model comes in a sleek Onyx Black exterior paired with a Dark Ash/Jet Black interior. Standard factory features include a premium audio system, touchscreen infotainment with Bluetooth connectivity, dual-zone automatic climate control, power-adjustable heated front seats, and keyless entry. The truck is equipped with durable all-weather floor mats, cruise control, and a rearview camera to enhance safety and convenience.