Navigation. Denali Sierra 2500 HD. Duramax Diesel Crew Cab. 6 1/2 ft bed. 20 chrome wheels. Look at this nice 1-owner local trade. We sold new. Original MSRP = $60,570. Read on. All the options you want. Navigation radio with rear camera. Z71 Package. Heated & cooled seats. Camper style mirrors. Even heated steering wheel. 5th wheel ball in bed. Duramax Diesel with Allison transmission. Onyx black with ebony leather. Clean 1-owner Carfax free to view. GM Certified = remainder of 4 years or 48,000 mile bumper to bumper warranty. Also 5 year 100,000 mile powertrain warranty. Plus get 2 years of oil changes and tire rotations at no charge. Look at these verified options: Front bucket seats. Leather seats. Power driver and passenger seats. Lumbar. Heated and cooled seats. Memory seat. Dual climate control. XM radio. Compact disc player. Bose Uplevel audio. Navigation radio. Rearview camera. Side air bags. Onstar. Traction control. Rear park assist. 5th wheel hitch. Nerf bars. Trailer towing package. Locking rear differential. Z71 off road package. Clearance lights. Bed liner. 20 chrome wheels. Tilt steering wheel and cruise control. Power locks and windows. Keyless entry. Remote start. Driver info center. Bluetooth. Steering wheel controls. Garage door transmitter. Adjustable foot pedals. One-owner. GM Certified. In Service Date: 2-28-11 Factory specs for each GM vehicle are posted on our website. Click on Download Details for factory options.