2015 GMC Sierra 3500HD Denali in Black. Sierra 3500HD Denali, GM Certified, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, Allison 1000 6-Speed Automatic, 4WD, Black, Brake assist, Exterior Parking Camera Rear, Heated front seats, Heated steering wheel, Navigation System, Perforated Leather-Appointed Seat Trim, SiriusXM Satellite Radio, and Ventilated front seats. Want to save some money? Get the NEW look for the used price on this one owner vehicle. Previous owner purchased it brand new! GM Certified Pre-Owned means you not only get the reassurance of a 12mo/12,000-Mile Bumper-to-Bumper limited warranty, but also an Exclusive CPO Maintenance Plan, up to a 6-Year/100,000-Mile, $0 Deductible, Fully Transferable, Powertrain Limited Warranty, a 172-point inspection/reconditioning, 24/7 roadside assistance, Courtesy Transportation, 3-Day/150-Mile Customer Satisfaction Guarantee, 3 month trial OnStar Directions & Connections Service if available, SiriusXM Radio 3mo trial if available, and a vehicle history report. This 2015 GMC Sierra 3500HD should give you a good, strong performance no matter what the job at hand, and you'll enjoy spending time in the roomy, well-finished cabin.