Certified. Onyx Black 2021 GMC Sierra 3500HD Denali 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel DETAILED INTERIOR AND EXTERIOR FOR DELIVERY, MULTI POINT SAFETY AND MECHANICAL INSPECTION PERFORMED BY CERTIFIED TECHNICIAN, 10-Speed Automatic, 4WD, Black Leather. Recent Arrival! Odometer is 17914 miles below market average! GM Details: * Transferable Warranty * Powertrain Limited Warranty: 72 Month/100,000 Mile (whichever comes first) from original in-service date * Vehicle History * Roadside Assistance * Warranty Deductible: $0 * Limited Warranty: 12 Month/12,000 Mile (whichever comes first) from certified purchase date * 24 months/24,000 miles (whichever comes first) Certified Pre-Owned Scheduled Maintenance Plan and 3 days/150 miles (whichever comes first) Vehicle Exchange Program. SiriusXM 3-month trial subscription * 172 Point Inspection Prices does not include tax, title, license or $599 dealer doc fee. Some of our Pre-Owned vehicles may be subject to unrepaired safety recalls. Check for a vehicle's unrepaired recalls by VIN at http://vinrcl.safercar.gov/vin/