Onyx Black 2020 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather.Experience the CardinaleWay difference. We develop outstanding relationships were everybody wins. Prices do not include dealer installed Protection Package for $1785.00. Proudly serving Inland Empire, Corona, Riverside, Ontario, San Bernardino, Chio, Chino Hills, Norco, Orange County, Yorba Linda 92882.Plus government fees and taxes, any finance charges, any dealer document processing charge, any electronic filing charge, and any emission testing charge. Vehicles may be equipped with optional dealer installed equipment. Please contact dealer for final price.