CERTIFIED VEHICLE!! INCLUDES ADDITIONAL12/12 COMPREHENSIVE WARRANTY! 2024 GMC Sierra 3500HD Denali Ultimate 4WD Certification Program Details: This vehicle is certified meeting or exceeding manufacturer standards and includes benefits such as 12 month or 12,000 factory warranty style protection, a 10 day vehicle exchange program, and more. Carbravo is the premier certification program backed by General Motors. Ask us for more details on this amazing program! Certified. Duramax 6.6L V8 Turbodiesel 10-Speed Automatic Onyx Black Advertised used vehicle prices do not include state or local taxes, registration costs or negotible dealer conveyance fee of $699.00.