"Here is the advertisement for the 2025 GMC Sierra 3500HD Denali Ultimate: Discover the ultimate in heavy-duty capability and premium luxury with this exceptional 2025 GMC Sierra 3500HD Denali Ultimate. Boasting an impressive Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission, this Sierra 3500HD delivers uncompromising power and performance for all your towing and hauling needs. - ACCIDENT FREE VEHICLE - ONE OWNER - Onyx Black exterior - Black interior - Dual 220-amp alternators - All-weather floor liners - 20"" high gloss black painted wheels - Gooseneck/5th wheel prep package - Hitch package - Snow plow prep/camper package - Technology package Elevate your driving experience with a wealth of premium features, including the Bose Premium Series 12-speaker audio system, SiriusXM with 360L, heated and ventilated front seats, heated rear seats, a power sunroof, and so much more. The Sierra 3500HD Denali Ultimate also offers advanced safety and trailering technologies like the ProGrade Trailering System, Trailer Camera Provisions, and Trailer Tire Pressure Monitoring. This one-owner, accident-free Sierra 3500HD Denali Ultimate is a true workhorse with unmatched capability and uncompromising luxury. Schedule your test drive today and discover the ultimate in heavy-duty performance."