Discover the unparalleled power and refined luxury of the 2025 GMC Sierra 2500HD Denali. This exceptional heavy-duty pickup is engineered to conquer any challenge with its Duramax 6.6L V8 Turbodiesel engine, delivering an impressive 470 horsepower and 975 lb-ft of torque.- Onyx Black exterior- Black interior- Engine block heater- 220-amp alternator- Gooseneck/5th wheel prep package- Denali Reserve Package- Bose premium 7-speaker sound system- SiriusXM with 360L trial subscription- Steering wheel audio controls- Air conditioning- Electric rear-window defogger- 120-volt bed-mounted power outletElevate your driving experience with the Sierra 2500HD Denali's exceptional capabilities and premium features. Schedule a test drive today and discover the true meaning of power and luxury.