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2025 GMC SIERRA 2500HD DENALI ULTIMATE 4WD DURAMAX 6.6L TURBO DIESEL V8 GOOSENECK/5TH WHEEL PREP X31 OFF-ROAD PACKAGE WHITE FROST LANCASTER PA
This 2025 GMC Sierra 2500HD Denali Ultimate 4WD is powered by the legendary Duramax 6.6L Turbo Diesel V8 paired with a 10-speed Allison automatic transmission, delivering exceptional torque, effortless towing performance, and premium heavy-duty capability. Finished in White Frost, this Sierra is equipped with the Denali Ultimate Package, Gooseneck/5th Wheel Prep Package, X31 Off-Road Package, and a Power Sunroof.
The Duramax 6.6L Turbo Diesel continues to set the benchmark for heavy-duty diesel performance with tremendous pulling power, proven long-term reliability, and refined highway manners. Combined with the factory Gooseneck/5th Wheel Prep Package, this truck is built to confidently tow large campers, horse trailers, and heavy equipment from day one.
The Denali Ultimate represents the pinnacle of GMC's heavy-duty lineup, featuring full-grain Alpine Umber leather seating, heated and ventilated front seats, heated rear outboard seats, a 15-inch head-up display, Bose Premium Series 12-speaker audio system, HD Surround Vision, rear camera mirror, wireless charging, and the Technology Package. The signature Vader Chrome grille and exclusive Denali Ultimate interior set this truck apart from every other Sierra on the road.
The X31 Off-Road Package adds upgraded suspension, Hill Descent Control, skid plate protection, and an automatic-locking rear differential, giving this heavy-duty truck added confidence on job sites, back roads, and remote campsites without compromising its towing capability.
With its legendary Duramax diesel, luxurious Denali Ultimate interior, and factory towing equipment, this Sierra 2500HD delivers one of the finest combinations of capability, comfort, and technology available in a heavy-duty pickup.
See this Sierra today at Mark Martin Motors in Ephrata, proudly serving Lancaster, Lititz, Lebanon, and York. Call or message us today to check availability or schedule your test drive.
