Sierra 2500

Denali

Spider

AWD4WD

8-Cylinder Turbo

Diesel

2025 GMC SIERRA 2500HD DENALI 4WD DURAMAX ONYX BLACK | 6.6L DIESEL | LOW MILES | LANCASTER PA Heavy-duty muscle meets true Denali luxury. This 2025 GMC Sierra 2500HD Denali 4WD in Onyx Black is built for buyers who need serious towing capability without giving up refinement, technology, or comfort. Powered by the legendary 6.6L Duramax Turbo Diesel V8 paired with a 10-Speed Automatic, this Sierra delivers relentless torque, smooth highway manners, and class-leading trailering confidence. If youre searching for a 2025 GMC Sierra 2500HD Denali Duramax for sale in Lancaster PA, this is the one that checks every box. DURAMAX POWER &amp; HD CAPABILITY 6.6L Duramax Turbo Diesel V8 10-Speed Automatic Transmission 4WD with 2-Speed Active Transfer Case 3.42 Rear Axle Ratio X31 Off-Road Package Hill Descent Control Polished Exhaust Tip Built to tow, haul, and work hard every day without compromise. ADVANCED TRAILERING &amp; HD CAMERA SYSTEMS Gooseneck / 5th Wheel Prep Package HD Surround Vision Bed View Camera with Trailer Camera Provisions Integrated Trailer Brake Controller Trailer Side Blind Zone Alert Trailer Viewing Software Ultrasonic Front &amp; Rear Park Assist Ideal for RVs, equipment trailers, horse trailers, and jobsite hauling across Pennsylvania. DENALI INTERIOR HEAVY DUTY, DONE RIGHT Jet Black Forge Perforated Leather Seats Heated &amp; Ventilated Front Seats Heated Second-Row Outboard Seats Heated Steering Wheel 12-Way Power Driver &amp; Passenger Seats with Memory Floor-Mounted Center Console Power Sliding Rear Window Power Sunroof Luxury-grade comfort in a true HD truck. TECHNOLOGY &amp; CONNECTIVITY Navigation System Apple CarPlay &amp; Android Auto Wireless Charging Wireless Phone Projection Bose Premium 7-Speaker Audio SiriusXM with 360L Trial OnStar Services Capable Universal Home Remote Modern tech designed for long drives and hard work alike. DENALI EXTERIOR PRESENCE Signature Chrome Denali Grille Onyx Black Exterior LED Smoked Amber Roof Marker Lamps Spray-On Bedliner with GMC Logo LED Cargo Bed Lighting Rear Wheelhouse Liners Deep-Tinted Glass Commanding, upscale, and unmistakably Denali. LOW MILES ADVANTAGE 1,482 miles BELOW market average Hard-to-find condition for a 2025 HD diesel Denali. WHY THIS SIERRA 2500HD DENALI STANDS OUT Proven Duramax diesel reliability Fully loaded Denali with X31 Off-Road Package Factory gooseneck / fifth-wheel prep Ideal upgrade from LTZ, AT4, High Country, or Power Stroke competitors Located in Lancaster, Pennsylvania, serving Central PA, Harrisburg, York, Lebanon, Reading, and the Mid-Atlantic AVAILABLE NOW AT MARK MARTIN MOTORS LANCASTER, PENNSYLVANIA Duramax power. Denali refinement. Heavy-duty done right. This 2025 GMC Sierra 2500HD Denali 4WD is ready to work, tow, and impress. NO HAGGLE PRICING - 106 POINT CERTIFIED INSPECTION FINANCING AVAILABLE NATIONWIDE - WE WELCOME YOUR TRADES NO PRICING GAMES WITH HIDDEN FEES! CALL US FOR YOUR OUT THE DOOR PRICE. Call Us Today @ ! We are located in Lancaster PA near Harrisburg and Philadelphia. Disclaimer: We do our best to make sure this information is accurate; however, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with Mark Martin Motors.

Used 2025 GMC Sierra 2500 Denali

Used 2025 GMC Sierra 2500 Denali Ephrata PA 17522

Gooseneck/5th Wheel Prep Package

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Mark Martin Motors

Rochester NY

 for sale in Ephrata, PA. Learn more about this vehicle.

Used 2025 GMC Sierra 2500 Denali for sale in Ephrata, PA 17522: Truck Details - 769131805 | Kelley Blue Book

Used 2025 GMC Sierra 2500 Denali

w/ Gooseneck/5th Wheel Prep Package