Sierra 2500

Denali

Spider

AWD4WD

8-Cylinder Turbo

Diesel

2025 GMC SIERRA 2500HD DENALI 4WD FOR SALE ONYX BLACK | DURAMAX DIESEL | X31 OFF-ROAD | LANCASTER PA Heavy-duty muscle with real Denali luxury. This 2025 GMC Sierra 2500HD Denali 4WD in Onyx Black is the exact setup diesel buyers search for: 6.6L Duramax power, advanced trailering technology, and a refined Denali interior built for long hauls and heavy loads. Whether youre towing, working, or upgrading to a premium HD truck, this Sierra delivers capability without compromise. Located in Lancaster, Pennsylvania, this truck is perfectly positioned for buyers across Central PA, Harrisburg, York, Lebanon, Reading, and the Mid-Atlantic region looking for a 2025 GMC Sierra 2500HD Denali Duramax for sale. DURAMAX DIESEL POWER &amp; HD PERFORMANCE 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 Gooseneck / 5th Wheel Prep Package Built to tow hard, pull heavy, and stay composed under load. ADVANCED TRAILERING &amp; CAMERA TECHNOLOGY HD Surround Vision Bed View Camera with Trailer Camera Provisions Trailer Viewing Software Trailer Side Blind Zone Alert Rear Cross Traffic Alert Ultrasonic Front &amp; Rear Park Assist Confidence-inspiring tech for towing, parking, and maneuvering large trailers. DENALI INTERIOR FULL-SIZE LUXURY Black Perforated Leather-Appointed Seating Heated &amp; Ventilated Front Seats Heated Second-Row Outboard Seats Heated Steering Wheel 12-Way Power Driver &amp; Passenger Seats with Memory Dual-Zone Automatic Climate Control Power Sliding Rear Window Power Sunroof Quiet, comfortable, and unmistakably Denali. TECHNOLOGY &amp; CONNECTIVITY GMC Navigation System Apple CarPlay &amp; Android Auto Wireless Charging Wireless Phone Projection Bose Premium 7-Speaker Audio System SiriusXM with 360L Trial OnStar Services Capable Modern connectivity designed for workdays and road trips alike. DENALI EXTERIOR &amp; FUNCTIONAL DETAILS Signature Chrome Denali Grille 20-Inch Ultra-Bright Machined Aluminum Wheels LED Smoked Amber Roof Marker Lamps Polished Exhaust Tip Spray-On Bedliner with GMC Logo LED Cargo Bed Lighting Rear Wheelhouse Liners Deep-Tinted Glass Premium presence with real heavy-duty functionality. WHY THIS SIERRA 2500HD DENALI STANDS OUT High-demand Duramax + Denali configuration Loaded with towing and safety technology X31 Off-Road Package adds capability and confidence Ideal for contractors, RV owners, and diesel enthusiasts Located in Lancaster PA, easy access for PA, NJ, MD, and Mid-Atlantic buyers AVAILABLE NOW AT MARK MARTIN MOTORS LANCASTER, PENNSYLVANIA Duramax torque. Denali refinement. Heavy-duty confidence. This 2025 GMC Sierra 2500HD Denali 4WD is built to tow, travel, 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

New York

 for sale near you in Ephrata, PA. Get more information and car pricing for this vehicle on Autotrader.

Used 2025 GMC Sierra 2500 Denali for sale in Ephrata, PA 17522: Truck Details - 764546200 - Autotrader

Used 2025 GMC Sierra 2500 Denali

w/ Gooseneck/5th Wheel Prep Package