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2025 GMC SIERRA 2500HD DENALI 4WD FOR SALE
ONYX BLACK DURAMAX DIESEL DENALI LUXURY LANCASTER PA
Heavy-duty diesel power meets premium Denali refinement.
This 2025 GMC Sierra 2500HD Denali 4WD in Onyx Black is built for buyers who demand serious towing capability without sacrificing luxury, technology, or comfort. Powered by the legendary 6.6L Duramax Turbo Diesel V8 paired with a 10-Speed Automatic transmission, this Sierra delivers massive torque, smooth highway manners, and best-in-class trailering confidence.
If youre searching for a 2025 GMC Sierra 2500HD Denali Duramax for sale in Pennsylvania, this is a clean, well-optioned example located in Lancaster County, serving buyers across Central PA, Harrisburg, York, Lebanon, Reading, and the Mid-Atlantic region.
DURAMAX DIESEL POWER & 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
⢠Gooseneck / 5th Wheel Prep Package
⢠Integrated Trailering Technology
Built to tow heavy, haul confidently, and handle demanding jobsite or recreational use.
NEXT-LEVEL TRAILERING & CAMERA TECH
⢠HD Surround Vision
⢠Bed View Camera with Trailer Camera Provisions
⢠Trailer Side Blind Zone Alert
⢠Trailer Viewing Software
⢠Rear Cross Traffic Alert
⢠Ultrasonic Front & Rear Park Assist
Designed to make towing safer, easier, and more precise in any environment.
DENALI INTERIOR PREMIUM COMFORT, HD SCALE
⢠Black Perforated Leather-Appointed Seating
⢠Heated & Ventilated Front Seats
⢠Heated Second-Row Outboard Seats
⢠Heated Steering Wheel
⢠12-Way Power Driver & Passenger Seats with Memory
⢠Dual-Zone Automatic Climate Control
⢠Power Sliding Rear Window
⢠Power Sunroof
Luxury-grade comfort that stands apart from standard heavy-duty trucks.
TECHNOLOGY & CONNECTIVITY
⢠GMC Navigation System
⢠Apple CarPlay & Android Auto
⢠Wireless Charging
⢠Wireless Phone Projection
⢠Bose Premium 7-Speaker Audio System
⢠SiriusXM with 360L
⢠OnStar Services Capable
Modern connectivity and infotainment built into a serious HD platform.
DENALI EXTERIOR & 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
Clean, upscale presence with unmistakable Denali identity.
WHY THIS SIERRA 2500HD DENALI STANDS OUT
⢠Sought-after Duramax + Denali configuration
⢠Loaded with trailering and safety technology
⢠Luxury interior with real heavy-duty capability
⢠Ideal for towing, business use, or high-end personal ownership
⢠Located in Lancaster, Pennsylvania, easy access for PA, NJ, MD buyers
AVAILABLE NOW AT MARK MARTIN MOTORS
LANCASTER, PENNSYLVANIA
Duramax torque. Denali luxury. Heavy-duty confidence.
This 2025 GMC Sierra 2500HD Denali is built to work hard, tow heavy, and arrive in comfort.
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 @ 717-664-2222! 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.