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2025 GMC SIERRA 3500HD DENALI ULTIMATE 4WD
ONYX BLACK 6.6L DURAMAX DIESEL LANCASTER PA
MAXIMUM LUXURY. MAXIMUM CAPABILITY. ZERO COMPROMISE.
This 2025 GMC Sierra 3500HD Denali Ultimate 4WD represents the absolute peak of heavy-duty trucks. Finished in Onyx Black with the exclusive Denali Ultimate Vader Chrome grille and powered by the legendary 6.6L Duramax Turbo Diesel V8, this truck is engineered for serious towing while delivering flagship-level luxury.
If youre searching for a 2025 GMC Sierra 3500HD Denali Ultimate diesel for sale in Lancaster PA, this is the benchmark.
DURAMAX POWER & HD TOWING CAPABILITY
⢠6.6L Duramax Turbo Diesel V8
⢠10-Speed Automatic Transmission
⢠4WD with 2-Speed Active Transfer Case
⢠3.42 Rear Axle Ratio
⢠ProGrade Trailering System
⢠Gooseneck / 5th Wheel Prep Package
⢠Integrated Trailer Brake Controller
⢠Trailer Camera Provisions + Trailer Tire Pressure Monitoring
⢠Hitch Guidance with Hitch View
Built to handle large campers, equipment trailers, and commercial workloads with confidence.
DENALI ULTIMATE EXCLUSIVE INTERIOR
⢠Full Grain Alpine Umber Leather
⢠16-Way Power Driver & Passenger Seats with Memory
⢠Heated & Ventilated Front Seats
⢠Heated Second-Row Outboard Seats
⢠Heated Steering Wheel
⢠Power Sunroof
⢠All-Weather Floor Liners
⢠Rear Underseat Storage
This is luxury on par with high-end SUVs, inside a true HD truck.
TECHNOLOGY & DRIVER COMMAND
⢠Multicolor 15-Inch Head-Up Display
⢠HD Surround Vision + Bed View Camera
⢠Rear Camera Mirror
⢠Navigation System
⢠Bose Premium Series 12-Speaker Audio
⢠Wireless Charging & Wireless Phone Projection
⢠SiriusXM 360L
⢠Universal Home Remote
Everything you need for long hauls, jobsite maneuvering, and daily driving.
SAFETY & DRIVER ASSIST
⢠Safety Alert Seat
⢠Rear Cross Traffic Alert
⢠Ultrasonic Front & Rear Park Assist
⢠Trailer Side Blind Zone Alert
⢠Hill Descent Control
Designed to reduce stress when towing and navigating tight spaces.
EXTERIOR PRESENCE & WORK-READY FEATURES
⢠Signature Denali Ultimate Vader Chrome Grille
⢠LED Smoked Amber Roof Marker Lamps
⢠Spray-On Pickup Bedliner with GMC Logo
⢠Rear Wheelhouse Liners
⢠Black Molded Splash Guards
⢠20-Inch Ultra-Bright Machined Aluminum Wheels
⢠Deep-Tinted Glass
Bold, commanding, and unmistakably premium.
WHY THIS SIERRA 3500HD DENALI ULTIMATE STANDS OUT
⢠Top-tier Denali Ultimate trim
⢠Legendary Duramax diesel reliability
⢠Factory tow-ready with advanced trailering tech
⢠Ideal for RV owners, contractors, and heavy-duty buyers
⢠Located in Lancaster, Pennsylvania, serving Harrisburg, York, Lebanon, Reading, and the Mid-Atlantic region
AVAILABLE NOW AT MARK MARTIN MOTORS
LANCASTER, PENNSYLVANIA
Heavy-duty muscle. Executive luxury. Built for the biggest jobs.
This 2025 GMC Sierra 3500HD Denali Ultimate 4WD is ready to lead.
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.





