2025 GMC Sierra 3500HD Denali Ultimate Crew Cab 4WD

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.

Additional Information

Navigation System,GMC Protection Package (LPO),Gooseneck/5th Wheel Prep Package,Preferred Equipment Group 5SB,Technology Package,X31 Off-Road Package,12 Speakers,AM/FM radio: SiriusXM with 360L,Bose Premium Series 12-Speaker System,Radio: AM/FM w/Premium GMC Infotainment System,SiriusXM w/360L Trial Subscription,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Driver Memory,Heads-Up Display,Memory seat,Power driver seat,Power Front Windows w/Passenger Express Up/Down,Power steering,Power windows,Push Button Start,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Manual Tilt-Wheel/Telescoping Steering Column,Off-Road Suspension,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Front anti-roll bar,Front wheel independent suspension,Keyless Open & Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power Sunroof,Pickup Bed,Brake assist,Electronic Stability Control,Lane Departure Warning System,Exterior Parking Camera Rear,Hill Descent Control,Auto High-beam Headlights,Delay-off headlights,Front fog lights,Fully automatic headlights,Panic alarm,Security system,Unauthorized Entry Theft-Deterrent System,Speed control,2-Speed Active Transfer Case,220 Amp Alternator,Block heater,Dual Heavy-Duty 70 Amp-Hr Battery,Auto-dimming door mirrors,Black Front & Rear Molded Splash Guards (LPO),Bumpers: body-color,Front License Plate Kit,Heated door mirrors,IntelliBeam Automatic High Beam On/Off,LED Cargo Area Lighting,LED Smoked Amber Roof Marker Lamps,Power door mirrors,ProGrade Trailering System,Rear step bumper,Rear Wheelhouse Liners,Signature Denali Ultimate Grille in Vader Chrome,Spray-On Pickup Bedliner w/GMC Logo,Turn signal indicator mirrors,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports Inside Center Console,2 USB Ports,All-Weather Floor Liners (LPO),Auto-Dimming Inside Rearview Mirror w/Camera,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera w/2 Trailer Camera Provisions,Buckle to Drive,Compass,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front Pedestrian Braking,Front reading lights,Garage door transmitter,Genuine wood dashboard insert,Genuine wood door panel insert,GMC Premium 13.4" Diagonal Information Display,HD Surround Vision,Heated steering wheel,Illuminated entry,Leather steering wheel,Multicolor 15" Diagonal Head-Up Display,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Cross Traffic Alert,Rear reading lights,Rear seat center armrest,Rear Underseat Storage (LPO),Safety Alert Seat,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trailer Camera Provisions,Trailer Side Blind Zone Alert,Trip computer,Ultrasonic Front & Rear Park Assist,Voltmeter,Wireless Charging,Wireless Phone Projection,16-Way Power Driver Seat Adjuster w/Lumbar,16-Way Power Passenger Seat Adjuster w/Lumbar,Front Bucket Seats,Front Center Armrest,Full Grain Leather Seat Trim,Heated 2nd Row Outboard Seats,Heated Driver & Front Outboard Passenger Seats,Power passenger seat,Split folding rear seat,Ventilated Driver & Front Passenger Seats,Passenger door bin,Truck Bed Cover by RealTruck Advantage (LPO),Hitch Guidance w/Hitch View,In-Vehicle Trailering App,Trailer Tire Pressure Monitor Sensors,Alloy wheels,Wheels: 20" Ultra-Bright Machined Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Sliding Rear Window w/Defogger,Rain sensing wipers,Variably intermittent wipers,3.42 Rear Axle Ratio