2025 GMC Sierra 2500HD Denali Ultimate Crew Cab 4WD

2025 GMC SIERRA 2500HD DENALI ULTIMATE 4WD | DURAMAX DIESEL | ONYX BLACK | LANCASTER PA HEAVY-DUTY TORQUE. ULTIMATE TRIM. ZERO COMPROMISE. This 2025 GMC Sierra 2500HD Denali Ultimate 4WD in Onyx Black is the top of the food chain in the HD world. Under the hood sits the legendary 6.6L Duramax V8 Turbodiesel paired with a 10-speed automatic transmission, delivering massive torque, confident towing power, and long-haul durability. If you are searching for a 2025 GMC Sierra 2500HD Duramax Denali Ultimate for sale near Lancaster, Harrisburg, York, or Reading, this is the build serious truck buyers want. DURAMAX POWER & TRUE HD CAPABILITY The 6.6L Duramax is built to tow heavy and pull hard. Equipped with the Gooseneck/5th Wheel Prep Package, integrated trailer camera provisions, Trailer Side Blind Zone Alert, Trailer Tire Pressure Monitor Sensors, and a 2-speed active transfer case, this Sierra is ready for large campers, equipment trailers, and commercial loads across Central Pennsylvania and beyond. The X31 Off-Road Package adds enhanced off-road hardware for buyers who want capability beyond pavement. HD Surround Vision, Bed View Camera with trailer camera provisions, and the Inside Rearview Auto-Dimming Rear Camera Mirror make maneuvering and hitching far easier in tight spaces. DENALI ULTIMATE INTERIOR FULL GRAIN LUXURY Inside, this truck is on another level. Alpine Umber full grain leather seat trim, heated and ventilated front seats, heated second-row outboard seats, multicolor 15-inch Head-Up Display, and premium materials throughout create a cabin that feels more executive than work truck. The Bose Premium Series 12-speaker sound system delivers rich audio, while wireless charging and wireless phone projection keep everything connected. TECHNOLOGY PACKAGE & ADVANCED SAFETY The Technology Package adds cutting-edge visibility and driver assistance features. Rear Cross Traffic Alert, Safety Alert Seat, Ultrasonic Front and Rear Park Assist, rain-sensing wipers, and full trailering software integration bring modern confidence to heavy-duty performance. LED smoked amber roof marker lamps and the signature Denali Ultimate grille in Vader Chrome give this truck a bold, unmistakable presence. WORK-READY DETAILS Spray-on pickup bedliner with GMC logo, LED cargo area lighting, 120-volt bed and instrument panel power outlets, rear wheelhouse liners, and remote vehicle starter system make this truck functional for real-world use. WHY THIS SIERRA 2500HD DENALI ULTIMATE A 2025 GMC Sierra 2500HD Denali Ultimate 4WD with the Duramax diesel is one of the most sought-after heavy-duty luxury trucks on the market. It delivers commercial-grade towing strength with high-end refinement and advanced trailering technology. Duramax torque. Denali Ultimate luxury. Built to pull anything. Available now at Mark Martin Motors in Lancaster, Pennsylvania, serving heavy-duty truck buyers across Central PA and the Mid-Atlantic region. 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,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 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,Emergency communication system: OnStar,Front anti-roll bar,Front wheel independent suspension,Keyless Open & Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power moonroof,Power Sunroof,Pickup Box,Brake assist,Electronic Stability Control,Lane Departure Warning System,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 Battery,Auto-dimming door mirrors,Bumpers: body-color,Heated door mirrors,IntelliBeam Automatic High Beam On/Off,LED Cargo Area Lighting,LED Smoked Amber Roof Marker Lamps,Power door mirrors,Rear step bumper,Rear Wheelhouse Liners,Signature Denali Ultimate Grille in Vadar 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,Apple CarPlay/Android Auto,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,HD Surround Vision,Heated steering wheel,Illuminated entry,Inside Rearview Auto-Dimming Rear Camera Mirror,Leather steering wheel,Multicolor 15" Diagonal Head-Up Display,OnStar Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Cross Traffic Alert,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trailer Cam Provisions & Trailer Viewing Software,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,Heated front seats,Heated rear seats,Power passenger seat,Safety Alert Seat,Split folding rear seat,Ventilated Driver & Front Passenger Seats,Ventilated front seats,Passenger door bin,Hitch Guidance w/Hitch View,In-Vehicle Trailering System App,Trailer Tire Pressure Monitor Sensors,Alloy wheels,Wheels: 20" Ultra-Bright Machined Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Front Passenger Windows w/Express Up/Down,Power Sliding Rear Window w/Defogger,Rain sensing wipers,Variably intermittent wipers,3.42 Axle Ratio,UPGRADED BLACK 22'S! SUNROOF! MASSAGE SEATS!