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Used 2025 GMCSierra 2500HD Denali

  • Diesel
    Exterior Color
    Onyx Black
    Interior Color
    Jet Black
    Odometer
    11,847 miles
    Body/Seating
    Truck/5 seats
    Transmission
    10-Speed Automatic
    Drivetrain
    4WD
    Engine
    Duramax 6.6L V8 Turbodiesel
    VIN
    1GT4UREY7SF210930
    Stock Number
    11770TN
    GMC Sierra 2500HD
    • CARFAX 1-Owner Great Value Badge

    Highlighted Features

    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Emergency communication system
    • Wireless phone connectivity
    • Parking sensors
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera right
    • Exterior parking camera rear
    • Front dual zone A/C
    • Auto high-beam headlights

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    Included Packages & Accessories

    • Navigation System
    • Gooseneck/5th Wheel Prep Package
    • 7 Speakers
    • AM/FM radio: SiriusXM with 360L
    • Radio: AM/FM w/Premium GMC Infotainment System
    • SiriusXM w/360L Trial Subscription
    • Air Conditioning
    • Automatic temperature control
    • Front dual zone A/C
    • Rear window defroster
    • Memory seat
    • Power driver seat
    • Power steering
    • Power windows
    • Remote keyless entry
    • Steering wheel mounted audio controls
    • 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 Sunroof
    • Pickup Box
    • Brake assist
    • Electronic Stability Control
    • Lane Departure Warning System
    • Auto High-beam Headlights
    • Delay-off headlights
    • Front fog lights
    • Fully automatic headlights
    • Panic alarm
    • Security system
    • Speed control
    • 220-Amp Alternator
    • Engine Block Heater
    • Exhaust Brake
    • Heavy-Duty 80 Amp Battery
    • High Idle Switch
    • Auto-dimming door mirrors
    • Bumpers: body-color
    • Front License Plate Kit
    • Heated door mirrors
    • IntelliBeam Automatic High Beam On/Off
    • Power door mirrors
    • Rear step bumper
    • Spray-On Pickup Bedliner w/GMC Logo
    • Turn signal indicator mirrors
    • Winter Grille Cover
    • All-Weather Floor Liners (LPO)
    • 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
    • Following Distance Indicator
    • Forward Collision Alert
    • Front Pedestrian Braking
    • Front reading lights
    • Garage door transmitter
    • Genuine wood dashboard insert
    • Genuine wood door panel insert
    • Heated steering wheel
    • Illuminated entry
    • Outside temperature display
    • Overhead console
    • Passenger vanity mirror
    • Rear reading lights
    • Rear seat center armrest
    • Tachometer
    • Telescoping steering wheel
    • Tilt steering wheel
    • Trailer Cam Provisions & Trailer Viewing Software
    • Trip computer
    • Ultrasonic Front & Rear Park Assist
    • Voltmeter
    • 12-Way Power Driver Seat Adjuster w/Lumbar
    • 12-Way Power Passenger Seat Adjuster w/Lumbar
    • Forge Perforated Leather-Appointed Front Seat Trim
    • Front Center Armrest
    • Heated Driver & Front Outboard Passenger Seats
    • Power passenger seat
    • Rear Underseat Storage (LPO)
    • Split folding rear seat
    • Ventilated Driver & Front Passenger Seats
    • Passenger door bin
    • Hitch Guidance w/Hitch View
    • In-Vehicle Trailering System App
    • Alloy wheels
    • Wheels: 20" Ultra Bright Machined
    • Power Front Passenger Windows w/Express Up/Down
    • Power Sliding Rear Window w/Defogger
    • Rain sensing wipers
    • Variably intermittent wipers
    • 3.42 Axle Ratio
    • Preferred Equipment Group 5SA
    • X31 Off-Road Package
    • Bose Premium 7-Speaker Sound System
    • Steering Wheel Audio Controls
    • Electric Rear-Window Defogger
    • 120-Volt Bed Mounted Power Outlet
    • 120-Volt Instrument Panel Power Outlet
    • Driver Memory
    • Push Button Start
    • Remote Vehicle Starter System
    • Universal Home Remote
    • Manual Tilt-Wheel/Telescoping Steering Column
    • Off-Road Suspension
    • Hill Descent Control
    • Unauthorized Entry Theft-Deterrent System
    • 2-Speed Active Transfer Case
    • LED Cargo Area Lighting
    • LED Smoked Amber Roof Marker Lamps
    • Polished Exhaust Tip
    • Rear Wheelhouse Liners
    • Signature Chrome Denali Grille
    • 2 Charge-Only Rear USB Ports
    • 2 Charge/Data USB Ports Inside Center Console
    • 2 USB Ports
    • Floor-Mounted Center Console
    • HD Surround Vision
    • OnStar Services Capable
    • Rear Cross Traffic Alert
    • Trailer Side Blind Zone Alert
    • Wireless Charging
    • Wireless Phone Projection
    • Front Bucket Seats
    • Heated 2nd Row Outboard Seats
    • Safety Alert Seat
    • Deep-Tinted Glass
    • Front Rain-Sensing Wipers

    Included Packages & Options

    Included Options
    • Gooseneck/5th Wheel Prep Package$545
    • Power Sunroof$995
    • 220-Amp Alternator$150
    • Engine Block Heater$100
    • High Idle Switch$200

    Detailed Specifications

    • 1-touch down
    • 1-touch up
    • Adaptive Cruise Control
    • Air conditioning
    • Auto-dimming rearview mirror
    • Automatic temperature control
    • Driver door bin
    • Driver vanity mirror
    • Emergency communication system: OnStar
    • Front beverage holders
    • Front dual zone A/C
    • Garage door transmitter
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power windows
    • Proximity key: doors and push button start
    • Rear beverage holders
    • Rear door bins
    • Remote engine start
    • Remote keyless entry
    • Speed control
    • Surround View Monitor: HD Surround Vision w/Hitch View yes
    • Telescoping steering wheel
    • Tilt steering wheel
    • Alloy wheels
    • Front anti-roll bar
    • Front wheel independent suspension
    • Power steering
    • Single rear wheels
    • Speed-sensing steering
    • Tires: all-terrain
    • 1st row LCD monitors: 2
    • Primary LCD size: 13.4"
    • Smart device integration: Apple CarPlay/Android Auto
    • Speaker type: Bose
    • Speakers: 7
    • Steering wheel mounted audio controls
    • Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
    • Wireless Phone Charger: front
    • Wireless phone connectivity: Bluetooth
    • Front center armrest
    • Front seats: bucket
    • Genuine wood dashboard insert
    • Genuine wood door panel insert
    • Heated front seats
    • Heated rear seats
    • Leather upholstery
    • Max seating capacity: 5
    • Power 4-way driver lumbar support
    • Power 4-way passenger lumbar support
    • Power driver seat
    • Power passenger seat
    • Rear seat center armrest
    • Rear seats: split-bench
    • Rear seats Folding position: fold-up cushion
    • Seat Upholstery: leather
    • Split folding rear seat
    • Ventilated front seats
    • Cylinder configuration: V-8
    • Drive type: four-wheel
    • Engine liters: 6.6L
    • Engine location: front
    • Fuel tank capacity: 36.0gal.
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Rear locking differential
    • Transmission: 10 speed automatic
    • Variable valve control
    • Ground clearance (min): 257mm (10.1")
    • Auto-dimming door mirrors
    • Bedliner
    • Bumpers: body-color
    • Door mirrors: chrome
    • Heated door mirrors
    • Hitch Class: IV
    • Left rear passenger door: conventional
    • Power door mirrors
    • Rear cargo: tailgate
    • Rear step bumper
    • Right rear passenger: conventional
    • Skid plates
    • Tailpipe finisher: polished
    • Trailer hitch
    • Trailer sway control
    • Turn signal indicator mirrors
    • Engine displacement: 6.6 L
    • Exterior body width: 2,079mm (81.8")
    • Exterior height: 2,027mm (79.8")
    • Exterior length: 6,369mm (250.8")
    • Front headroom: 1,093mm (43.0")
    • Front hiproom: 1,554mm (61.2")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,677mm (66.0")
    • Rear headroom: 1,019mm (40.1")
    • Rear hiproom: 1,530mm (60.2")
    • Rear legroom: 1,102mm (43.4")
    • Rear shoulder room: 1,659mm (65.3")
    • Turning radius: 8.0m (26.3')
    • Wheelbase: 4,039mm (159.0")
    • Appearance: digital/analog
    • Auto high-beam headlights
    • Blind spot: Trailer Side Blind Zone Alert warning
    • Compass
    • Configurable
    • Delay-off headlights
    • Exterior parking camera cargo
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
    • Exterior parking camera right
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • Lane departure: Lane Departure Warning warning
    • Low tire pressure warning
    • Oil pressure gauge
    • Outside temperature display
    • Parking sensors: UltraSonic front and rear
    • Rain sensing wipers
    • Rear reading lights
    • Rear window defroster
    • Tachometer
    • Trip computer
    • Variably intermittent wipers
    • Voltmeter
    • 4 wheel disc brakes
    • ABS brakes
    • Brake assist
    • Dual front impact airbags
    • Dual front side impact airbags
    • Electronic stability
    • Forward collision: Forward Collision Alert with Automatic Braking mitigation
    • Front pedestrian detection: prevention
    • Ignition disable
    • Occupant sensing airbag
    • Overhead airbag
    • Panic alarm
    • Perimeter/approach lights
    • Rear collision: Rear Cross-Traffic Alert warning
    • Security system
    • Traction control

    Standard Features

    • Safety Alert Seat
    • Rear Cross Traffic Alert
    • Trailer Side Blind Zone Alert
    • Wireless Phone Projection
    • Bose Premium 7-Speaker Sound System
    • Floor-Mounted Center Console
    • Electric Rear-Window Defogger
    • Push Button Start
    • Remote Vehicle Starter System
    • OnStar Services Capable
    • 120-Volt Instrument Panel Power Outlet
    • 120-Volt Bed Mounted Power Outlet
    • 2 Charge-Only Rear USB Ports
    • 2 USB Ports
    • 2 Charge/Data USB Ports Inside Center Console
    • HD Surround Vision
    • Heated 2nd Row Outboard Seats
    • Deep-Tinted Glass
    • Signature Chrome Denali Grille
    • Steering Wheel Audio Controls
    • LED Smoked Amber Roof Marker Lamps
    • LED Cargo Area Lighting
    • Manual Tilt-Wheel/Telescoping Steering Column
    • Unauthorized Entry Theft-Deterrent System
    • Universal Home Remote
    • Wireless Charging
    • Rear Wheelhouse Liners
    • Front Rain-Sensing Wipers
    • X31 Off-Road Package
    • Polished Exhaust Tip
    • 2-Speed Active Transfer Case
    • Driver Memory
    • Hill Descent Control
    • Off-Road Suspension

    Dealer Notes

    2025 GMC SIERRA 2500HD DENALI 4WD DURAMAX
    ONYX BLACK X31 OFF-ROAD DIESEL LANCASTER PA

    Heavy-duty diesel power meets true Denali luxury.
    This 2025 GMC Sierra 2500HD Denali 4WD in Onyx Black is a high-demand configuration built for buyers who need serious towing capability without giving up comfort, technology, or premium presence. Powered by the legendary 6.6L Duramax Turbo Diesel V8 and equipped with the X31 Off-Road Package, this Sierra is ready for work, trailering, and long-haul driving across Pennsylvania and the Mid-Atlantic.

    If youre searching for a 2025 GMC Sierra 2500HD Denali Duramax for sale in Lancaster PA, this is the one buyers wait for.

    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

    Built for heavy towing, RV hauling, equipment transport, and jobsite reliability.

    ADVANCED TRAILERING & 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 & Rear Park Assist

    Confidence and visibility when towing large trailers or maneuvering in tight spaces.

    DENALI INTERIOR PREMIUM HEAVY-DUTY COMFORT

    • Jet Black Forge 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
    • All-Weather Floor Liners

    Designed for long drives, workdays, and towing trips without fatigue.

    TECHNOLOGY & CONNECTIVITY

    • GMC Navigation System
    • Apple CarPlay & Android Auto
    • Wireless Charging
    • Wireless Phone Projection
    • Bose Premium 7-Speaker Audio System
    • SiriusXM with 360L Trial
    • OnStar Services Capable

    Modern tech expected in a luxury heavy-duty diesel truck.

    DENALI EXTERIOR & FUNCTIONAL FEATURES

    • 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

    Bold Denali styling with real HD functionality.

    WHY THIS 2500HD DENALI STANDS OUT

    • High-demand Duramax + Denali configuration
    • X31 Off-Road Package adds capability and resale value
    • Loaded with towing, safety, and camera tech
    • Ideal for contractors, RV owners, and diesel buyers
    • Located in Lancaster, Pennsylvania, serving Central PA, Harrisburg, York, Lebanon, Reading, and the Mid-Atlantic

    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 perform at the highest level.

    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.

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