Used 2025 GMCSierra 3500HD Denali Ultimate

  • Diesel
    Exterior Color
    Downpour Metallic
    Interior Color
    Alpine Umber
    Odometer
    3,797 miles
    Body/Seating
    Truck/5 seats
    Transmission
    10-Speed Automatic
    Drivetrain
    4WD
    Engine
    Duramax 6.6L V8 Turbodiesel
    VIN
    1GT4UYEY9SF336684
    Stock Number
    12205FM
    GMC Sierra 3500HD
    • Show Me the CARFAX Badge

    Highlighted Features

    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Power moonroof
    • 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
    • Heads up display
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    Included Packages & Accessories

    • GMC Protection Package (LPO)
    • 12 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
    • Heads-Up Display
    • Memory seat
    • Power driver seat
    • Power Front Windows w/Passenger Express Up/Down
    • 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
    • Front anti-roll bar
    • Front wheel independent suspension
    • Keyless Open & Start
    • Low tire pressure warning
    • Occupant sensing airbag
    • Overhead airbag
    • Power moonroof
    • Pickup Bed
    • Brake assist
    • Electronic Stability Control
    • Lane Departure Warning System
    • Exterior Parking Camera Rear
    • Auto High-beam Headlights
    • Delay-off headlights
    • Front fog lights
    • Fully automatic headlights
    • Panic alarm
    • Security system
    • Speed control
    • 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
    • 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
    • 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
    • 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
    • Heated steering wheel
    • Illuminated entry
    • Leather steering wheel
    • Outside temperature display
    • Overhead console
    • Passenger vanity mirror
    • Rear reading lights
    • Rear seat center armrest
    • Tachometer
    • Telescoping steering wheel
    • Tilt steering wheel
    • Trip computer
    • Ultrasonic Front & Rear Park Assist
    • Voltmeter
    • 16-Way Power Driver Seat Adjuster w/Lumbar
    • 16-Way Power Passenger Seat Adjuster w/Lumbar
    • Front Center Armrest
    • Full Grain Leather Seat Trim
    • Heated Driver & Front Outboard Passenger Seats
    • Heated front seats
    • Heated rear seats
    • Power passenger seat
    • Split folding rear seat
    • Ventilated Driver & Front Passenger Seats
    • Ventilated front seats
    • Passenger door bin
    • Hitch Guidance w/Hitch View
    • In-Vehicle Trailering App
    • Alloy wheels
    • Wheels: 20" Ultra-Bright Machined Aluminum
    • Power Sliding Rear Window w/Defogger
    • Rain sensing wipers
    • Variably intermittent wipers
    • 3.42 Rear Axle Ratio
    • UPGRADED 22 INCH BLACK WHEELS!
    • Preferred Equipment Group 5SB
    • Technology Package
    • X31 Off-Road Package
    • Bose Premium Series 12-Speaker 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
    • Power Sunroof
    • Hill Descent Control
    • Unauthorized Entry Theft-Deterrent System
    • 2-Speed Active Transfer Case
    • LED Cargo Area Lighting
    • LED Smoked Amber Roof Marker Lamps
    • ProGrade Trailering System
    • Rear Wheelhouse Liners
    • Signature Denali Ultimate Grille in Vader Chrome
    • 2 Charge-Only Rear USB Ports
    • 2 Charge/Data USB Ports Inside Center Console
    • 2 USB Ports
    • Floor-Mounted Center Console
    • HD Surround Vision
    • Multicolor 15" Diagonal Head-Up Display
    • Rear Cross Traffic Alert
    • Safety Alert Seat
    • Trailer Camera Provisions
    • Trailer Side Blind Zone Alert
    • Wireless Charging
    • Wireless Phone Projection
    • Front Bucket Seats
    • Heated 2nd Row Outboard Seats
    • Trailer Tire Pressure Monitor Sensors
    • Deep-Tinted Glass
    • Front Rain-Sensing Wipers

    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
    • Front beverage holders
    • Front dual zone A/C
    • Garage door transmitter
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Moonroof sunshade: manual
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power moonroof
    • 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
    • Telescoping steering wheel
    • Tilt steering wheel
    • Alloy wheels
    • Front anti-roll bar
    • Front tires: 275/65SR20.0E
    • Front wheel independent suspension
    • Power steering
    • Rear tires: 275/65SR20.0E
    • Single rear wheels
    • Speed-sensing steering
    • Tires: all-terrain
    • Wheel size: 20"
    • 1st row LCD monitors: 2
    • AM/FM radio: SiriusXM with 360L
    • Primary LCD size: 13.4"
    • Smart device integration
    • Speaker type: brand
    • Speakers: 12
    • Steering wheel mounted audio controls
    • Wireless Phone Charger: front
    • Wireless phone connectivity
    • Front center armrest
    • Front seats: bucket
    • Genuine wood dashboard insert
    • Genuine wood door panel insert
    • Heated front seats
    • Heated rear seats
    • Leather steering wheel
    • 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
    • Block heater
    • Compressor: intercooled turbo
    • Cylinder configuration: V-8
    • Drive type: four-wheel
    • Engine liters: 6.6L
    • Engine location: front
    • Fuel tank capacity: 36.0gal.
    • Horsepower: 470hp @ 2,800RPM
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Number of valves: 32
    • Rear locking differential
    • Recommended fuel: Diesel
    • Standard fuel economy fuel type: diesel
    • Torque: 975 lb.-ft. @ 1,600RPM
    • Transmission: 10 speed automatic
    • Ground clearance (min): 284mm (11.2")
    • 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
    • Trailer hitch
    • Trailer sway control
    • Turn signal indicator mirrors
    • Compression ratio: 16.00 to 1
    • Curb weight: 3,780kg (8,333lbs)
    • Engine bore x stroke: 103.0mm x 99.0mm (4.06" x 3.90")
    • Engine displacement: 6.6 L
    • Engine torque: 975 lb.-ft. @ 1,600RPM
    • Exterior body width: 2,079mm (81.8")
    • Exterior height: 2,053mm (80.8")
    • 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")
    • GVWR: 5,488kg (12,100lbs)
    • Payload: 1,691kg (3,729lbs)
    • 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")
    • Towing capacity: 9,072kg (20,000lbs)
    • Turning radius: 8.0m (26.3')
    • Wheelbase: 4,039mm (159.0")
    • Appearance: digital/analog
    • Auto high-beam headlights
    • Blind spot: warning
    • Compass
    • Configurable
    • Delay-off headlights
    • Exterior parking camera cargo
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera rear
    • Exterior parking camera right
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • Heads up display
    • Lane departure: warning
    • Low tire pressure warning
    • Oil pressure gauge
    • Outside temperature display
    • Parking sensors: 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: mitigation
    • Front pedestrian detection: prevention
    • Ignition disable
    • Occupant sensing airbag
    • Overhead airbag
    • Panic alarm
    • Perimeter/approach lights
    • Rear collision: warning
    • Security system
    • Traction control

    Standard Features

    • Technology Package
    • Safety Alert Seat
    • Rear Cross Traffic Alert
    • Trailer Side Blind Zone Alert
    • Wireless Phone Projection
    • Bose Premium Series 12-Speaker System
    • Floor-Mounted Center Console
    • Electric Rear-Window Defogger
    • Push Button Start
    • Remote Vehicle Starter System
    • 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
    • Trailer Camera Provisions
    • Heated 2nd Row Outboard Seats
    • Deep-Tinted Glass
    • Signature Denali Ultimate Grille in Vader Chrome
    • Steering Wheel Audio Controls
    • LED Smoked Amber Roof Marker Lamps
    • Manual Tilt-Wheel/Telescoping Steering Column
    • LED Cargo Area Lighting
    • Power Sunroof
    • Unauthorized Entry Theft-Deterrent System
    • Universal Home Remote
    • Wireless Charging
    • Rear Wheelhouse Liners
    • Front Rain-Sensing Wipers
    • X31 Off-Road Package
    • ProGrade Trailering System
    • Trailer Tire Pressure Monitor Sensors
    • 2-Speed Active Transfer Case
    • Driver Memory
    • Hill Descent Control
    • Off-Road Suspension
    • Multicolor 15" Diagonal Head-Up Display

    Dealer Notes

    2025 GMC SIERRA 3500HD DENALI ULTIMATE 4WD DURAMAX DIESEL DOWNPOUR METALLIC 22 INCH BLACK WHEELS LANCASTER PA

    MAXIMUM DURAMAX POWER. DENALI ULTIMATE LUXURY. HEAVY-DUTY CAPABILITY.

    This 2025 GMC Sierra 3500HD Denali Ultimate 4WD in Downpour Metallic represents the absolute top of the Sierra heavy-duty lineup. Powered by the legendary 6.6L Duramax Turbo Diesel V8 paired with the 10-speed Allison automatic transmission, this truck delivers massive torque, serious towing capability, and the premium Denali Ultimate interior that sets it apart from every other HD truck on the road.

    With upgraded 22-inch black wheels and low miles, this Sierra has the bold stance and luxury presence buyers are looking for in a high-end diesel truck.

    If you're searching for a Duramax Sierra 3500HD Denali Ultimate for sale near Lancaster, Harrisburg, York, or Reading Pennsylvania, this truck is built to impress.

    LEGENDARY DURAMAX DIESEL PERFORMANCE

    Under the hood sits the 6.6L Duramax Turbo Diesel V8, one of the most trusted heavy-duty engines ever built. Paired with the Allison 10-speed automatic transmission, this truck delivers incredible pulling power, smooth shifting, and the ability to tow massive loads with confidence.

    The ProGrade Trailering System, integrated trailer brake controller, trailer camera provisions, and trailer tire pressure monitoring system make hauling large trailers dramatically easier.

    DENALI ULTIMATE DESIGN

    Finished in Downpour Metallic, this Sierra stands out with the exclusive Denali Ultimate Vader Chrome grille, smoked amber roof marker lamps, and bold styling that commands attention.

    The upgraded 22-inch black wheels give the truck an aggressive stance that perfectly complements the heavy-duty design.

    ULTIMATE INTERIOR LUXURY

    Step inside and youll find one of the most luxurious interiors in the heavy-duty truck segment. The Alpine Umber full-grain leather seats provide premium comfort with heated and ventilated front seats and heated rear seats for passengers.

    The cabin also features a power sunroof, wireless charging, wireless phone projection, and a Bose 12-speaker premium audio system, delivering luxury SUV-level comfort inside a serious work truck.

    ADVANCED TECHNOLOGY & SAFETY

    A massive 15-inch diagonal head-up display projects important driving information onto the windshield while HD Surround Vision and the rear camera mirror make maneuvering this large truck easier than ever.

    Safety features include Rear Cross Traffic Alert, Trailer Side Blind Zone Alert, Ultrasonic Front and Rear Park Assist, and the Safety Alert Seat to keep drivers aware of surrounding hazards.

    X31 OFF-ROAD CAPABILITY

    Equipped with the X31 Off-Road Package, this Sierra adds additional capability for rough terrain with hill descent control, skid protection, and off-road tuned components.

    LOW MILES ADVANTAGE

    With 9,585 miles below market average, this Sierra 3500HD Denali Ultimate offers the opportunity to own a nearly new heavy-duty diesel truck with exceptional value.

    WHY THIS SIERRA 3500HD

    A 2025 GMC Sierra 3500HD Denali Ultimate Duramax delivers the perfect combination of legendary diesel power, industry-leading towing capability, and premium luxury.

    Duramax strength. Denali Ultimate luxury. Built to dominate heavy-duty work.

    Available now at Mark Martin Motors in Lancaster, Pennsylvania, proudly serving truck buyers from Lancaster, Harrisburg, York, Reading, and across Central Pennsylvania

    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