Dallas Motors

4121 Forest Lane, Garland, TX 75042
4.6
4.6 out of 5 stars

Used 2025 GMC Sierra 3500HD Denali

14,814 miles
For Sale:$54,995

$5,000(-8.3%)price drop

Estimated payment:$1,247/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $70,400 and $82,600, while the current price is $54,995.$70,400 - $82,600$54,995
  • Priced at $54,995, this vehicle is $15,405 (22%) below the low end of its fair market value of $70,400.

  • The current fair market price range is between $70,400 to $82,600.

  • It has 14,814 miles, which is close to the median mileage of 14,700.

Note: This is an estimate based on a variety of factors (experimental feature). It is intended to provide a fair market value range to help guide your buying decision.

View Full Value Report

SequenceDatePrice ChangeCurrent Price
1.3/15/2026 (25 days ago)$59,995
2.4/6/2026 (3 days ago)-$5,000 (-8.3%)$54,995
  • Truck
  • Pickup
  • Crew Cab
  • Luxury
  • Very Comfortable
  • High-Tech
  • Heavy Hauler
  • Extended Front Legroom
  • Vaulted Headroom
  • Condition
    Used
  • Mileage
    14,814miles
  • Aggregate Ratings
    4.2
    4.2 out of 5 stars
  • Generation
    4(2020 - 2026)
  • Drivetrain
    4X4
  • Transmission
    10-Speed Shiftable Automatic
  • Exterior Color
    Onyx Black (Black)Factory Paint Code:GBA
  • Interior Color
    Jet Black (Black)Factory Paint Code:H2X
  • Upholstery
    Leather
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Max Towing Capacity
    21,200lbs.
  • Weight Class
    10,000-14,000 lbs. (3)
  • Bed Length
    82.2in.
  • Ground Clearance
    11.2inch
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT4UWEY1SF110921
  • Starting MSRP
    $75,000

Engine6.6L V8 Bio Diesel 470hp

  • Fuel Type:Bio Diesel
  • Max Horsepower:470 hp @ 2800 rpm
  • Power to Weight Ratio:15.21lbs/hp
  • Max Torque:975 ft.lbf @ 1600 rpm
  • Brand:Duramax
  • Displacement:6.6liters
  • Block Type:V
  • Cylinders:8
  • Aspiration:Turbo
  • Fuel Induction:Common Rail Direct Injection
  • Oil Capacity:9.5liters
  • Cam Type:OHV
  • Stroke:3.9
  • Bore:4.06
  • Valves:32

Message from the seller

The front windshield is in excellent condition. The paint is in great shape and condition. No dings are visible on this vehicle. The interior was well maintained and is extra clean. The exterior was well maintained and is extra clean. The engine is functioning properly and has no issues. The transmission shifts very smoothly. The brakes are in great condition. The battery is in excellent condition. The car was previously owned by a non smoker. A full size spare is included with this vehicle. This vehicle comes with a spare key. This vehicle had one previous owner.

  • Comfort & Seating:

    • Heated Seats
    • Heated Steering Wheel
    • Power Seats
    • Ventilated Seats
  • Convenience:

    • 115V Power Outlet
    • Adaptive Cruise Control
    • Automatic Climate Control
    • Garage Door Opener
    • Parking Sensors
    • Rain Sensing Wipers
    • Remote Start
  • Entertainment:

    • Bluetooth
    • Premium Audio
    • Satellite Radio
  • Exterior:

    • Heated Mirrors
    • Tinted Windows
  • Other:

    • Trailer Hitch
  • Safety:

    • Automatic Emergency Braking
    • Autonomous Braking
    • Backup Camera
    • Blind Spot Monitor
    • Collision Avoidance
    • Cross Traffic Alert
    • Lane Departure Warning
    • Lane Keeping Assistance
    • Surround View Camera
    • Tire Pressure Monitoring
  • Technology:

    • Android Auto
    • Navigation

  • Air Conditioning

    • Front air conditioning: automatic climate control
    • Front air conditioning zones: dual
    • Rear vents: second row
    • Air filtration
  • Airbags

    • Airbag deactivation: occupant sensing passenger
    • Side airbags: front
    • Front airbags: dual
    • Side curtain airbags: front
    • Side curtain airbags: rear
  • Audio System

    • Radio: voice operated
    • Auxiliary audio input: Bluetooth
    • Radio: touch screen display
    • Premium brand: Bose
    • Antenna type: diversity
    • Antenna type: mast
    • Subwoofer: 1
    • Total speakers: 6
    • Radio: AM/FM
    • Radio data system
    • Speed sensitive volume control
    • Auxiliary audio input: USB
    • Auxiliary audio input: iPod/iPhone
    • Satellite radio: SiriusXM
  • Brakes

    • Rear brake width: 1.34
    • Front brake width: 1.57
    • Rear brake type: ventilated disc
    • Rear brake diameter: 14.2
    • Front brake diameter: 14
    • Front brake type: ventilated disc
    • Braking assist
    • Electronic brakeforce distribution
    • ABS: 4-wheel
    • Power brakes
    • Electronic parking brake: auto off
  • Comfort Features

    • Steering wheel trim: leatherette
    • Floor mat material: carpet
    • Dash trim: simulated wood
    • Heated steering wheel
    • Center console trim: leather
    • Door trim: simulated wood
    • Armrests: rear folding
    • Armrests: rear center with cupholders
    • Floor mats: rear
    • Floor mats: front
    • Floor material: carpet
  • Convenience Features

    • Wireless charging station: front
    • Adaptive stop and go cruise control: semi-automatic
    • Power outlet(s): USB front
    • Power outlet(s): USB-C front
    • Power outlet(s): USB rear
    • Power outlet(s): USB-C rear
    • Cupholders: front
    • Memorized settings: 2 driver
    • Steering wheel: tilt and telescopic
    • Adaptive cruise control
    • Power outlet(s): 115V cargo area
    • One-touch windows: 4
    • Reading lights: front
    • Power steering: variable/speed-proportional
    • Power outlet(s): 12V rear
    • Multi-function remote: panic alarm
    • Power windows: lockout button
    • Overhead console: front
    • Steering wheel mounted controls: audio
    • Memorized settings: driver seat
    • Multi-function remote: vehicle and key memory
    • Memorized settings: side mirrors
    • Push-button start
    • Vanity mirrors: dual illuminating
    • Reading lights: rear
    • Assist handle: rear
    • Remote engine start
    • Center console: front console with armrest and storage
    • Rearview mirror: auto-dimming
    • Steering wheel mounted controls: cruise control
    • Steering wheel mounted controls: phone
    • Steering wheel mounted controls: multi-function
    • Easy entry: power driver seat
    • Universal remote transmitter: Homelink - garage door opener
    • Power outlet(s): 115V front
    • Storage: front seatback
    • Assist handle: front
    • Storage: under rear seats
    • Storage: door pockets
    • Multi-function remote: proximity entry system
    • Cupholders: rear
    • Steering wheel mounted controls: voice control
    • Capless fuel filler system
  • Drivetrain

    • 4WD type: part time w/ on demand setting
    • 4WD selector: electronic hi-lo
    • Axle ratio: 3.73
    • Locking differential: rear
  • Engine

    • Battery saver
    • Battery: heavy duty
    • Auxiliary oil cooler
    • Battery: maintenance-free
    • Alternator: 170 amps
    • Battery rating: 720 CCA
  • Exterior Features

    • Pickup bed light: LED
    • Tailgate: power locking
    • Tailgate: power open
    • Tailgate: multi-function split-folding
    • Bumper detail: rear integrated corner step
    • Front bumper color: body-color
    • Door handle color: chrome
    • Pickup bed liner: spray-on
    • Running boards
    • Grille color: chrome
    • Grille color: chrome surround
    • Tailgate: removable
    • Skid plate(s): front
    • Exhaust tip color: stainless steel
    • Tailgate: lift assist
    • Rear bumper color: body-color
    • Fender lip moldings: black
    • Running board color: chrome
    • Hood scoop
    • Mirror color: black with chrome accents
    • Window trim: stainless steel
    • Skid plate(s): rear
    • Tailgate: step
  • In Car Entertainment

    • Connected in-car apps: Google POIs
    • Connected in-car apps: Google search
    • Connected in-car apps: app marketplace integration
    • Connected in-car apps: Amazon Alexa
    • Infotainment: GMC Infotainment System
    • Smartphone integration: wireless Apple CarPlay
    • Smartphone integration: wireless Android Auto
    • Infotainment screen size: 13.4 in.
    • Infotainment: Google Built-In
    • Connected in-car apps: Google Assistant
  • Instrumentation

    • Warnings and reminders: low battery
    • Customizable instrument cluster
    • Instrument cluster screen size: 12.3 in.
    • Warnings and reminders: lamp failure
    • Warnings and reminders: low oil pressure
    • Warnings and reminders: coolant temperature warning
    • Clock
    • Powertrain hour meter
    • Gauge: tachometer
    • Compass
    • Digital odometer
    • External temperature display
    • Multi-function display
    • Gauge: oil pressure
    • Fuel economy display: MPG
    • Fuel economy display: range
    • Warnings and reminders: low fuel level
    • Warnings and reminders: maintenance due
    • Trip odometer
  • Lights

    • Daytime running lights: LED
    • Front fog lights: LED
    • Taillights: LED
    • Headlights: auto high beam dimmer
    • Exterior entry lights: puddle lamps
    • Exterior entry lights: approach lamps
    • Headlights: LED
    • Headlights: wiper activated
    • Headlights: auto delay off
    • Headlights: auto on/off
    • Roof-mounted lights
  • Mirrors

    • Side mirrors: integrated turn signals
    • Side mirror adjustments: power
    • Side mirrors: heated
    • Side mirror adjustments: reverse gear tilt
    • Side mirrors: auto-dimming
    • Side mirror adjustments: power folding
    • Side mirror adjustments: power telescoping
    • Towing mirrors
  • Safety

    • Rearview monitor: in dash
    • Cross traffic alert: rear
    • Pre-collision warning system: vibrating driver seat
    • Pre-collision warning system: audible warning
    • Pre-collision warning system: visual warning
    • Camera system: surround view
    • Camera system: trailer rearview
    • Camera system washer: front
    • Check rear seat reminder
    • Camera system: cargo area
    • Blind spot safety: trailer coverage
    • Pre-collision warning system: pedestrian detection
    • Automatic emergency braking: front pedestrian
    • Automatic emergency braking: front
    • Child safety door locks
    • Child seat anchors: LATCH system
    • Parking sensors: rear
    • Blind spot safety: sensor/alert
    • Lane deviation sensors
    • Parking sensors: front
    • Programmable safety key
  • Seatbelts

    • Seatbelt pretensioners: front
    • Seatbelt warning sensor: front
    • Rear seatbelts: 3-point
    • Front seatbelts: 3-point
    • Emergency locking retractors: front
  • Seats

    • Driver seat power adjustments: height
    • Passenger seat power adjustments: height
    • Driver seat: ventilated
    • Passenger seat: heated
    • Driver seat: heated
    • Driver seat power adjustments: 10
    • Rear headrests: 3
    • Front headrests: 2
    • Passenger seat power adjustments: 10
    • Front seat type: bucket
    • Rear seat type: 60-40 split bench
    • Rear headrests: adjustable
    • Upholstery: leather-trimmed
    • Passenger seat: ventilated
    • Front headrests: adjustable
    • Driver seat power adjustments: lumbar
    • Passenger seat power adjustments: lumbar
    • Rear seat folding: folds up
    • Rear seat: heated
    • Upholstery accents: perforated
    • Driver seat power adjustments: reclining
    • Passenger seat power adjustments: reclining
  • Security

    • Anti-theft system: alarm
    • Power door locks: anti-lockout
    • Anti-theft system: vehicle immobilizer
    • Power door locks: auto-locking
  • Stability and Traction

    • Off-road driving assist: hill descent
    • Stability control
    • Traction control
    • Hill holder control
    • Roll stability control
    • Trailer stability control
  • Suspension

    • Front suspension classification: independent
    • Rear suspension classification: solid live axle
    • Rear spring type: leaf
    • Front spring type: torsion bars
    • Tuned suspension: off-road
    • Rear suspension type: multi-leaf
    • Rear shock type: twin-tube gas
    • Front stabilizer bar: diameter 35 mm
    • Front suspension type: upper and lower control arms
    • Front shock type: twin-tube gas
  • Telematics

    • Electronic messaging assistance: with read function
    • Electronic messaging assistance: voice operated
    • Satellite communications: voice guided directions
    • Wi-Fi: hotspot
    • Smart device app function: vehicle location
    • Driver assistance app: roadside assistance
    • Smart device app function: maintenance status
    • Smart device app function: lock operation
    • Smart device app function: horn/light operation
    • Smart device app compatibility: myGMC with Connected Access
    • Smart device app function: engine start
    • Smart device app compatibility: Amazon Alexa
    • Smart device app compatibility: OnStar Guardian
    • Satellite communications: OnStar
    • Wireless data link: Bluetooth
    • Hands-free phone call integration: voice operated
    • Navigation system: touch screen display
    • Navigation data: real time traffic
    • Navigation system: voice operated
  • Tires and Rims

    • Tire type: all terrain
    • Spare tire mount location: underbody
    • Spare wheel type: steel
    • Tire Pressure Monitoring System
    • Spare tire size: full-size
    • Wheels: polished aluminum alloy
  • Towing and Hauling

    • Tow hooks: front
    • Tow/Haul mode
    • Pickup bed cargo management: tie-down anchors
    • Trailer hitch
    • Auxiliary transmission fluid cooler
    • Trailer wiring: 4-pin
    • Trailer wiring: 7-pin
    • Trailer brake controller
  • Windows

    • Pickup sliding rear window: power horizontal
    • Window defogger: rear
    • Front wipers: variable intermittent
    • Tinted glass
    • Power windows: safety reverse
    • Front wipers: rain sensing

  • Abs Four Wheel
  • Airbags Front Driver
  • Airbags Front Passenger
  • Airbags Side Impact
  • Airbags Side Curtain
  • Brake Assist
  • Daytime Running Lights
  • Electronic Stability Control
  • Electronic Traction Control
  • Tire Pressure Monitoring System
  • Rollover Stability Control

2025 GMC Sierra 3500HD Overview

The 2025 GMC Sierra 3500HD continues its reign as a formidable contender in the heavy-duty pickup truck segment, engineered for those who demand unparalleled towing, hauling, and workhorse capability. Building on its established reputation for ruggedness and advanced technology, the latest iteration promises further refinement and enhanced features to meet the most demanding professional and recreational needs.

Highlights

  • Powertrain Excellence:

    • Standard 6.6L V8 Gas Engine: This robust gasoline powerhouse delivers ample horsepower and torque for everyday heavy-duty tasks. It provides a responsive and capable driving experience for a wide range of applications, from construction sites to weekend toy hauling.
    • Duramax 6.6L Turbo-Diesel V8 Engine: The legendary Duramax diesel engine remains the king of capability. It boasts an exceptional combination of high torque output for serious towing and hauling, along with impressive fuel efficiency for its class. This engine is the go-to for those who regularly face the toughest jobs.
  • Advanced Safety & Driver Assistance Features: The Sierra 3500HD is equipped with a suite of intelligent safety technologies designed to enhance driver confidence and protect occupants:

    • Automatic Emergency Braking: Detects potential frontal collisions and can automatically apply the brakes to mitigate or avoid an impact.
    • Forward Collision Alert: Warns the driver of an impending frontal collision, allowing for timely reaction.
    • Lane Departure Warning: Alerts the driver if the vehicle unintentionally drifts out of its lane without signaling.
    • StabiliTrak® Stability Control System with Trailer Sway Control: Improves overall vehicle stability, especially when towing, by automatically detecting and reducing skids and compensating for trailer sway.
    • Available HD Surround Vision: Provides a bird's-eye view of the truck and its surroundings, making maneuvering in tight spaces and hitching trailers significantly easier.
    • Available Adaptive Cruise Control: Automatically adjusts the truck's speed to maintain a set following distance from the vehicle ahead, reducing driver fatigue on long journeys.
  • Trim Level Summary: GMC offers the Sierra 3500HD in a tiered selection of trims, each catering to different priorities and preferences:

    • Pro: The foundational workhorse, focused on essential capability and durability for commercial use and demanding jobs.
    • SLE: Offers a balance of capability and comfort, adding more desirable amenities for a more refined everyday experience.
    • SLT: Steps up the refinement with premium features and enhanced technology, suitable for those who blend work with a need for a more upscale interior.
    • AT4: The off-road oriented trim, featuring enhanced suspension, skid plates, and all-terrain tires for tackling challenging terrain while maintaining impressive towing prowess.
    • Denali: The pinnacle of luxury and technology, offering the most premium materials, advanced infotainment, and exclusive comfort features for those who demand the best.
  • Notable Aspects:

    • Impressive Towing and Payload Capacities: The Sierra 3500HD is built to handle the most demanding tasks, offering class-leading towing and payload figures that set it apart from competitors.
    • Multi-Flex Tailgate: This innovative tailgate offers six different configurations, providing enhanced functionality for loading, unloading, and accessing the cargo bed.
    • Innovative Trailering Technology: GMC's comprehensive suite of trailering technology, including Trailer Camera Provisions and a variety of available camera views, simplifies the towing experience and enhances safety.
    • Refined Interior Comfort: Even in its work-focused trims, the Sierra 3500HD offers a well-appointed and comfortable cabin, designed for long hours behind the wheel. Higher trims significantly elevate the interior experience with premium materials and advanced features.

What to Expect

Owning a 2025 GMC Sierra 3500HD generally translates to a robust and capable experience. Its primary purpose is to conquer demanding tasks, and in that regard, it excels. Expect a truck that feels planted and powerful, whether empty or fully loaded. The driving dynamics, while characteristic of a heavy-duty vehicle, are refined for its class, offering a commanding view of the road.

  • Maintenance: As with any heavy-duty truck, regular and thorough maintenance is crucial for longevity and optimal performance. This includes scheduled oil changes (especially for diesel engines), fluid checks, filter replacements, and tire rotations. Due to its robust nature and the demands placed upon it, expect maintenance intervals to be consistent with other vehicles in its segment. Utilizing a reputable GMC dealership or a qualified mechanic experienced with heavy-duty diesel engines is highly recommended for specialized tasks and diagnostics.

  • Insurance: Insurance costs for a 2025 GMC Sierra 3500HD will likely be higher than for smaller or lighter-duty vehicles. Factors influencing this include its significant towing capacity, powerful engine options (particularly the diesel), advanced technology features, and its classification as a heavy-duty commercial-grade vehicle. Comprehensive and collision coverage will be essential, and depending on its intended use (personal vs. commercial), commercial insurance policies may apply and differ in cost.

Potential Considerations

While the Sierra 3500HD is a powerhouse, potential buyers should be aware of a few aspects:

  • Fuel Economy: While the Duramax diesel engine offers respectable fuel economy for its class, the standard V8 gasoline engine will naturally consume more fuel, especially when under load. Buyers prioritizing extreme fuel efficiency should lean towards the diesel option.
  • Maneuverability: Due to its substantial size and long wheelbase, the Sierra 3500HD can be less maneuverable in tight urban environments or crowded parking lots compared to smaller trucks. Parking and navigating in tight spaces require careful attention and a good understanding of the truck's dimensions.
  • Ride Quality (Unloaded): While refined for a heavy-duty truck, the ride can still be firmer when the truck is unloaded and not carrying a heavy payload. This is a common characteristic of trucks designed for substantial hauling and towing capabilities.

Overall Summary

The 2025 GMC Sierra 3500HD stands as a testament to uncompromised capability and advanced engineering. It's a truck built for those who need to tow substantial loads, haul significant weight, and tackle the toughest jobs with confidence. With its potent engine options, comprehensive safety features, innovative trailering technology, and a range of well-equipped trims from the functional Pro to the luxurious Denali, the Sierra 3500HD offers a compelling package for professionals and serious enthusiasts alike who demand the ultimate in heavy-duty performance.

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Listed on March 15, 2026 (25 days ago)
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