Chadron Motor Company

1500 Highway 20, Chadron, NE 69337
4.4
4.4 out of 5 stars
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Used 2025 GMC Sierra 3500HD AT4

For Sale:$78,955

$1,036(-1.3%)price drop

Estimated payment:$1,790/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

SequenceDatePrice ChangeCurrent Price
1.2/24/2026 (a month ago)$84,000
2.3/13/2026 (a month ago)-$1,385 (-1.6%)$82,615
3.3/19/2026 (21 days ago)-$1,700 (-2.1%)$80,915
4.3/26/2026 (14 days ago)-$924 (-1.1%)$79,991
5.4/2/2026 (7 days ago)-$1,036 (-1.3%)$78,955
  • Truck
  • Pickup
  • Crew Cab
  • High-Tech
  • Heavy Hauler
  • Extended Front Legroom
  • Condition
    Used
  • Aggregate Ratings
    4
    4 out of 5 stars
  • Generation
    4(2020 - 2026)
  • Drivetrain
    4X4
  • Transmission
    10-Speed Shiftable Automatic
  • Exterior Color
    Sterling Metallic (Gray)Factory Paint Code:GXD
  • Interior Color
    Jet Black W Kalahari Accents (Black)Factory Paint Code:HVD
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Max Towing Capacity
    16,000lbs.
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT4UVEY0SF220045

Engine6.6L V8 Bio Diesel 470hp

  • Fuel Type:Bio Diesel
  • Max Horsepower:470 hp @ 2800 rpm
  • 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

2025 GMC Sierra 3500HD AT4 Sterling Metallic 4WD Duramax 6.6L V8 Turbodiesel 10-Speed Automatic
Features: 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, 2-Speed Active Transfer Case, 220 Amp Alternator, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, AT4 Preferred Package, AT4 Premium Plus Package, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-Dimming Inside Rearview Mirror w/Camera, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Bed View Camera w/2 Trailer Camera Provisions, Black Front & Rear Molded Splash Guards (LPO), Bose Premium 7-Speaker Sound System, Brake assist, Buckle to Drive, Bumpers: body-color, Compass, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electronic Stability Control, Engine Block Heater, Exhaust Brake, Exterior Parking Camera Rear, Floor-Mounted Center Console, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front Pedestrian Braking, Front Rain-Sensing Wipers, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Gloss Black Header & Grille Insert Bars, GMC Premium 13.4'' Diagonal Information Display, Gooseneck/5th Wheel Prep Package, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated Driver & Front Outboard Passenger Seats, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty 80 Amp-Hr Battery, Hill Descent Control, Hitch Guidance w/Hitch View, Illuminated entry, IntelliBeam Automatic High Beam On/Off, Keyless Open & Start, Lane Departure Warning System, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Low tire pressure warning, Manual Tilt-Wheel/Telescoping Steering Column, Memory seat, Multicolor 15'' Diagonal Head-Up Display, Occupant sensing airbag, Off-Road High Clearance Step (LPO), Off-Road Suspension, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Front Leather Seat Trim, Pickup Bed, Power door mirrors, Power driver seat, Power Front Windows w/Passenger Express Up/Down, Power passenger seat, Power Sliding Rear Window w/Defogger, Power steering, Power Sunroof, Power windows, Preferred Equipment Group 4SB, Prem Front Floor Liners w/Removable Carpet Insert, Prem Rear Floor Liners w/Removable Carpet Insert, Push Button Start, Radio: AM/FM w/Premium GMC Infotainment System, Rain sensing wipers, Rear Cross Traffic Alert, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear Wheelhouse Liners, Rear window defroster, Remote keyless entry, Remote Vehicle Starter System, Safety Alert Seat, Security system, SiriusXM w/360L Trial Subscription, Snow Plow Prep/Camper Package, Speed control, Speed-sensing steering, Split folding rear seat, Spray-On Pickup Bedliner w/GMC Logo, Steering Wheel Audio Controls, Steering wheel mounted audio controls, Tachometer, Technology Package, Telescoping steering wheel, Tilt steering wheel, Traction control, Trailer Camera Provisions, Trailer Side Blind Zone Alert, Trip computer, Turn signal indicator mirrors, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Universal Home Remote, Upfitter Switch Kit (5), Variably intermittent wipers, Ventilated Driver & Front Passenger Seats, Ventilated front seats, Voltmeter, Wheels: 20'' High Gloss Black 8 Spoke Aluminum, Winter Grille Cover, Wireless Chargi

* Based on opinions and should be considered as general guidance only.

  • Reliability (4)
    4 out of 5 stars
    GMC heavy-duty trucks generally have a strong reputation for reliability, especially the robust Duramax diesel engine. While it's a new model year, the underlying platforms and powertrains are proven, suggesting good long-term dependability.
  • Maintenance (3)
    3 out of 5 stars
    Maintenance costs for heavy-duty trucks, especially diesel variants, can be higher than standard vehicles due to specialized parts and fluids. However, the service intervals are typically long, and the widespread dealer network makes servicing convenient.
  • Technology (5)
    5 out of 5 stars
    GMC has packed the 2025 Sierra 3500HD AT4 with cutting-edge technology. The infotainment system is intuitive and responsive, featuring a large touchscreen, wireless Apple CarPlay/Android Auto, and a host of advanced trailering technologies and driver-assist systems that enhance safety and convenience.
  • Comfort (4)
    4 out of 5 stars
    The AT4 trim offers a comfortable and well-appointed interior. The seats are supportive for long hauls, and the cabin is relatively quiet, isolating occupants from road and wind noise. The ride quality, while firm due to its heavy-duty nature, is more refined than expected.
  • Dynamics (4)
    4 out of 5 stars
    Given its size, the Sierra 3500HD AT4 handles surprisingly well, especially for a heavy-duty truck. The steering is responsive, and body roll is managed effectively for its class. It feels stable and confident on the highway and capable off-road.

  • Seating:

    • Seating Rows:2
    • Standard Seating:5
    • Max Seating:5
    • Leg Room (front):44.5in.
    • Leg Room (rear):43.4in.
  • Measurements:

    • Width:81.9in.
  • Wheels & Tires:

    • Tire:LT275/65R20
  • Performance:

    • Towing Capacity:16,000lbs
    • Max Towing Capacity:16,000lbs
  • Fuel Tank:

    • Fuel Tank Volume:35.9gallon

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 February 20, 2026 (2 months ago)
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