Monster Motors Knoxville

3835 Airport Hwy, Louisville, TN 37777
4.8
4.8 out of 5 stars
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Used 2023 GMC Sierra 2500HD AT4

73,025 miles
For Sale:$56,253

$606(1.1%)price increased

Estimated payment:$1,276/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $52,700 and $61,900, while the current price is $56,253.$52,700 - $61,900$56,253
  • Priced at $56,253, this vehicle is within the current market price range of $52,700 to $61,900.

  • It has 73,025 miles, which is 21,925 (43%) above the median mileage of 51,100.

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
1.3/27/2026 (14 days ago)$55,669
2.3/28/2026 (13 days ago)+$415 (+0.7%)$56,084
3.3/29/2026 (12 days ago)-$185 (-0.3%)$55,899
4.3/31/2026 (10 days ago)-$649 (-1.2%)$55,250
5.4/2/2026 (7 days ago)+$950 (+1.7%)$56,200
6.4/7/2026 (3 days ago)-$442 (-0.8%)$55,758
7.4/8/2026 (2 days ago)-$111 (-0.2%)$55,647
8.4/9/2026 (13 hours ago)+$606 (+1.1%)$56,253
  • Truck
  • Pickup
  • Crew Cab
  • Heavy Hauler
  • Extended Front Legroom
  • Condition
    Used
  • Mileage
    73,025miles
  • Aggregate Ratings
    3.8
    3.8 out of 5 stars
  • Generation
    4(2020 - 2026)
  • Trim
    AT4
  • Drivetrain
    4X4
  • Transmission
    10-Speed Shiftable Automatic
  • Exterior Color
    Onyx Black (Black)Factory Paint Code:GBA
  • Interior Color
    Jet Black W Kalahari Accents (Black)Factory Paint Code:HVD
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Max Towing Capacity
    18,500lbs.
  • Ground Clearance
    10.1inch
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT49PEY5PF159926

Engine6.6L V8 Bio Diesel 445hp

  • Fuel Type:Bio Diesel
  • Max Horsepower:445 hp @ 2800 rpm
  • Max Torque:910 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

Recent Arrival! Onyx Black 2023 GMC Sierra 2500HD AT4 Stolen vehicle location/ recovery system, Sierra 2500HD AAT4, 4D Crew Cab, Duramax 6.6L V8 Turbodiesel, 10-Speed Automatic, 4WD, Onyx Black, Jet Black w/Kalahari Accents w/Perforated Leather-Appointed Front Seat Trim, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 12-Volt Rear Auxiliary Power Outlet, 120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 1st & 2nd Rows All-Weather Floor Liners (LPO), 2 USB Ports, 2 USB Ports (1st Row), 2-Speed Active Transfer Case, 20'' Machined Aluminum Wheels, 220 Amps Alternator, 2nd Row Dual USB Charge-Only Ports, 3.42 Axle Ratio, 4-Wheel Disc Brakes, 4.2'' Diagonal Color Display Driver Info Center, 6 Speakers, 6-Speaker Audio System Feature, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, AT4 Preferred Package, AT4 Premium Plus Package, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Bed View Camera w/2 Trailer Camera Provisions, Bose Premium 7 Speaker Sound System, Brake assist, Bumpers: body-color, Compass, Compass Located In Instrument Cluster, Deep-Tinted Glass, Delay-off headlights, Driver Alert Package I, Driver Alert Package II, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electrical Lock Control Steering Column, Electronic Stability Control, Emergency communication system: OnStar and GMC connected services capable, Engine Block Heater, Exhaust Brake, 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 Prem Floor Liners w/Removable Carpet Insert, Front reading lights, Front wheel independent suspension, Fully automatic headlights, GMC Connected Access Capable, Hard-Folding Tonneau Cover (LPO), HD Rear Vision Camera, HD Surround Vision w/2 Trailer View Camera Provisions, Heated & Ventilated Front Bucket Seats, 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 Battery, Hill Descent Control, Hitch Guidance w/Hitch View, Illuminated entry, In-Vehicle Trailering System App, Integrated Trailer Brake Controller, IntelliBeam Automatic High Beam On/Off, Keyless Open & Start, Lane Change Alert w/Side Blind Zone Alert, Lane Departure Warning System, LED Cargo Area Lighting, LED Smoked Amber Roof Marker Lamps, Low tire pressure warning, Manual Tilt-Wheel/Telescoping Steering Column, Navigation System, Occupant sensing airbag, Off-Road High Clearance Step (LPO), Off-Road Suspension, OnStar & GMC Connected Services Capable, Outside temperature display, Overhead airbag, Overhead console, Painted Black Surround Grille, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Leather-Appointed Front Seat Trim, Perimeter Lighting, Pickup Box, Power Door Locks, Power door mirrors, Power driver seat, Power Front Passenger Windows w/Express Up/Down, Power passenger seat, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Defogger, Power steering, Power Sunroof, Power windows, Power Windows w/Driver Express Up/Down, Power-Retractable Black Assist Steps, Preferred Equipment Group 4SB, Premium audio system: Premium GMC Infotainment System, Radio: AM/FM w/Prem GMC Infotainment System & Navi, Radio: AM/FM w/Premium GMC Infotainment System, Rear Cross Traffic Alert, Rear Prem Floor Liners w/Removable Carpet Insert, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear Underseat Storage (LPO), Rear Wheelhouse Liners, Rear window defroster, Red Recovery Hooks, Remote keyless entry, Remote Vehicle Starter System, Safety Alert Seat, Security sys

2023 GMC Sierra 2500HD: A Heavy-Duty Workhorse

The 2023 GMC Sierra 2500HD is a formidable contender in the heavy-duty pickup truck segment, engineered for those who demand exceptional towing and hauling capabilities without compromising on comfort and technology. Built on a foundation of robust construction and offering a range of powerful powertrains, the Sierra 2500HD is a versatile tool for demanding jobs and adventurous lifestyles.

Highlights

The 2023 Sierra 2500HD boasts an impressive array of features designed to enhance its capability, safety, and overall ownership experience.

  • Powertrain Prowess:
    • Standard 6.6L V8 Gas Engine: This powerhouse delivers a robust 401 horsepower and 464 lb-ft of torque, paired with a 6-speed automatic transmission. It's more than capable for most heavy-duty tasks.
    • Available 6.6L Duramax V8 Turbo-Diesel Engine: For those who truly push the limits, the Duramax diesel offers an astounding 445 horsepower and an immense 910 lb-ft of torque. This engine, coupled with a 10-speed Allison automatic transmission, provides unparalleled towing and hauling grunt, essential for serious commercial use or towing large recreational vehicles.
  • Advanced Safety Features: GMC equips the Sierra 2500HD with a suite of driver-assistance technologies designed to improve awareness and mitigate potential collisions.
    • Forward Collision Alert: Warns the driver of an impending frontal collision with a detected vehicle or pedestrian.
    • Automatic Emergency Braking: Can automatically apply the brakes to help reduce the severity of a frontal collision or avoid a low-speed impact.
    • Lane Departure Warning: Alerts the driver if the vehicle begins to drift out of its lane without signaling.
    • Blind Spot Warning: Monitors the blind spots on either side of the vehicle and alerts the driver if a vehicle is detected.
    • Rear Cross Traffic Alert: Detects approaching traffic when the vehicle is in reverse and alerts the driver.
    • StabiliTrak® Stability Control System: Helps prevent rollovers and loss of control by automatically applying brakes and reducing engine power.
  • Comprehensive Trim Selection: The Sierra 2500HD is available in several well-equipped trims, each offering increasing levels of luxury, technology, and capability.
    • Pro: The foundational trim, designed for pure workhorse functionality, offering essential features for productivity.
    • SLE: Elevates the experience with more comfort and convenience features, bridging the gap between work and everyday use.
    • SLT: Introduces a more refined interior with upgraded materials and additional technology, balancing capability with a premium feel.
    • AT4: Off-road oriented, featuring a 2-inch factory lift, Rancho® monotube suspension, skid plates, and an electronic locking rear differential for enhanced trail capability.
    • Denali: The pinnacle of the Sierra HD lineup, offering the most luxurious interior, advanced technology, and exclusive styling cues for an executive-level heavy-duty experience.
  • Innovative Technology: Beyond safety, the Sierra 2500HD integrates modern tech for convenience and connectivity. Features like the available Multi-Flex Tailgate offer enhanced versatility for loading and unloading, while the intuitive infotainment system keeps drivers connected.

What to Expect

Owning a 2023 GMC Sierra 2500HD is an experience geared towards capability and durability.

  • Ownership Experience: Expect a truck built for the long haul. The Sierra 2500HD is designed to handle strenuous work and frequent towing, making it a reliable partner for demanding tasks. The ride quality, especially when unloaded, can be firm, reflecting its heavy-duty nature, but it becomes much smoother when carrying a load or towing. The cabin is generally spacious and comfortable, particularly in the higher trims, providing a pleasant environment for long drives.
  • Maintenance: As a heavy-duty truck, the Sierra 2500HD will typically have longer maintenance intervals than a light-duty vehicle, but the cost per service might be higher due to specialized fluids and components, especially for the diesel engine. Regular oil changes, filter replacements, and tire rotations are crucial. For the Duramax diesel, specific diesel fuel filters and exhaust fluid (DEF) refills will also be part of the maintenance schedule. Following the recommended maintenance plan outlined in the owner's manual is paramount to ensuring the longevity and optimal performance of the truck.
  • Insurance: Insurance costs for a heavy-duty truck like the Sierra 2500HD are generally higher than for a standard passenger vehicle. This is due to the truck's higher replacement cost, greater towing capacity (which can increase risk in certain situations), and potentially higher repair costs. Factors such as your driving record, location, and chosen coverage levels will significantly influence your insurance premiums.

Potential Considerations

While the 2023 GMC Sierra 2500HD excels in many areas, potential buyers should be aware of a few aspects.

  • Fuel Economy: Heavy-duty trucks, especially those with powerful gasoline or diesel engines, are not known for their fuel efficiency. Expect significantly lower MPG figures compared to lighter-duty trucks or SUVs. This is a necessary trade-off for the immense capability the Sierra 2500HD provides.
  • Maneuverability: Due to its size and wheelbase, the Sierra 2500HD can be less maneuverable in tight urban environments or crowded parking lots. Drivers accustomed to smaller vehicles will need to adjust to its dimensions, utilizing the available camera systems and parking aids.
  • Ride Quality When Unloaded: While improved over past generations, the ride when the truck is not carrying a load or towing can still feel somewhat stiff or "bouncy" compared to lighter-duty pickups or SUVs. This is inherent to its robust suspension system, designed for hauling heavy weights.

Overall Summary

The 2023 GMC Sierra 2500HD stands as a testament to American engineering for those who require serious towing and hauling prowess. With its potent engine options, including the formidable Duramax diesel, advanced safety technologies, and a range of trims catering to diverse needs, it's a highly capable and comfortable heavy-duty pickup. While its fuel economy and maneuverability are considerations inherent to its class, the Sierra 2500HD delivers exceptional performance and reliability for work and play, making it a compelling choice for discerning truck buyers.

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Listed on March 27, 2026 (14 days ago)
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This Used 2023 GMC Sierra 2500HD AT4 is available for drivers in Knoxville, Maryville, Oak Ridge, Lenoir City, Powell, Farragut, Clinton, Seymour ...