D&M Auto Sales LLC

2838 Northwestern Pike, Winchester, VA 22603
4.5
4.5 out of 5 stars

Used 2021 GMC Sierra 2500HD Denali

70,000 miles
For Sale:$61,900
Estimated payment:$1,404/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $51,600 and $60,600, while the current price is $61,900.$51,600 - $60,600$61,900
  • Priced at $61,900, this vehicle is $1,300 above the high end of its fair market value of $60,600.

  • The current fair market price range is between $51,600 to $60,600.

  • It has 70,000 miles, which is 14,800 (17%) below the median mileage of 84,800.

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
  • Truck
  • Pickup
  • Crew Cab
  • Luxury
  • Very Comfortable
  • Heavy Hauler
  • Extended Front Legroom
  • Vaulted Headroom
  • Condition
    Used
  • Mileage
    70,000miles
  • Aggregate Ratings
    4
    4 out of 5 stars
  • Generation
    4(2020 - 2026)
  • Trim
    Denali
  • Drivetrain
    4X4
  • Transmission
    10-Speed Shiftable Automatic
  • Exterior Color
    Pacific Blue Metallic (Blue)Factory Paint Code:GA0
  • Interior Color
    Jet Black (Black)Factory Paint Code:H2X
  • Upholstery
    Leather
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Max Towing Capacity
    17,860lbs.
  • Weight Class
    10,000-14,000 lbs. (3)
  • Bed Length
    82.2in.
  • Ground Clearance
    10.1inch
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT49REY6MF120950
  • Starting MSRP
    $65,500

Engine6.6L V8 Bio Diesel 445hp

  • Fuel Type:Bio Diesel
  • Max Horsepower:445 hp @ 2800 rpm
  • Power to Weight Ratio:15.4lbs/hp
  • 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

2021 GMC 2500HD Denali Ultimate. 70k miles. Rust free. Every option available including tech package. Underside looks like new. Clean black leather interior with heated/cooled seats, sunroof, fitted floor mats etc. power steps. 3 inch Cognito lift with Fox shocks and 34" all terrain tires just installed. Hard tri-fold tonneau, Wi-Fi RGB Auxbeam 8 gang switch panel, Bulletpoint Solutions grid for mounting phones, etc - 5 inch exhaust and five position shift on the fly tuning that range from modified stock to +200 hp over stock. It also has color matched fender flares and Diode Dynamics blackout marker lights that are sequential turn signals. Very clean truck inside and out. $62,900. VADLR. Holds welcome with a deposit. Fast nation wide shipping. Bring your own financing. 1GT49REY6MF120950

* 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 with their powertrains. While some minor electrical gremlins can occur, major mechanical issues are rare when properly maintained.
  • Maintenance (3)
    3 out of 5 stars
    As a heavy-duty truck, maintenance costs can be higher than a light-duty vehicle. Parts are more expensive, and specialized fluids and larger tires contribute to higher routine service expenses. Fuel economy is also a factor in overall running costs.
  • Technology (4)
    4 out of 5 stars
    GMC has packed the Denali with a good suite of technology, including a large infotainment screen with Apple CarPlay and Android Auto, a comprehensive camera system, and various driver-assist features. While generally intuitive, some menus can be a bit deep.
  • Comfort (5)
    5 out of 5 stars
    The Denali trim truly shines in comfort. The interior is luxurious with premium materials, heated and ventilated seats, and a quiet cabin. The ride, while firm due to its HD nature, is remarkably smooth for a truck designed for heavy work, making long journeys pleasant.
  • Dynamics (4)
    4 out of 5 stars
    For a heavy-duty truck, the Sierra 2500HD Denali handles surprisingly well. The steering is responsive, and while it's a big vehicle, it doesn't feel overly cumbersome in most driving situations. The powerful engine options provide ample acceleration and towing capability.

  • Comfort & Seating:

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

    • 115V Power Outlet
    • Automatic Climate Control
    • Garage Door Opener
    • Parking Sensors
    • 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: jack
    • Auxiliary audio input: USB
    • Auxiliary audio input: memory card slot
    • Radio: HD radio
    • 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

    • Floor mat material: carpet
    • Heated steering wheel
    • Center console trim: leather
    • Center console trim: simulated wood
    • Steering wheel trim: leather
    • Door trim: simulated wood
    • Door trim: leather
    • Interior accents: metallic-tone
    • Armrests: rear folding
    • Armrests: rear center with cupholders
    • Interior accents: woodgrain
    • Floor mats: rear
    • Floor mats: front
    • Floor material: carpet
  • Convenience Features

    • Wireless charging station: front
    • Power outlet(s): USB front
    • Power outlet(s): USB rear
    • Cupholders: front
    • Memorized settings: 2 driver
    • Steering wheel: tilt and telescopic
    • Power outlet(s): 115V cargo area
    • One-touch windows: 4
    • Reading lights: front
    • Power steering: variable/speed-proportional
    • Power outlet(s): 12V rear
    • Cruise control
    • Multi-function remote: panic alarm
    • Power windows: lockout button
    • Overhead console: front
    • Steering wheel mounted controls: audio
    • Memorized settings: driver seat
    • Memorized settings: side mirrors
    • Push-button start
    • Vanity mirrors: dual illuminating
    • Reading lights: rear
    • Power outlet(s): 12V front
    • Assist handle: rear
    • Remote engine start/cabin preconditioning
    • 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
    • Mirror color: chrome
    • Pickup bed liner: spray-on
    • Running boards
    • Grille color: chrome
    • 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
    • Window trim: stainless steel
    • Skid plate(s): rear
    • Tailgate: step
  • In Car Entertainment

    • Connected in-car apps: app marketplace integration
    • Infotainment: GMC Infotainment System
    • Infotainment screen size: 8 in.
    • Smartphone integration: wireless Apple CarPlay
    • Smartphone integration: wireless Android Auto
  • Instrumentation

    • Warnings and reminders: low battery
    • Customizable instrument cluster
    • Instrument cluster screen size: 8 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
    • Check rear seat reminder
    • Camera system: cargo area
    • 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: short and long arm
    • Front shock type: twin-tube gas
  • Telematics

    • Navigation system: memory card
    • Electronic messaging assistance: with read function
    • Electronic messaging assistance: voice operated
    • Satellite communications: voice guided directions
    • Wi-Fi: hotspot
    • Driver assistance app: roadside assistance
    • Smart device app function: maintenance status
    • Smart device app compatibility: myGMC with Connected Access
    • Satellite communications: OnStar
    • Wireless data link: Bluetooth
    • Hands-free phone call integration: voice operated
    • Navigation system: touch screen display
    • 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

  • Seating:

    • Seating Rows:2
    • Standard Seating:5
    • Max Seating:5
    • Head Room (front):43in.
    • Leg Room (front):44.5in.
    • Shoulder Room (front):66in.
    • Hip Room (front):61.2in.
    • Head Room (rear):39.9in.
    • Leg Room (rear):43.4in.
    • Shoulder Room (rear):65.3in.
    • Hip Room (rear):60.2in.
  • Measurements:

    • Length:250.1in.
    • Width:81.9in.
    • Height:79.8in.
    • Bed Length:82.2in.
    • Ground Clearance:10.1in.
    • Wheelbase:158.9in.
    • Front Track:68.1in.
    • Rear Track:68.3in.
  • Weight:

    • Curb Weight:6,852lbs
    • Gross Weight:10,650lbs
    • Gross Combined Weight:24,000lbs
  • Wheels & Tires:

    • Wheel Diameter:20.0 x 8.5in.
    • Wheel Diameter (rear):20.0 x 8.5in.
    • Tire:LT275/65R20
    • Tire (rear):LT275/65R20
  • Performance:

    • Power to Weight Ratio:15.4lbs/hp
    • Turning Circle:52.7ft.
    • Max Payload:3,760lbs
    • Towing Capacity:14,500lbs
    • Max Towing Capacity:17,860lbs
  • Fuel Tank:

    • Fuel Tank Volume:36gallon

Possible remaining factory warranty

  • Corrosion Perforation
    6 years/100,000 miles
  • Diesel Engine Transferable Powertrain
    5 years/100,000 miles
  • Roadside Assistance
    5 years/60,000 miles
  • Courtesy Transportation
    5 years/60,000 miles
  • Transferable Powertrain
    5 years/60,000 miles
  • Bumper to Bumper
    3 years/36,000 miles
  • Corrosion
    3 years/36,000 miles
  • First Scheduled Maintenance
    1 years/unlimited miles

  • 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

2021 GMC Sierra 2500HD: A Heavy-Duty Workhorse

The 2021 GMC Sierra 2500HD is a full-size heavy-duty pickup truck engineered for demanding tasks, from towing substantial trailers to hauling heavy payloads. It offers a blend of robust capability, refined interior appointments, and advanced technology, making it a compelling choice for those who require serious muscle and a comfortable driving experience.

Highlights

  • Engine Options: The Sierra 2500HD provides two formidable powertrain options to tackle any job:

    • 6.6L V8 Gas Engine: This gasoline powerhouse delivers strong performance for everyday hauling and towing needs.
    • 6.6L Duramax Turbo-Diesel V8 Engine: For maximum towing and hauling capability, the Duramax diesel is the undisputed champion. Its immense torque allows for effortless towing of gooseneck and fifth-wheel trailers, as well as the heaviest loads. This engine is paired with an Allison 10-speed automatic transmission, known for its smooth shifting and robust performance under load.
  • Safety Features: GMC equips the Sierra 2500HD with a suite of advanced driver-assistance systems designed to enhance awareness and prevent collisions:

    • Forward Collision Alert: Provides warnings if a potential front-end collision is detected, prompting the driver to take action.
    • Automatic Emergency Braking: Can automatically apply the brakes to help mitigate or avoid a collision if the system detects an imminent frontal impact and the driver doesn't respond.
    • Lane Departure Warning: Alerts the driver if the vehicle begins to drift out of its lane without the turn signal being activated, promoting driver attentiveness.
    • Blind Spot Monitor: Uses sensors to detect vehicles in the blind spots on either side of the truck, providing visual and audible alerts.
    • Rear Cross-Traffic Alert: Warns the driver of approaching traffic when reversing out of a parking spot or driveway.
    • Hitch Guidance with Hitch View: This innovative feature offers a dynamic guideline on the rearview camera display to assist with trailer alignment during hitching, and Hitch View provides a zoomed-in perspective of the trailer coupling area.
  • Trim Summary: The 2021 Sierra 2500HD is available in a range of trims, each offering a progressively higher level of luxury, capability, and features:

    • Pro: The no-nonsense, work-focused base trim, offering essential capability for demanding jobs.
    • SLE: A well-equipped trim that balances workhorse functionality with added comfort and convenience features.
    • All-Terrain: Built for off-road adventures, this trim includes specialized tires, suspension enhancements, and distinctive styling cues.
    • SLT: Offers a significant upgrade in interior refinement and technology, making it a more comfortable daily driver.
    • AT4: The premium off-road focused trim, combining the capabilities of the All-Terrain with luxurious appointments and exclusive off-road features.
    • Denali: The pinnacle of Sierra luxury, this trim boasts the most sophisticated interior materials, advanced technology, and exclusive styling elements, providing a near-luxury experience in a heavy-duty truck.
  • Other Notable Aspects:

    • Durability and Construction: Built with high-strength steel frames and body panels, the Sierra 2500HD is engineered for longevity and resilience in tough environments.
    • Towing Technology: Beyond Hitch Guidance, GMC offers an integrated trailer brake controller, trailer sway control, and available trailer cameras, all contributing to a more confident and secure towing experience.
    • ProGrade Trailering System: This suite of features aims to simplify and enhance the towing process, from hitching to managing trailer stability.
    • Spacious Cabins: The Sierra 2500HD offers spacious crew cab and double cab configurations, providing ample room for passengers and cargo.

What to Expect

Owning a 2021 GMC Sierra 2500HD is typically an experience of robust capability and dependable performance. For owners who regularly tow or haul, the truck will likely live up to its heavy-duty billing, making light work of demanding tasks. The diesel engine, in particular, offers exceptional range and towing power, making it ideal for long-distance hauls or frequent trailer use.

Maintenance: As with any heavy-duty vehicle, routine maintenance is crucial to ensure longevity and optimal performance. Expect regular oil changes (potentially more frequent with the diesel under heavy use), filter replacements, and inspections of vital components like the brakes, suspension, and exhaust system. The diesel engine may also require specific additive top-ups or regeneration cycles, depending on driving habits.

Insurance: Insurance costs for a heavy-duty truck like the Sierra 2500HD will generally be higher than for a standard pickup or passenger vehicle. This is due to the truck's higher purchase price, its significant towing and hauling capacity (which can lead to higher repair costs if involved in an accident), and the potential for it to be used in commercial applications. Factors such as your driving record, location, chosen coverage levels, and the specific trim level will all influence the final premium.

Potential Considerations

  • Fuel Economy: While powerful, the heavy-duty nature and larger engines of the Sierra 2500HD mean that fuel efficiency will not be a strong suit, especially when towing or hauling. Expect significantly lower MPG figures compared to lighter-duty trucks.
  • Maneuverability: The sheer size and weight of the Sierra 2500HD can make it challenging to maneuver in tight spaces, such as crowded parking lots or narrow city streets. Parking can require more planning and attention.
  • Ride Comfort (Unladen): While the suspension is designed to handle heavy loads, the ride can be firmer and bouncier when the truck is unloaded compared to a half-ton pickup.
  • Diesel Engine Complexity: While the Duramax diesel is incredibly capable, it can be more complex and potentially more expensive to repair than the gasoline V8, especially if issues arise with emissions systems or turbochargers.

Overall Summary

The 2021 GMC Sierra 2500HD stands as a formidable contender in the heavy-duty truck segment, offering a compelling package of power, towing prowess, and modern amenities. With its robust engine options, advanced towing technology, and a range of well-appointed trims, it caters to a wide spectrum of needs for those who demand more from their truck. While its size and fuel consumption are inherent characteristics of its class, the Sierra 2500HD delivers on its promise of uncompromising capability and a comfortable, feature-rich ownership experience for those who require a true workhorse.

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Listed on April 27, 2026 (4 hours ago)
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This Used 2021 GMC Sierra 2500HD Denali is available for drivers in Winchester, Martinsburg, Front Royal, Stephens City, Charles Town, Hedgesville, Inwood, Harpers Ferry ...

Cruz™ Disclaimer: Vehicle details shown on this site are provided by sellers or third parties. Cruz™ does not independently verify this information and is not liable for its accuracy. All services and content are offered without any warranty, either expressed or implied. Learn more here.MPG & Max Range: Fuel economy estimates are provided by the EPA and are intended for comparison purposes only. Your actual mileage will vary depending on driving conditions, vehicle condition, and other factors.Price: Prices shown may not include taxes, fees, or other charges. Prices and availability are subject to change without notice. Contact the seller for the most current pricing information.Options & Features: Installed options may not be shown. Contact the seller for more information about available features and options.