Top Line Auto Sales

1700 N Holmes Ave, Idaho Falls, ID 83401
3.4
3.4 out of 5 stars
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Used 2021 GMC Sierra 2500HD SLE

127,919 miles
For Sale:$34,995
Estimated payment:$794/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $34,000 and $40,000, while the current price is $34,995.$34,000 - $40,000$34,995
  • Priced at $34,995, this vehicle is within the current market price range of $34,000 to $40,000.

  • It has 127,919 miles, which is 31,619 (33%) above the median mileage of 96,300.

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
  • Heavy Hauler
  • Extended Front Legroom
  • Vaulted Headroom
  • Condition
    Used
  • Mileage
    127,919miles
  • Aggregate Ratings
    3.6
    3.6 out of 5 stars
  • Generation
    4(2020 - 2026)
  • Trim
    SLE
  • Drivetrain
    4X4
  • Transmission
    6-Speed Shiftable Automatic
  • Exterior Color
    Summit White (White)Factory Paint Code:GAZ
  • Interior Color
    Jet Black (Black)Factory Paint Code:H0U
  • Upholstery
    Cloth
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    6
  • Max Towing Capacity
    18,500lbs.
  • Weight Class
    10,000-14,000 lbs. (3)
  • Bed Length
    82.2in.
  • Ground Clearance
    10.1inch
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT49ME70MF194715
  • Starting MSRP
    $48,200

Engine6.6L V8 Gasoline 401hp

  • Fuel Type:Gasoline
  • Fuel Quality:87
  • Max Horsepower:401 hp @ 5200 rpm
  • Power to Weight Ratio:17.02lbs/hp
  • Max Torque:464 ft.lbf @ 4000 rpm
  • Displacement:6.6liters
  • Block Type:V
  • Cylinders:8
  • Aspiration:Naturally Aspirated
  • Fuel Induction:Direct Injection
  • Redline:5,600rpm
  • Oil Capacity:7.6liters
  • Cam Type:OHV
  • Stroke:3.86
  • Bore:4.06
  • Valves:16

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

  • Reliability (4)
    4 out of 5 stars
    GMC trucks generally have a good reputation for reliability, and the 2500HD is built for durability. Owners typically report few major issues, especially with the proven powertrains.
  • Maintenance (3)
    3 out of 5 stars
    Maintenance costs are typical for a heavy-duty truck, meaning parts and labor can be more expensive than for a smaller vehicle. Fuel economy is also a consideration, especially with the gasoline engine.
  • Technology (4)
    4 out of 5 stars
    The infotainment system is user-friendly with a good touchscreen and standard Apple CarPlay/Android Auto. The available trailering tech is a huge plus for those who tow frequently.
  • Comfort (3)
    3 out of 5 stars
    The SLE trim offers a decent level of comfort with supportive seats, though the ride can be a bit firm, as expected from a 3/4-ton truck. Road noise is present but not overly intrusive.
  • Dynamics (4)
    4 out of 5 stars
    For a heavy-duty truck, the Sierra 2500HD handles surprisingly well. The steering is responsive, and it feels stable even when towing heavy loads. It's not a sports car, but it's very capable for its class.

  • Entertainment:

    • Bluetooth
    • Satellite Radio
  • Exterior:

    • Heated Mirrors
    • Tinted Windows
  • Other:

    • Trailer Hitch
  • Safety:

    • Backup Camera
    • Tire Pressure Monitoring
  • Technology:

    • Android Auto

  • Air Conditioning

    • Front air conditioning zones: single
    • Rear vents: second row
    • Front air conditioning
    • Air filtration
  • Airbags

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

    • Auxiliary audio input: Bluetooth
    • Radio: touch screen display
    • Antenna type: diversity
    • Antenna type: mast
    • 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

    • Floor mat material: rubber/vinyl
    • Steering wheel trim: leather
    • Door trim: simulated wood
    • Interior accents: metallic-tone
    • Armrests: front center
    • Interior accents: woodgrain
    • Floor mats: rear
    • Floor mats: front
    • Floor material: carpet
  • Convenience Features

    • Power outlet(s): USB front
    • Cupholders: front
    • Steering wheel: tilt
    • One-touch windows: 4
    • Reading lights: front
    • Cruise control
    • Power steering
    • Multi-function remote: keyless entry
    • Multi-function remote: panic alarm
    • Power windows: lockout button
    • Overhead console: front
    • Steering wheel mounted controls: audio
    • Rearview mirror: manual day/night
    • Reading lights: rear
    • Power outlet(s): 12V front
    • Assist handle: rear
    • Sun visors
    • Steering wheel mounted controls: cruise control
    • Steering wheel mounted controls: phone
    • Steering wheel mounted controls: multi-function
    • Assist handle: front
    • Storage: door pockets
    • Capless fuel filler system
  • Drivetrain

    • 4WD type: part time
    • 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

    • Tailgate: power locking
    • Tailgate: power open
    • Tailgate: multi-function split-folding
    • Bumper detail: rear integrated corner step
    • Mirror color: black
    • Pickup bed light
    • Door handle color: body-color
    • Grille color: chrome
    • Grille color: chrome surround
    • Tailgate: removable
    • Exhaust tip color: stainless steel
    • Tailgate: lift assist
    • Rear bumper color: chrome
    • Fender lip moldings: black
    • Hood scoop
    • Front bumper color: chrome
    • Window trim: stainless steel
    • Tailgate: step
  • In Car Entertainment

    • Smartphone integration: Apple CarPlay
    • Smartphone integration: Android Auto
    • Infotainment: GMC Infotainment System
    • Infotainment screen size: 8 in.
  • Instrumentation

    • Warnings and reminders: low battery
    • Instrument cluster screen size: 4.2 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
    • Taillights: LED
    • Headlights: LED
    • Headlights: wiper activated
    • Headlights: auto delay off
    • Headlights: auto on/off
  • Mirrors

    • Side mirrors: integrated turn signals
    • Side mirror adjustments: power
    • Side mirror adjustments: manual folding
    • Side mirrors: heated
    • Side mirror adjustments: manual telescoping
    • Towing mirrors
  • Safety

    • Rearview monitor: in dash
    • Check rear seat reminder
    • Child safety door locks
    • Child seat anchors: LATCH system
    • Camera system: rearview
    • Programmable safety key
  • Seatbelts

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

    • Rear headrests: 3
    • Driver seat manual adjustments: 4
    • Passenger seat manual adjustments: 4
    • Front headrests: 2
    • Front seat type: 40-20-40 split bench
    • Upholstery: cloth
    • Rear seat type: 60-40 split bench
    • Rear headrests: adjustable
    • Front headrests: adjustable
    • Driver seat manual adjustments: reclining
    • Passenger seat manual adjustments: reclining
    • Rear seat folding: folds up
  • Security

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

    • 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
    • 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

    • 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
  • Tires and Rims

    • Tire type: all season
    • Spare tire mount location: underbody
    • Spare wheel type: steel
    • Tire Pressure Monitoring System
    • Spare tire size: full-size
    • Wheels: aluminum alloy with painted accents
  • 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

    • Front wipers: variable intermittent
    • Tinted glass
    • Power windows: safety reverse

  • Seating:

    • Seating Rows:2
    • Standard Seating:6
    • Max Seating:6
    • 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:6,824lbs
    • Gross Weight:10,450lbs
    • Gross Combined Weight:24,000lbs
  • Wheels & Tires:

    • Wheel Diameter:17.0 x 7.5in.
    • Wheel Diameter (rear):17.0 x 7.5in.
    • Tire:LT245/75R17E
    • Tire (rear):LT245/75R17E
  • Performance:

    • Power to Weight Ratio:17.02lbs/hp
    • Turning Circle:52.7ft.
    • Max Payload:3,589lbs
    • Towing Capacity:14,500lbs
    • Max Towing Capacity:18,500lbs
  • Fuel Tank:

    • Fuel Tank Volume:36gallon

All warranties have now EXPIRED

  • 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 7, 2026 (2 days ago)
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This Used 2021 GMC Sierra 2500HD SLE is available for drivers in Idaho Falls, Rexburg, Rigby, Shelley ...