Platinum Motors

7313 NE 113th St, Vancouver, WA 98662
4.3
4.3 out of 5 stars

Used 2021 GMC Sierra 3500HD Denali

102,824 miles
For Sale:$53,900
Estimated payment:$1,222/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $47,400 and $55,600, while the current price is $53,900.$47,400 - $55,600$53,900
  • Priced at $53,900, this vehicle is within the current market price range of $47,400 to $55,600.

  • It has 102,824 miles, which is 7,424 (8%) above the median mileage of 95,400.

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
    102,824miles
  • Aggregate Ratings
    4
    4 out of 5 stars
  • Generation
    4(2020 - 2026)
  • Drivetrain
    4X4
  • Transmission
    10-Speed Shiftable Automatic
  • Exterior Color
    Summit White (White)Factory Paint Code:GAZ
  • Interior Color
    Brown
  • Upholstery
    Leather
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Max Towing Capacity
    21,300lbs.
  • Weight Class
    10,000-14,000 lbs. (3)
  • Bed Length
    82.2in.
  • Ground Clearance
    11.2inch
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT49WEY5MF166865
  • Starting MSRP
    $66,700

Engine6.6L V8 Bio Diesel 445hp

  • Fuel Type:Bio Diesel
  • Max Horsepower:445 hp @ 2800 rpm
  • Power to Weight Ratio:15.61lbs/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

LIFTED DENALI ON 26'S AND BRAND NEW 37'S NOW LIVE! 6.6L DURAMAX DIESEL 10-SPEED AUTOMATIC TRANSMISSION SHIFT ON THE FLY 4WD 6 1/2" BDS LIFT KIT BRAND NEW 37" MT'S 26" WHEELS TINTED WINDOWS REMOTE START PUSH BUTTON START MOONROOF 360 CAMERA PACKAGE HEATED SEATS COOLED SEATS HEATED STEERING WHEEL NAVIGATION 5TH WHEEL/GOOSENECK PREP PACKAGE POWER RUNNING BOARDS SPRAY IN BED LINER WIRELESS PHONE CHARGER POWER FOLDING/EXTENDING TOW MIRRORS DUAL CLIMATE CONTROL TOW PACKAGE CALL OR TEXT JEREMY D AT 360-521-7252 OR JEREMY R AT 360-798-3556

* 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, and the 2021 Sierra 3500HD Denali upholds this. Owners report minimal issues, especially with proper maintenance.
  • Maintenance (3)
    3 out of 5 stars
    As with any heavy-duty truck, maintenance costs can be higher than a standard vehicle due to larger components and specialized fluids. However, routine service intervals are reasonable, and parts availability is good.
  • Technology (4)
    4 out of 5 stars
    GMC packed the Denali with useful technology, including a large infotainment screen, advanced trailering systems, and a comprehensive suite of safety features. While mostly intuitive, some interfaces could be slightly more streamlined.
  • 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 that makes long drives enjoyable. The ride quality is surprisingly smooth for a truck of this size.
  • Dynamics (4)
    4 out of 5 stars
    For a heavy-duty truck, the Sierra 3500HD Denali handles remarkably well. The steering is responsive, and it feels stable even when towing substantial loads. It's not a sports car, but for its class, it's very capable.

  • 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

All warranties have now EXPIRED

  • Corrosion Perforation
    6 years/100,000 miles
  • Diesel Engine 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

2021 GMC Sierra 3500HD

The 2021 GMC Sierra 3500HD stands as a formidable contender in the heavy-duty pickup truck segment, engineered for those who demand uncompromising capability and robust performance. Whether it's towing substantial trailers, hauling heavy payloads, or tackling demanding work sites, the Sierra 3500HD is built to excel. This overview delves into its key features, ownership experience, potential considerations, and overall value.

Highlights

  • Powertrain Prowess: The Sierra 3500HD offers two potent engine options to suit your hauling and towing needs.
    • 6.6L V8 Gas Engine: This gasoline powerhouse delivers ample muscle for everyday tasks and lighter heavy-duty applications.
    • Duramax 6.6L Turbo-Diesel V8 Engine: The star of the show, this diesel engine is renowned for its incredible torque, enabling the Sierra 3500HD to achieve its maximum towing and payload capacities. It's the go-to for the most demanding jobs.
  • Advanced Safety Features: GMC equips the Sierra 3500HD with a suite of advanced driver-assistance systems designed to enhance safety and confidence.
    • Forward Collision Alert: Warns of an imminent frontal collision, providing audible and visual alerts.
    • Automatic Emergency Braking: Can automatically apply brakes to help reduce the severity of a frontal collision or avoid it altogether.
    • Lane Departure Warning: Alerts the driver if the vehicle begins to drift out of its lane without the turn signal activated.
    • Blind Spot Monitoring with Trailer Blind Spot Monitoring: Detects vehicles in your blind spots and can also extend monitoring to your trailer, providing crucial alerts when changing lanes.
    • Rear Cross Traffic Alert: Warns of approaching traffic when you're backing out of a parking space or driveway.
    • Hitch Guidance with Hitch View: Provides a dynamic centerline guide on the screen to help you align your trailer for hitching, with a special camera view of the hitch area.
  • Trim Level Summary: The Sierra 3500HD is available in a range of trims, each offering a distinct blend of features and refinement.
    • Pro: The no-nonsense, work-oriented trim, focusing on essential functionality and durability.
    • SLE: Steps up with more creature comforts and technology, making it suitable for both work and everyday use.
    • SLT: Offers a more premium experience with enhanced interior appointments and advanced features.
    • AT4: The off-road oriented trim, featuring unique styling, lifted suspension, and off-road enhancements for tackling challenging terrain.
    • Denali: The pinnacle of luxury and technology, providing an upscale interior, premium materials, and the most advanced features available.
  • Innovative Towing Technology: Beyond the safety features, the Sierra 3500HD boasts several technologies specifically designed to simplify and improve the towing experience. This includes multiple camera views (including a transparent trailer view on select trims) and integrated trailer brake controllers.

What to Expect

Owning a 2021 GMC Sierra 3500HD is an experience characterized by capability and a certain rugged elegance. For daily driving, expect a commanding presence on the road and a comfortable, albeit truck-like, ride. The powerful engines, especially the Duramax diesel, provide effortless acceleration even when heavily loaded. Maintenance will likely involve regular oil changes, tire rotations, and fluid checks, with diesel-specific maintenance like fuel filter replacements being more frequent. Insurance costs can be higher than for lighter vehicles due to the truck's size, power, and repair costs. Resale value for well-maintained heavy-duty trucks like the Sierra 3500HD is generally strong, reflecting their enduring utility.

Potential Considerations

While the Sierra 3500HD is a highly capable machine, buyers should be aware of a few potential considerations. Its sheer size can make maneuverability in tight urban environments or parking garages challenging. Fuel economy, particularly with the gasoline engine or when towing, will be significantly lower than for smaller vehicles. The ride, while improved, can still be a bit firm when the truck is unloaded, as it's designed to handle heavy payloads. Some advanced features, while beneficial, can add complexity to the vehicle.

Overall Summary

The 2021 GMC Sierra 3500HD is a supremely capable and highly versatile heavy-duty pickup truck. It excels in its primary mission of towing and hauling, offering potent engine choices and an impressive array of technology to aid in these tasks. With its well-appointed interior options, especially on higher trims, it also offers a comfortable and refined experience for its segment. While its size and fuel consumption require consideration, for those who need to tackle the toughest jobs, the Sierra 3500HD is a compelling and reliable choice.

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Listed on April 4, 2026 (5 days ago)
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