Lenz Truck - Fond du Lac, WI

536 S SEYMOUR ST, Fond Du Lac, WI 54935
4.5
4.5 out of 5 stars

Used 2020 GMC Sierra 2500HD Denali

68,913 miles
For Sale:Price Unknown
  • Truck
  • Pickup
  • Crew Cab
  • Luxury
  • Condition
    Used
  • Mileage
    68,913miles
  • Aggregate Ratings
    3.8
    3.8 out of 5 stars
  • Generation
    4(2020 - 2026)
  • Trim
    Denali
  • Drivetrain
    4X4
  • Transmission
    10-Speed Shiftable Automatic
  • Exterior Color
    Black
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Max Towing Capacity
    18,500lbs.
  • Ground Clearance
    10.1inch
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT19REY0LF217644

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

* 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 good reputation for reliability, and the 2020 Sierra 2500HD Denali is no exception. The Duramax diesel engine is particularly known for its durability. Minor electrical glitches can occur, but major powertrain issues are rare.
  • Maintenance (3)
    3 out of 5 stars
    Maintenance costs are typical for a heavy-duty diesel truck, meaning they can be higher than a standard gasoline vehicle. Parts and labor for specialized components like the diesel engine and heavy-duty transmission can add up. Fuel economy, while decent for its class, also contributes to running costs.
  • Technology (4)
    4 out of 5 stars
    The infotainment system is user-friendly with a good touchscreen, Apple CarPlay, and Android Auto. It also boasts advanced towing technologies like multiple camera views and a transparent trailer view, which are incredibly helpful. Some might find the screen size a bit small compared to newer rivals.
  • Comfort (4)
    4 out of 5 stars
    The Denali trim offers a very comfortable cabin with high-quality materials, heated and ventilated seats, and ample space for passengers. The ride quality is good for a truck of this class, though it can still be a bit bouncy over rougher pavement when unladen.
  • Dynamics (4)
    4 out of 5 stars
    For a heavy-duty truck, the Sierra 2500HD Denali handles surprisingly well. The steering is responsive, and body roll is managed effectively, especially considering its size and towing capabilities. It feels stable on the highway and capable off-road.

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Listed on April 29, 2026 (4 hours ago)
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Used 2020 GMC Sierra 2500HD Denali for sale in Fond Du Lac, WI 54935 | Cruz.com