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Northwest Auto Empire

18030 E Valley Hwy, Kent, WA 98032
4.6
4.6 out of 5 stars
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Used 2015 GMC Sierra 3500HD Denali

150,499 miles
For Sale:$32,990

$1,000(-2.9%)price drop

Estimated payment:$748/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $29,600 and $34,800, while the current price is $32,990.$29,600 - $34,800$32,990

  • Priced at $32,990, this vehicle is within the current market price range of $29,600 to $34,800.

  • It has 150,499 miles, which is close to the median mileage of 141,000.

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
1.2/8/2026 (2 months ago)$35,990
2.3/7/2026 (a month ago)-$2,000 (-5.6%)$33,990
3.4/4/2026 (5 days ago)-$1,000 (-2.9%)$32,990
2015-gmc-sierra-3500hd-denali-pickup-4d-8-ft.jpg
2015-gmc-sierra-3500hd-denali-pickup-4d-8-ft.jpg
2015-gmc-sierra-3500hd-denali-pickup-4d-8-ft.jpg
2015-gmc-sierra-3500hd-denali-pickup-4d-8-ft.jpg
2015-gmc-sierra-3500hd-denali-pickup-4d-8-ft.jpg
  • Truck
  • Pickup
  • Crew Cab
  • Luxury
  • Extended Front Legroom
  • Condition
    Used
  • Mileage
    150,499miles
  • Aggregate Ratings
    3.6
    3.6 out of 5 stars
  • Generation
    3(2015 - 2019)
  • Drivetrain
    4X4
  • Transmission
    6-Speed Shiftable Automatic
  • Exterior Color
    Onyx Black (Black)Factory Paint Code:GBA
  • Interior Color
    No Color
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT424E8XFF606090

Engine6.6L V8 Diesel 397hp

  • Fuel Type:Diesel
  • Max Horsepower:397 hp @ 3000 rpm
  • Max Torque:765 ft.lbf @ 1600 rpm
  • Brand:Duramax
  • Displacement:6.6liters
  • Block Type:V
  • Cylinders:8
  • Aspiration:Turbo
  • Fuel Induction:Common Rail Direct Injection
  • Redline:3,000rpm
  • 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
    Generally considered a reliable truck with robust build quality, though some minor electrical issues can occur.
  • Maintenance (3)
    3 out of 5 stars
    Parts can be expensive, and specialized service may be required for certain components, but routine maintenance is straightforward.
  • Technology (3)
    3 out of 5 stars
    Infotainment system is functional but feels dated compared to newer trucks. Some advanced safety features are available.
  • Comfort (4)
    4 out of 5 stars
    Denali trim offers a luxurious and quiet cabin, with comfortable seating for long hauls.
  • Dynamics (4)
    4 out of 5 stars
    Powerful engine and capable towing, but can feel a bit heavy in everyday driving.

  • Seating:

    • Seating Rows:2
    • Standard Seating:5
    • Max Seating:5
    • Leg Room (front):45.3in.
    • Leg Room (rear):45.9in.

  • Fuel Tank:

    • Fuel Tank Volume:36gallon

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Listed on February 7, 2026 (2 months ago)
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