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21st Century Auto Sales Llc

1051 PARKWAY DR, Blackfoot, ID 83221
4.8
4.8 out of 5 stars
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Used 2025 GMC Sierra 3500HD Denali

13,888 miles
For Sale:$76,742

$4,227(-5.2%)price drop

Estimated payment:$1,740/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $71,000 and $83,400, while the current price is $76,742.$71,000 - $83,400$76,742

  • Priced at $76,742, this vehicle is within the current market price range of $71,000 to $83,400.

  • It has 13,888 miles, which is close to the median mileage of 14,700.

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

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  • Truck
  • Pickup
  • Crew Cab
  • Luxury
  • Very Comfortable
  • High-Tech
  • Extended Front Legroom
  • Condition
    Used
  • Mileage
    13,888miles
  • Aggregate Ratings
    4.2
    4.2 out of 5 stars
  • Generation
    4(2020 - 2026)
  • Drivetrain
    4X4
  • Transmission
    10-Speed Shiftable Automatic
  • Exterior Color
    Sterling Metallic (Gray)Factory Paint Code:GXD
  • Interior Color
    Atmosphere Brownstone (Brown & Beige)Factory Paint Code:H24
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT4UWEY3SF235046

Engine6.6L V8 Bio Diesel 470hp

  • Fuel Type:Bio Diesel
  • Max Horsepower:470 hp @ 2800 rpm
  • Max Torque:975 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

Duramax 6.6L V8 Turbodiesel Denali Clean CARFAX. 2025 GMC Sierra 3500HD Sterling Metallic 4WD 10-Speed Automatic KBB Fair Market Range High: $75,480 10-Speed Automatic, 4WD, Atmosphere/Brownstone Leather.
Odometer is 1645 miles below market average!

All Vehicles under 100,000 miles at 21st Century Auto Sales, comes with a 1 Month / 1000 Mile 50/50 warranty where the seller is responsible for half of parts and labor.

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Listed on March 26, 2026 (14 days ago)
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