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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 2011 GMC Sierra 2500HD Denali

143,905 miles
For Sale:$26,802
Estimated payment:$608/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $20,400 and $24,000, while the current price is $26,802.$20,400 - $24,000$26,802

  • Priced at $26,802, this vehicle is $2,802 above the high end of its fair market value of $24,000.

  • The current fair market price range is between $20,400 to $24,000.

  • It has 143,905 miles, which is 47,395 (25%) below the median mileage of 191,300.

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
Used 2011 GMC Sierra 2500HD Denali for sale near Idaho Falls, Blackfoot, Shelley
Used 2011 GMC Sierra 2500HD Denali for sale near Idaho Falls, Blackfoot, Shelley
Used 2011 GMC Sierra 2500HD Denali for sale near Idaho Falls, Blackfoot, Shelley
Used 2011 GMC Sierra 2500HD Denali for sale near Idaho Falls, Blackfoot, Shelley
Used 2011 GMC Sierra 2500HD Denali for sale near Idaho Falls, Blackfoot, Shelley
  • Truck
  • Pickup
  • Crew Cab
  • Luxury
  • Vaulted Headroom
  • Condition
    Used
  • Mileage
    143,905miles
  • Aggregate Ratings
    3.6
    3.6 out of 5 stars
  • Generation
    2(2007 - 2014)
  • Trim
    Denali
  • Drivetrain
    4X4
  • Transmission
    6-Speed Shiftable Automatic
  • Exterior Color
    Onyx Black (Black)Factory Paint Code:41U
  • Interior Color
    Ebony
  • Upholstery
    Leather
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Max Towing Capacity
    15,600lbs.
  • Weight Class
    6,000-10,000 lbs. (2)
  • Bed Length
    78.8in.
  • Ground Clearance
    8.2inch
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT125C8XBF242677
  • Starting MSRP
    $46,800

Engine6.6L V8 Diesel 397hp

  • Fuel Type:Diesel
  • Max Horsepower:397 hp @ 3000 rpm
  • Power to Weight Ratio:16.53lbs/hp
  • 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

Message from the seller

Duramax 6.6L V8 Turbodiesel Denali 2011 GMC Sierra 2500HD Onyx Black 4WD Allison 1000 6-Speed Automatic KBB Fair Market Range High: $28,210 Duramax 6.6L V8 Turbodiesel, Allison 1000 6-Speed Automatic, 4WD, Ebony Leather.


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.

Awards:
* JD Power Dependability Study
Reviews:
* If you are a satisfied past or current Sierra HD owner, you will love these much-improved new ones despite their mostly carryover styling. Their performance, capabilities, refinement and fuel efficiency have improved, especially with their new and surprisingly quiet available Duramax turbo diesel V8. Source: KBB.com
* Impressive hauling and towing capabilities; refined and quiet ride; solid build quality; responsive steering; comfortable seats. Source: Edmunds

  • Comfort & Seating:

    • Heated Seats
    • Power Seats

  • Convenience:

    • Adjustable Pedals
    • Automatic Climate Control
    • Parking Sensors
    • Remote Start

  • Entertainment:

    • Bluetooth
    • Premium Audio
    • Satellite Radio

  • Exterior:

    • Heated Mirrors
    • Tinted Windows

  • Other:

    • Trailer Hitch

  • Safety:

    • Tire Pressure Monitoring

  • Seating:

    • Seating Rows:2
    • Standard Seating:5
    • Max Seating:5
    • Head Room (front):41.3in.
    • Leg Room (front):41.3in.
    • Shoulder Room (front):65.2in.
    • Hip Room (front):60.3in.
    • Head Room (rear):40.6in.
    • Leg Room (rear):39in.
    • Shoulder Room (rear):65.2in.
    • Hip Room (rear):65.5in.

  • Measurements:

    • Length:240.2in.
    • Width:80in.
    • Height:78.1in.
    • Bed Length:78.8in.
    • Ground Clearance:8.2in.
    • Wheelbase:153.7in.
    • Front Track:68.8in.
    • Rear Track:67.3in.

  • Weight:

    • Curb Weight:6,562lbs
    • Gross Weight:9,500lbs

  • Wheels & Tires:

    • Wheel Diameter:18.0 x 8.0in.
    • Wheel Diameter (rear):18.0 x 8.0in.
    • Tire:LT265/70R18E
    • Tire (rear):LT265/70R18E

  • Performance:

    • Power to Weight Ratio:16.53lbs/hp
    • Turning Circle:50.5ft.
    • Max Payload:2,959lbs
    • Towing Capacity:9,300lbs
    • Max Towing Capacity:15,600lbs

  • Fuel Tank:

    • Fuel Tank Volume:36gallon

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Listed on March 27, 2026 (14 days ago)
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This Used 2011 GMC Sierra 2500HD Denali is available for drivers in Idaho Falls, Blackfoot, Shelley ...