Auto Web Expo

4041 W Plano Parkway, Plano, TX 75093
4.6
4.6 out of 5 stars

Used 2021 GMC Sierra 2500HD Denali

22,201 miles
For Sale:$65,999
Estimated payment:$1,497/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $55,600 and $65,200, while the current price is $65,999.$55,600 - $65,200$65,999
  • Priced at $65,999, this vehicle is $799 above the high end of its fair market value of $65,200.

  • The current fair market price range is between $55,600 to $65,200.

  • It has 22,201 miles, which is 61,999 (74%) below the median mileage of 84,200.

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
  • Condition
    Used
  • Mileage
    22,201miles
  • Aggregate Ratings
    4
    4 out of 5 stars
  • Generation
    4(2020 - 2026)
  • Trim
    Denali
  • Drivetrain
    4X4
  • Transmission
    10-Speed Shiftable Automatic
  • Exterior Color
    Summit White (White)Factory Paint Code:GAZ
  • Interior Color
    Jet Black (Black)Factory Paint Code:H2X
  • Size Segment
    Heavy Duty
  • Doors
    4
  • Max Seating
    5
  • Max Towing Capacity
    14,500lbs.
  • Ground Clearance
    10.1inch
  • Final Assembly Point
    Flint, Michigan
  • VIN
    1GT49REY8MF259817

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

Message from the seller

6.6L Duramax Turbo Diesel V8 ($9,750 Value)
Denali Ultimate Package ($2,270)
Technology Package with Heads-Up Display
Gooseneck 5th Wheel Prep Package ($545)
Total Added Options Value $12,865

Premium luxury meets heavy duty capability in this 2021 GMC Sierra 2500HD Denali Crew Cab 4WD, built for serious towing, commanding presence, and upscale comfort across Plano, Dallas, Frisco, and the entire DFW metroplex.

VIN: 1GT49REY8MF259817

Finished in clean and timeless Summit White, this Denali stands at the top of the Sierra lineup. Under the hood, the legendary 6.6L Duramax Turbo Diesel V8 paired with a 10-speed automatic transmission delivers massive torque and effortless towing power, while four wheel drive ensures confidence in any condition.

This truck is loaded with premium packages, including the Denali Ultimate Package with a power sunroof and elevated luxury features, along with the Technology Package featuring a heads-up display and advanced camera systems, including a bed view camera for added visibility when hauling or towing.

Inside, the Denali interior delivers a first-class experience with heated and ventilated front seats, heated rear seats, memory seating, premium sound system, multi-zone climate control, and a refined cabin design. Every detail is built for comfort whether you are on the job or on a long drive.

Exterior features include running boards, tow hooks, heated power-folding mirrors with turn signals, bed liner, fog lamps, and signature Denali styling that stands out on every street in DFW.

Advanced safety technology includes blind spot monitoring, lane departure warning, cross traffic alert, front collision warning and mitigation, rear parking sensors, and stability control, giving you added confidence behind the wheel.

This Sierra is also equipped with serious towing capability thanks to the Gooseneck and 5th Wheel Prep Package and integrated trailering technology, making it ready for work immediately.

With a Total MSRP of $80,060, this Denali delivers premium value with high-end features and diesel performance already built in.

At Auto Web Expo, we offer flexible financing options for all credit types, including good credit, bad credit, and first-time buyers, with competitive rates and fast approvals.

If you are searching for a luxury heavy duty diesel truck in Plano, McKinney, Allen, Richardson, Garland, Carrollton, or Fort Worth, this Sierra 2500HD Denali is the one to own.

High demand trucks like this do not stay available long. Reach out today to secure this Denali before it is gone.

Every effort is made to list equipment and options as accurately as possible. Please call to verify pricing and availability. We proudly serve Plano, TX and nearby DFW cities including Dallas, Frisco, McKinney, Richardson, Garland, Allen, Wylie, Murphy, Addison, Rockwall, Rowlett, Carrollton, Fort Worth, Prosper, The Colony, Highland Park, Hebron, and Farmers Branch just to name a few, as well as ship anywhere in the 48 states.

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Listed on March 25, 2026 (16 days ago)
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Cruz™ Disclaimer: Vehicle details shown on this site are provided by sellers or third parties. Cruz™ does not independently verify this information and is not liable for its accuracy. All services and content are offered without any warranty, either expressed or implied. Learn more here.MPG & Max Range: Fuel economy estimates are provided by the EPA and are intended for comparison purposes only. Your actual mileage will vary depending on driving conditions, vehicle condition, and other factors.Price: Prices shown may not include taxes, fees, or other charges. Prices and availability are subject to change without notice. Contact the seller for the most current pricing information.Options & Features: Installed options may not be shown. Contact the seller for more information about available features and options.

This Used 2021 GMC Sierra 2500HD Denali is available for drivers in Dallas, Plano, Irving, Garland, Mckinney, Frisco, Denton, Carrollton ...