2021 GMC Sierra 1500 Denali

  • Used
  • Diesel
$34,995Sale Price
$35,345Nelson Price
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    The overview

    Exterior Color
    Ebony Twilight Metallic
    Interior Color
    JET BLACK, FORGE PERFORATED LEATHER SEAT TRIM
    Odometer
    92,614 miles
    Fuel Economy
    15/20 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4x4
    Engine
    Engine: Duramax 3.0L, Turbo-Diesel, Inline 6 Cylinder
    VIN
    3GTU9FET2MG352334
    Stock Number
    3T222A
    • AutoCheck

    A closer look at what’s included

    Base model features & specs only
    • Max seating capacity: 5
    • Fuel System: Direct Injection
    • Fuel tank capacity: 24 gal
    • Horsepower: 277
    This 2021 GMC Sierra 1500 Denali combines rugged capability with premium refinement in a striking black exterior paired with jet black leather. The turbocharged 3.0L diesel engine delivers impressive efficiency, achieving EPA-estimated 22 city / 26 highway MPG, with actual mileage varying. With 92,614 miles, this crew cab short box 4WD truck offers proven reliability and proven performance ready for work or weekend adventure.- Turbocharged 3.0L I-6 Diesel Engine with Engine Block Heater- Denali Ultimate Package with Signature Grille and Premium Styling- 10-Speed Automatic Transmission with ProGrade Trailering System- Premium Bose 7-Speaker Sound System with SiriusXM 360L and Navigation- Heated and Ventilated Front Seats with 10-Way Power Adjustment and Lumbar Support- HD Surround Vision with Rear Camera Mirror and Bed View Camera- Adaptive Cruise Control with Lane Keep Assist and Automatic Emergency Braking- Multicolor 15 Head-Up Display with Wireless Charging- GMC MultiPro Power Steps and Spray-On Bed Liner with Denali Logo- Sunroof with Power Sliding Rear Window and Ultrasonic Park AssistThe Denali trim elevates this Sierra with genuine wood accents, power sunroof, heated door mirrors, and a comprehensive suite of driver assistance technologies designed for confidence on any road. Whether you're commuting through the city or heading off the beaten path, this truck's combination of efficiency, capability, and luxury features makes it an exceptional choice. Visit us today to experience the commanding presence and refined comfort of this well-equipped Sierra Denali.

    Peace of mind

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    Vehicle history report

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    A name you can trust

    Nelson GMC is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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    KBB.com Consumer Reviews

    Kelley Blue Book Logo4.0out of 5 overall
    • 4.0

      Depreciation of 50%

      by Manny A on 10/28/2026 10:06:36 AM

      This is a amazing truck.. Comfortable lots of sensors Etc…. My truck has 30000 miles I when to trade in they offer $46000 I paid $86000 the depreciation is incredible I don’t buy new truck never again.…
    • 5.0

      2021 GMC SLT 4WD SIERRA, Great Truck

      by Ransom1 on 10/15/2026 4:18:42 PM

      This is my 8th truck. This is hands down the very best truck I’ve ever owned. Not only is it the best looking truck on the road I have never had it in the shop except for oil changes and scheduled maintenance. The silver does not show dirt or grime.…
    • 5.0

      Great 4 cylinder truck

      by Steve on 9/23/2026 2:01:15 AM

      I have only pulled a trailer one time and still got 18 mpg down doing 80 down the interstate. Otherwise this vehicle is used for commuting or recreating. I typically get 22-24 mpg driving MT highways to the mountains. The turbo has some spunk for getting up to speed and the five years I've had my truck no complaints.…
    All reviews on KBB.com
    Based on 71 consumer ratings for 2019–2026 models. Privacy
      Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

      1Dealer Discount applied to everyone
      Although every reasonable effort has been made to ensure the accuracy of the information contained on this site, absolute accuracy cannot be guaranteed. This site, and all information and materials appearing on it, are presented to the user "as is" without warranty of any kind, either express or implied. All vehicles are subject to prior sale. Price does not include $125 Documentation Fee, any state sales tax, or license fees. Payments are estimates only and are subject to credit approval. Vehicles shown at different locations are not currently in our inventory (Not in Stock) but can be made available to you at our location within a reasonable date from the time of your request, not to exceed one week. Please contact us to verify price, options, features, mileage and availability prior to purchase.

      MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the Fuel Economy portion of the EPA's website for details, including a MPG recalculation tool).

      The features and options listed are for the 2021 GMC Sierra 1500 and may not apply to this specific vehicle.

      The prices shown above may vary from region to region, as will incentives, and are subject to change.