2021 GMC Sierra 1500 AT4

  • Used
  • Diesel
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    The overview

    Exterior Color
    Satin Steel Metallic
    Interior Color
    JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHE
    Odometer
    99,500 miles
    Fuel Economy
    14/19 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4WD
    Engine
    Engine: Duramax 3.0L, Turbo-Diesel, Inline 6 Cylinder
    VIN
    3GTU9EET7MG424056
    Stock Number
    26G1173A

      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
      Vehicle Details
      Discover capability and comfort in this pre-owned 2021 GMC Sierra 1500 AT4, now available in Arkadelphia, AR. Built for drivers who want premium features and rugged performance, this 4WD pickup is powered by a 6-cylinder, 3.0L Diesel engine that delivers confident towing and smooth everyday driving. The AT4 trim adds a bold look and serious off-road readiness, making it a great choice for work, weekend adventures, and everything in between. Inside, you'll enjoy Automatic Climate Control, a Heated Steering Wheel, and Hands Free Bluetooth for added convenience on every trip. The Back-Up Camera makes parking and hitching easier, while the Off-Road Package enhances trail-ready confidence when the pavement ends. GMC's refined cabin design gives this GMC Sierra 1500 a comfortable feel with practical truck utility. If you're searching for a pre-owned GMC Sierra 1500 AT4 in Arkadelphia AR, this one deserves a close look. With strong diesel performance, 4WD traction, and popular technology features, it offers the versatility today's truck shoppers want. Its aggressive styling, versatile cargo bed, and premium ride quality make it a smart option for families, contractors, and outdoor enthusiasts alike in South Arkansas. Contact us today to learn more or schedule your test drive and see why this GMC stands out on city streets and trails alike.

      Equipment
      Our dealership has already run the CARFAX report and it is clean. A clean CARFAX is a great asset for resale value in the future. Start this 1/2 ton pickup from inside with remote start. This 2021 GMC Sierra 1500 offers Apple CarPlay for seamless connectivity. The steering wheel audio controls on this model keep the volume and station within easy reach. See what's behind you with the back up camera on this unit. This vehicle is pure luxury with a heated steering wheel. Bluetooth technology is built into this GMC Sierra, keeping your hands on the steering wheel and your focus on the road. This unit comes equipped with Android Auto for seamless smartphone integration on the road. The leather seats in the vehicle are a must for buyers looking for comfort, durability, and style. This unit keeps you comfortable with Auto Climate. An off-road package is equipped on the GMC Sierra.

      Packages
      Preferred Equipment Group 4SB: HD Rear Vision Camera; LED Cargo Area Lighting; Remote Vehicle Starter System; 2 USB Ports (1st Row); Hill Descent Control; Electric Rear-Window Defogger; Floor-Mounted Center Console; Theft Deterrent System (unauthorized Entry); Body-Color Surround Grille; 170 Amp Alternator; Auxiliary External Transmission Oil Cooler; Heavy-Duty Air Filter; Skid Plates; Compass; 4.2" Diagonal Color Display Driver Info Center; Electrical Lock Control Steering Column; Trailering Package; 120-Volt Instrument Panel Power Outlet; Heated Driver and Front Outboard Passenger Seating; Off-Road Suspension; Front Premium Floor Liners with Removable Carpet Insert; Steering Wheel Audio Controls; GMC Connected Access Capable; Color-Keyed Carpeting Floor Covering; OnStar and GMC Connected Services Capable; Power Front Passenger Windows with Express Up/down; 2-Speed Transfer Case; Deep-Tinted Glass; Spray-On Pickup Bed Liner with AT4 Logo; Premium GMC Infotainment System Radio with Multi-Touch; Power Rear Windows with Express Down; Red Recovery Hooks; Integrated Trailer Brake Controller; Power Front Windows with Driver Express Up/down; Ventilated Driver and

      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.…
      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
      Tax, title, license and dealer fees (unless itemized above) are extra. Not available with special finance or lease offers. Prices subject to change. Pricing Dependent Upon Available Manufacturer Incentives. See dealer for complete details. Prices do not include S&H fee of $129, any additional dealer added equipment, tax, title and/or license fees, destination charges and any finance charges. All prices, specifications, rebates and availability subject to change, and/or expiration, without notice. Southwest discounted prices are available on in stock vehicles only and to all customers. Every reasonable effort has been made to ensure the accuracy of the information contained on this site; however, absolute accuracy cannot be guaranteed. This entire site, and all information and exhibits 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. MSRP is the Manufacturer's Suggested Retail Price of a vehicle. Images shown, including vehicle color, trim, options and other specifications are subject to availability, current incentive offerings, current pricing and customer's credit worthiness.