2020 GMC Sierra 1500 AT4

  • Used
$36,995Price
$38,243Delray Price
Delray Buick GMC
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    The overview

    Exterior Color
    Onyx Black
    Interior Color
    JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHE
    Odometer
    79,600 miles
    Fuel Economy
    15/19 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4x4
    Engine
    Engine: 6.2L, EcoTec3 V-8, DI, Dynamic Fuel Mgt, V V T
    Bed Length
    Short Box
    VIN
    3GTP9EEL7LG304320
    Stock Number
    304320U

      A closer look at what’s included

      Base model features & specs only

      The full specifications

      • Max seating capacity: 5
      • Fuel System: Direct Injection
      • Fuel tank capacity: 24 gal
      • Horsepower: 420

      Notes from the dealer

      This 2020 GMC Sierra 1500 AT4 delivers commanding presence and capable performance in a sophisticated package. The striking black exterior is complemented by dark walnut and dark ash gray leather appointments, while the powerful EcoTec3 6.2L V8 engine paired with a 10-speed automatic transmission and 4WD provides the power and control you need. With 79,707 miles, this Crew Cab Short Box offers an excellent balance of capability and value.

      - TECHNOLOGY PACKAGE with GMC Infotainment System and Navigation
      - Premium Bose 7-Speaker Sound System with SiriusXM 360L
      - Apple CarPlay and Android Auto smartphone integration
      - Heated and ventilated leather front seats with 10-way power adjustments
      - Blind Spot Detection and Lane Keep Assist with Lane Departure Warning
      - 20" machined aluminum wheels with carbon grey metallic accents
      - Multicolor 15" head-up display and rear camera mirror
      - Adaptive Cruise Control with Automatic Emergency Braking
      - HD Surround Vision with trailer view camera provisions
      - Wireless charging and multiple USB ports throughout

      The AT4 package brings genuine off-road capability with an off-road suspension, heavy-duty rear locking differential, and red recovery hooks, while the Driver Alert Package II and Safety Package ensure you're equipped with modern protection features. Built-in trailering technology, including integrated trailer brake control and hitch guidance, makes towing intuitive and safe. This Sierra is ready to handle weekend adventures or daily commutes with equal confidence.

      Visit us today to experience the commanding control and refined luxury this Sierra 1500 AT4 offers.

      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.…

      Advertised price excludes tax, title, license, registration, and other government fees. Price excludes any optional products, services, or accessories. At Garber, we believe our customers deserve a straightforward, transparent buying experience. That means the price you see is the price you can expect, with no hidden fees or surprise charges at the time of purchase. We’re committed to providing a simpler, more honest way to do business. Although every reasonable effort has been made to ensure the accuracy of the information presented on this site, errors, omissions, and other inaccuracies may occur. There can be a lag time between the sale of a vehicle and the update of inventory on our website. Please verify all vehicle information and pricing with the dealership directly.

      3GTP9EEL7LG304320