2021 GMC Sierra 1500 SLT

  • Used
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    The overview

    Exterior Color
    Onyx Black
    Interior Color
    JET BLACK, PERFORATED LEATHER-APPOINTED FRONT OUTB
    Odometer
    170,145 miles
    Fuel Economy
    14/20 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4x4
    Engine
    Engine: 5.3L, EcoTec3 V-8, DI, Dynamic Fuel Mgt, V V T
    VIN
    3GTU9DED3MG436532
    Stock Number
    G66424A
    • Show Me the CARFAX Badge

    A closer look at what’s included

    Base model features & specs only
    • Max seating capacity: 6
    • Fuel System: Direct Injection
    • Fuel tank capacity: 24 gal
    • Horsepower: 355
    10-Speed Automatic, 4WD, Jet Black Leather. Recent Arrival! Clean CARFAX.

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    Peace of mind

    vehicle history report

    Vehicle history report

    • Title information
    • Odometer readings
    • Accident data (if applicable)
    • Service history
    • Vehicle usage
    • Recall information (if applicable)
    • Warranty status
    Free CarFax report

    Optional add-on protection

    • GAP Protection
    • Lifetime Powertrain
    • Tires and Wheels
    • Paint Protection

    A name you can trust

    Phil Wright Autoplex 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.…