2021 GMC Sierra 1500 AT4

  • Used
  • Diesel
KBB Retail
$32,440
Savings
-$2,443
Price
$29,997
Doc Fee
$599
Price After Fees
$30,596
Dealer-Added Optional Accessories 
$1,528
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    The overview

    Exterior Color
    Cayenne Red Tintcoat
    Interior Color
    JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHE
    Odometer
    106,886 miles
    Fuel Economy
    14/19 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4x4
    Engine
    Engine: Duramax 3.0L, Turbo-Diesel, Inline 6 Cylinder
    VIN
    3GTU9EET6MG385864
    Stock Number
    P23560

      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
      Clean CARFAX. AT4 4D Crew Cab 3.0L I6 4WD AutomaticRecent Arrival!

      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