2021 GMC Yukon XL AT4

  • Used
$44,995Sale Price
$45,345Nelson Price
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    The overview

    Exterior Color
    White Frost Tricoat
    Interior Color
    (1st and 2nd rows only.)
    Odometer
    97,759 miles
    Fuel Economy
    15/19 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4x4
    Engine
    Engine: 5.3L, EcoTec3 V-8, DI, Dynamic Fuel Mgt, V V T
    VIN
    1GKS2HKDXMR163102
    Stock Number
    3T124B
    • AutoCheck
    • Max seating capacity: 7
    • Fuel System: Direct Injection
    • Fuel tank capacity: 28 gal
    • Horsepower: - TBD -
    This 2021 GMC Yukon XL AT4 represents a full-size SUV built to handle both daily driving and serious capability demands.- Second Row Bucket Seats with Power Release- AT4 Premium Plus Package- Panoramic Power Sunroof- Power-Retractable Assist Steps with Perimeter Lighting- Max Trailering Package- Rear Media and Navigation Package- Trailer Tire Pressure Monitor Sensors- 15-Inch Diagonal Multi-Color Head-Up Display- Bose 9-Speaker Stereo Audio System- SiriusXM with 360L Satellite Radio- Heated and Ventilated Front Seats- Heated Rear Seats- Power Liftgate with Hands-Free Operation- Lane Keep Assist with Lane Departure Warning- Rear Cross Traffic AlertThe EcoTec3 5.3L V8 engine paired with a 10-speed automatic transmission delivers the power necessary for towing and hauling while achieving 15 MPG city and 19 MPG highway. The 4WD system with Active Response technology adapts to road conditions, providing enhanced traction and stability whether you're navigating city streets or venturing off the beaten path.Comfort and convenience are prioritized throughout the cabin. The second row bucket seats offer flexibility in seating arrangements, while power-retractable assist steps make entry and exit effortless for all passengers. A dual-pane panoramic sunroof floods the interior with natural light, and the climate control system includes front dual-zone air conditioning, rear air conditioning, and heated and ventilated front seats for year-round comfort.Technology seamlessly integrates into your driving experience. Apple CarPlay and Android Auto compatibility keep you connected, while the in-vehicle trailering app provides real-time monitoring of trailer systems. The HD surround vision and automatic high-beam headlights enhance visibility in various driving conditions. Lane keep assist, forward collision alert, and rear cross traffic alert work together to help keep you and your passengers protected on the road.The exterior reflects the AT4's rugged character with its white frost tricoat finish, body-color bumpers with a front high-approach angle fascia, red horizontal recovery hooks, and polished exhaust tip. The 20-inch machined aluminum wheels add visual appeal while the all-terrain capabilities ensure performance across diverse terrains.This Yukon XL AT4 combines spacious three-row seating, premium audio and comfort features, and genuine off-road capability in a vehicle designed for families who refuse to compromise on capability or luxury. Contact us today to schedule a test drive and experience what this full-size SUV can offer your lifestyle.

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    KBB.com Consumer Reviews

    Kelley Blue Book Logo3.6out of 5 overall
    • 5.0

      No Problems Yet

      by CoachTroy72 on 6/17/2026 11:26:04 PM

      I got my 26 Yukon Denali SUV with 3 miles on it. Got to 308 and had engine knock. Took it to Classic GMC, they had it a week. Flushed out the engine debris, no knocking. Also they changed the oil. Not from 0-20w to 40w, but just changed it with the same OEM AC Delco standard Dexos, no more knocking. Now at 1238 miles havent had any issues. Actually getting 22.3 MPG! For a truck that is 17 city 20 Hwy..
    • 5.0

      Love everything about my Elevation, except…

      by Carol Ann on 6/3/2026 5:57:12 PM

      This truck has excellent get up and go power, great traction control and steering, with an impressive turning radius, love the large dash display screen, sleek design inside and out, and the suspension makes for comfortable long highway and city driving. Surrounded in cool luxury, state of the art sound system while feeling like a VIP in my classy black FBI looking whip.
    • 5.0

      Great condition

      by Tammy on 4/22/2026 4:05:09 PM

      2 years left in warranty Great condition Beautiful Runs great Sterling metallic/teak light shale Diesel 3L
    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 Yukon XL 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.