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This 2021 GMC Yukon XL AT4 in Black combines capable performance with refined comfort for families and professionals who demand both utility and quality craftsmanship. Built on the full-size SUV platform, this three-row vehicle is designed to handle your daily responsibilities while delivering the space and features you expect from the AT4 line.
- Second Row Power Release Bucket Seats
- Dual-Pane Power Panoramic Sunroof with Express-Open and Close
- Power-Sliding Center Console Floor with Secure Storage
- 10.2 Diagonal GMC Infotainment System with Navigation
- Rear Seat Media System
- Bose 9-Speaker Stereo Audio System
- SiriusXM with 360L and HD Radio
- Heated and Ventilated Driver and Front Passenger Seats
- Heated Second Row Outboard Position Seats
- 12-Way Power Seat Adjusters with Memory
- Power Tilt and Telescopic Steering Column
- 3rd Row 60/40 Power-Folding Split-Bench Seat
- Hands-Free Power Programmable Rear Liftgate
- Hill Descent Control
- Heated Automatic Steering Wheel
The EcoTec3 5.3L V8 engine paired with the 10-Speed Automatic transmission with Overdrive provides the power needed for towing and hauling while delivering 15 city and 19 highway mpg. The 4WD system with Magnetic Ride Control Suspension ensures confident handling in varied driving conditions. You'll appreciate the advanced suspension technology that adapts to road surfaces, maintaining composure whether you're navigating highways or challenging terrain.
Safety and convenience features are comprehensive throughout this Yukon XL. Automatic Emergency Braking, Forward Pedestrian Braking, Lane Keep Assist with Lane Departure Warning, and Rear Cross Traffic Alert work together to enhance your awareness on the road. Apple CarPlay and Android Auto integration keeps you connected, while the universal home remote adds everyday convenience.
The AT4 designation reflects this model's all-terrain capability and distinctive styling. Red horizontal-mounted recovery hooks, the front high-approach angle fascia, and illuminated GMC front emblem underscore its rugged character. Twenty-inch machined aluminum wheels, black roof-mounted luggage rack side rails, and body-color bumpers complete the purposeful appearance.
Inside, perforated leather seating surfaces and the power-sliding console provide an upscale environment. With three rows of seating and flexible configurations, this Yukon XL accommodates up to eight passengers, making it ideal for families or commercial use. The heated and cooled seating, automatic temperature control with rear air conditioning, and power rear window defroster ensure comfort for all occupants year-round.
This vehicle is ready for immediate delivery and inspection. We invite you to schedule a test drive to experience the commanding presence and refined performance this Yukon XL AT4 offers.
CALL NOW
903-500-4343
Used 2021 GMCYukon XL AT4
- Exterior Color
- Onyx Black
- Interior Color
- (1st and 2nd rows only.)
- Odometer
- 102,580 miles
- Fuel Economy
- 15/19 MPG City/Hwy
- Transmission
- 10 speed automatic
- Drivetrain
- 4WD
- Engine
- V-8 cyl
- VIN
- 1GKS2HKD5MR432378
- Stock Number
- T432378
GMC
Yukon XL
Included Packages & Accessories
Detailed Specifications
- Max seating capacity: 7
- Fuel System: Direct Injection
- Fuel tank capacity: 28 gal
- Horsepower: - TBD -
Dealer Notes
KBB.com Consumer Reviews

Overall3.6Out of 5
- 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…
All reviews on KBB.com
Based on 21 consumer ratings for 2021–2026 models. | Privacy
- Orr Price
- $44,952
- We're here to help: (903) 218-4767
- We're here to help: (903) 218-4767




