Here is a compelling advertisement for the 2021 GMC Yukon XL SLT:
This impressive 2021 GMC Yukon XL SLT is ready to elevate your driving experience. With its powerful EcoTec3 5.3L V8 engine and 10-speed automatic transmission, this Yukon XL delivers exceptional performance and capability.
- SEATS, SECOND ROW BUCKET, POWER RELEASE
- Onyx Black exterior with Black interior
- SLT LUXURY PLUS PACKAGE - Includes SLT Luxury Package, Max Trailering Package, and Panoramic power sunroof
Inside, you'll find a wealth of premium features that create an exceptional driving environment:
- Bose 9-Speaker Stereo Audio System
- Hands-Free Power Programmable Rear Liftgate
- Heated Automatic Steering Wheel
- Premium Smooth Ride Suspension
- Auto High-beam Headlights
- Trailer Side Blind Zone Alert
- Apple CarPlay/Android Auto
- Automatic Emergency Braking
- Lane Keep Assist with Lane Departure Warning
- Rear Cross Traffic Alert
- Heated and Ventilated Front Seats
- Heated 2nd Row Outboard Seats
- Dual-Pane Panoramic Power Sunroof
With its impressive combination of power, technology, and premium comfort, this 2021 GMC Yukon XL SLT is ready to elevate your driving experience. Schedule a test drive today and discover the difference.
Used 2021 GMCYukon XL SLT
- Exterior Color
- Onyx Black
- Interior Color
- (1st and 2nd rows only.)
- Odometer
- 97,065 miles
- Fuel Economy
- 15/19 MPG City/Hwy
- Transmission
- Automatic
- Drivetrain
- 4WD
- Engine
- Engine: 5.3L, EcoTec3 V-8, DI, Dynamic Fuel Mgt, V V T
- VIN
- 1GKS2GKDXMR143457
- Stock Number
- 26T459A
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
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… - 5.0
Best Vehicle I've Owned
By PC Burger | on 4/15/2026 8:22:37 PM
Bought a White Diamond color Denali which has exceeded my expectations. Premium materials throughout, especially seats. The mileage has also exceeded my expectations, have experienced a mileage highway best of 25 mpg, normal highway is 21-22 mpg. My combined is 18 mpg, and I burn regular fuel. Premium is 'recommended', not required.......and I burn that when I tow my boat or jet skiis. Warranty is not affected by this. Ride and Handling is supreme. Safety equipment makes the drivability a super experience.…
All reviews on KBB.com
Based on 20 consumer ratings for 2021–2026 models. | Privacy
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