2026 GMC Yukon XL AT4 Ultimate
Specifications, live market data, colors, and factory features.
590 for sale right now
$83,884 – $132,979
Specifications
Performance
- Engine
- 6.2L V8 L87
- Horsepower
- 420 hp
- Torque
- 460 lb-ft
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
Fuel & Efficiency
- Fuel
- Gasoline
- MPG City
- 14 mpg
- MPG Highway
- 18 mpg
- MPG Combined
- 16 mpg
- Fuel Tank
- 28 gal
Dimensions
- Length
- 225.2″
- Width
- 81″
- Height
- 76.5″
- Wheelbase
- 134″
- Curb Weight
- 6,107 lbs
- Cargo Volume
- 144.5 cu ft
Body & Practicality
- Body Style
- SUV
- Doors
- 4
- Seating
- 7
- Base MSRP
- $100,900
Colors
Factory colors on 2026 GMC Yukon XL AT4 Ultimates for sale now.
Exterior
- Onyx Black(black)113
- Summit White(white)79
- Sterling Metallic(silver)41
- Sterling(silver)21
- Midnight Pine(gray)17
- Titanium Rush Metallic(gray)11
- Black7
- White6
- Gray6
- Volcanic Red(red)5
Interior
- Obsidian Rush w/Red Accents(black)160
- Obsidian Rush(black)120
- Obsidian Rush With Red Accents(black)18
- Obsidian Rush with Red Accents(black)3
- Red(black)3
- Black (Obsidian Rush With Red Accents)(black)2
- Obsidian Rush W/Red Accents(black)1
- Eas1
- Obsidian Rush With Red Accents, Full Grain Leather Seats(black)1
- Obsidian Rush with Red Accents, Full grain leather seats(black)1
Live Market Data
Computed from active 2026 GMC Yukon XL AT4 Ultimate listings nationwide, updated continuously.
Price Distribution
Price vs. Mileage
Latest AT4 Ultimate Listings
The newest 2026 GMC Yukon XL AT4 Ultimates on the market.

New 2026 GMC Yukon XL
$103,060
Est. $1,482/mo*

New 2026 GMC Yukon XL
$97,080
Est. $1,397/mo*
Golling Buick GMC

Used 2026 GMC Yukon XL
$86,407
Est. $1,245/mo*
Leman's Chevy City

New 2026 GMC Yukon XL
$98,090
Est. $1,411/mo*
Devan Lowe Buick Cadillac GMC

New 2026 GMC Yukon XL
$101,422
Est. $1,459/mo*

New 2026 GMC Yukon XL
$105,102
Est. $1,511/mo*

New 2026 GMC Yukon XL
$96,312
Est. $1,386/mo*

New 2026 GMC Yukon XL
$104,312
Est. $1,500/mo*
What's Yours
Worth?
The median 2026 GMC Yukon XL AT4 Ultimate lists for $100,497 today.
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Factory Features
Standard equipment from the window sticker, reviewed for accuracy.
Comfort & Convenience
- Hands-free power liftgate
- Power-retractable assist steps
- Power panoramic sunroof
- Tri-zone climate control with 8" rear climate touchscreen
- Power-sliding center console
- Heated steering wheel
- Wireless charging
- 8 years OnStar Basics
Driver Assistance
- Super Cruise hands-free driver assistance technology with 3-year OnStar One plan (includes Super Cruise)
- Forward Collision Alert
- IntelliBeam auto high-beam headlamps
- HD Surround Vision
- Rear camera mirror
Entertainment
- 16.8" diagonal Premium GMC Infotainment System with Google built-in compatibility
- Wireless Apple CarPlay and Wireless Android Auto (compatible phones)
- Bose 18-speaker Performance Series audio system
- SiriusXM with trial subscription
- Rear Seat Media System (dual rear entertainment screens)
Exterior
- High approach angle front fascia (AT4 standard; included on AT4 Ultimate)
- Red recovery hooks
- LED headlamps and taillamps with animated lighting
- LED daytime running lamps
- LED front fog lamps
- Power-retractable assist steps (power assist steps)
- Hands-free power liftgate (AutoSense)
- Power panoramic sunroof (dual-pane with power sunshade)
- AT4 Ultimate exterior badging/styling
Interior
- Obsidian Rush full-grain leather seating surfaces with AT4 Ultimate badging/red accents
- 16-way power front seats with massage
- Heated and ventilated front bucket power seats
- Second-row heated power-release bucket seats
- Third-row 60/40 split-folding bench with power fold
- Heated steering wheel
- Power-sliding center console
- 15" multicolor head-up display
- 11" diagonal Driver Information Center
- 8" rear touchscreen climate control
- Rear camera mirror
- Interior camera (requires future software update)
- Key card
- Wireless smartphone charging
Mechanical & Performance
- 6.2L EcoTec3 V8 engine (standard on AT4 Ultimate)
- 10-speed automatic transmission
- 4WD (Yukon XL AT4 Ultimate)
- Magnetic Ride Control
- Four-corner Air Ride Adaptive Suspension
- Electronic limited-slip differential
- StabiliTrak electronic stability control
- Front skid plate
- Max Trailering Package
- Dual exhaust with dual tips
- 20" Talos Bronze Metallic wheels
- All-terrain blackwall tires
Safety & Security
- Enhanced Automatic Emergency Braking
- Front Pedestrian and Bicyclist Braking
- Rear Cross Traffic Braking
- Reverse Automatic Braking
- Rear Pedestrian Alert
- Advanced Security Package
- HD Surround Vision with recordings capability
Warranty
- 3-year/36,000-mile bumper-to-bumper limited warranty (whichever comes first)
- 5-year/60,000-mile powertrain limited warranty, Roadside Assistance, and Courtesy Transportation (whichever comes first)
- First maintenance visit included