2026 GMC Yukon XL AT4 Ultimate

Specifications, live market data, colors, and factory features.

483 for sale right now

$10,000 – $121,495

View Listings

Specifications

420

Horsepower

460

lb-ft Torque

MPG Combined

Seats

$101k

Base MSRP

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)98
Summit White(white)67
Midnight Pine(gray)41
Sterling Metallic(silver)31
Sterling(silver)22
Titanium Rush Metallic(silver)14
Black12
Gray(silver)9
White7
Volcanic Red Tintcoat(red)6

Interior

Obsidian Rush(black)134
Obsidian Rush w/Red Accents(brown)112
Obsidian Rush With Red Accents(black)23
Obsidian Rush with Red Accents(black)13
Red(black)7
Obsidian Rush with Red Accents, Full Grain leather(brown)4
Obsidian Rush W/Red Accents(black)2
Obsidian Rush With Red Accents Full Grain Leather Seating Surfac(black)2
Obsidian Rush With Red Accents Full Grain Leather(black)2
Obsidian Rush With Red Ac(black)2

Live Market Data

Computed from active 2026 GMC Yukon XL AT4 Ultimate listings nationwide, updated continuously.

For sale now483

Median price$102,787

Average price$102,792

Price range$10,000 – $121,495

Median vs. MSRP+$1,887

Avg. days on market66

Avg. mileage162 mi

New / Used467 / 16

Price Distribution

Price vs. Mileage

Latest AT4 Ultimate Listings

The newest 2026 GMC Yukon XL AT4 Ultimates on the market.

View all 483 →

New 2026 GMC Yukon XL

AT4 Ultimate

$104,589

5 mi

Est. $1,504/mo*

1 day on market

White

Napleton Chevrolet Buick GMC Beaver Dam

Beaver Dam, WI

New 2026 GMC Yukon XL

AT4 Ultimate

$106,462

0 mi

Est. $1,531/mo*

1 day on market

GrayBlack

Huston GMC

Lake Wales, FL

New 2026 GMC Yukon XL

AT4 Ultimate

$103,695

8 mi

Est. $1,491/mo*

1 day on market

WhiteBlack

Glen Sain Chevrolet Buick GMC

Paragould, AR

New 2026 GMC Yukon XL

AT4 Ultimate

$104,860

3 mi

Est. $1,508/mo*

1 day on market

BlackBlack

Larry Spacc GMC

Dunkirk, NY

New 2026 GMC Yukon XL

AT4 Ultimate

$101,899

MSRP: $104,1902.2% off

5 mi

Est. $1,466/mo*

1 day on market

BlackBlack

Hutchinson Buick GMC Cadillac

Macon, GA

New 2026 GMC Yukon XL

AT4 Ultimate

$101,345

MSRP: $104,1902.7% off

1 mi

Est. $1,458/mo*

1 day on market

SilverBlack

Davis Motors

Litchfield, MN

New 2026 GMC Yukon XL

AT4 Ultimate

$104,770

2 mi

Est. $1,507/mo*

1 day on market

BlackRed

GMC of Vacaville

Vacaville, CA

New 2026 GMC Yukon XL

AT4 Ultimate

$105,684

0 mi

Est. $1,520/mo*

1 day on market

WhiteBlack

Markquart Motors

Chippewa Falls, WI

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The median 2026 GMC Yukon XL AT4 Ultimate lists for $102,787 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