2026 GMC Yukon XL AT4
Specifications, live market data, colors, and factory features.
634 for sale right now
$68,068 – $118,491
Specifications
Performance
- Engine
- 5.3L V8 L84
- Horsepower
- 355 hp
- Torque
- 383 lb-ft
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
Fuel & Efficiency
- Fuel
- Gasoline
- MPG City
- 14 mpg
- MPG Highway
- 19 mpg
- MPG Combined
- 16 mpg
- Fuel Tank
- 28 gal
Dimensions
- Length
- 225.2″
- Width
- 81″
- Height
- 76.5″
- Wheelbase
- 134″
- Curb Weight
- 5,966 lbs
- Cargo Volume
- 144.5 cu ft
Body & Practicality
- Body Style
- SUV
- Doors
- 4
- Seating
- 8
- Base MSRP
- $79,600
Colors
Factory colors on 2026 GMC Yukon XL AT4s for sale now.
Exterior
- Summit White(white)85
- Onyx Black(black)78
- Sterling Metallic(silver)25
- Sterling(silver)21
- Midnight Pine(gray)17
- Volcanic Red(red)10
- Gray(silver)10
- Titanium Rush Metallic(gray)8
- Volcanic Red Tintcoat(red)6
- White4
Interior
- Storm(brown)124
- Forest Storm w/Mahogany Accents(brown)109
- Forest Storm With Mahogany Accents(gray)13
- Forest Storm with Mahogany Accents(gray)5
- Forest Storm With Mahogany Accents Perforated Leat(brown)5
- Forest Storm With Mahogan(brown)4
- Forest Storm With Mahogany Accents, Perforated Leather Seating S(brown)1
- Forest Storm With Mahogany Accents Perforated Leather Seating Su(brown)1
- FOREST STORM W/MAHOGANY ACCENTS(brown)1
- Forest Storm W/Mahogany A(brown)1
Live Market Data
Computed from active 2026 GMC Yukon XL AT4 listings nationwide, updated continuously.
Price Distribution
Price vs. Mileage
Latest AT4 Listings
The newest 2026 GMC Yukon XL AT4s on the market.

New 2026 GMC Yukon XL
$99,357
Est. $1,429/mo*
Huston GMC

New 2026 GMC Yukon XL
$96,989
Est. $1,396/mo*
Paul Masse Buick GMC South

New 2026 GMC Yukon XL
$82,627
Est. $1,191/mo*
Eynon GMC

New 2026 GMC Yukon XL
$95,219
Est. $1,370/mo*
Paul Masse Buick GMC South

New 2026 GMC Yukon XL
$84,211
Est. $1,213/mo*
Central Buick GMC

New 2026 GMC Yukon XL
$97,714
Est. $1,406/mo*
Paul Masse Buick GMC South

New 2026 GMC Yukon XL
$98,689
Est. $1,420/mo*
McGrath Buick GMC Cadillac

New 2026 GMC Yukon XL
$87,733
Est. $1,264/mo*
Ross Downing GMC
What's Yours
Worth?
The median 2026 GMC Yukon XL AT4 lists for $91,129 today.
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Factory Features
Standard equipment from the window sticker, reviewed for accuracy.
Comfort & Convenience
- Keyless Open and Start
- Remote vehicle start
- Proximity key with push-button start
- Power-programmable liftgate
- Hands-free liftgate
- Memory settings for driver
- Power-folding third-row seats
- Second-row power-release seats
- Sunroof / panoramic power sunroof (only if standard)
- Rear seat media system (only if standard)
- Illuminated entry
- Cargo net / tie-downs
Driver Assistance
- Super Cruise (availability/year-dependent; verify if standard on AT4)
- Enhanced Automatic Emergency Braking
- Forward Collision Alert
- Front Pedestrian and Bicyclist Braking
- Blind Zone Steering Assist
- Lane Keep Assist with Lane Departure Warning
- Intersection Automatic Emergency Braking
- Side Bicyclist Alert
- Adaptive Cruise Control
- Automatic Parking Assist
- Rear Camera Mirror (if standard on trim)
- Head-Up Display (if standard on trim)
Entertainment
- Google built-in (Google Assistant, Google Maps, Google Play)
- 13.4-inch diagonal GMC Premium Infotainment System with navigation
- 15-inch diagonal multi-color head-up display (if standard)
- Bose premium audio system
- Wireless Apple CarPlay and Android Auto capability
- Bluetooth streaming audio
- Wi-Fi hotspot capable
- Multiple USB data ports
- SiriusXM capable
- HD Radio
- Rear-seat entertainment (only if standard on AT4)
Exterior
- AT4-specific grille and badging
- Darkened exterior trim
- Unique AT4 front/rear bumpers
- Body-color door handles
- Power-retractable assist steps with perimeter lighting
- Hands-free power liftgate with emblem projection
- Deep-tinted glass
- Rain-sensing windshield wipers
- Heated power-adjustable outside mirrors with memory
- Driver-side auto-dimming outside mirror
- Power-folding mirrors
- LED headlamps
- LED daytime running lamps
- LED taillamps
- IntelliBeam auto high beams
- Front and rear splash guards
- Roof-mounted luggage rack side rails
- Rocker protection / AT4 underbody protection
Interior
- AT4-branded interior trim
- Perforated leather-appointed seating (AT4 materials)
- Heated and ventilated front seats
- Power driver seat with memory
- Power passenger seat
- Heated second-row outboard seats
- Power-release second-row bucket seats (configuration dependent)
- Third-row power-folding seats
- Heated steering wheel
- Leather-wrapped steering wheel
- Power-tilt/telescoping steering column
- Tri-zone automatic climate control
- Rear air conditioning
- Auto-dimming rearview mirror
- Universal Home Remote
- Power windows with express up/down
- Power door locks
- Carpeted floor mats
- All-weather floor liners (AT4)
- Cargo management features
- USB ports (front, second, and third row)
- Wireless phone charging
- 12-volt power outlets
- 120-volt power outlet
- Ambient interior lighting
Mechanical & Performance
- 10-speed automatic transmission
- 4WD with two-speed Autotrac transfer case
- Air ride adaptive suspension
- Magnetic Ride Control
- Electronic limited-slip differential
- Hill Descent Control
- Trailering equipment package (standard on AT4)
- Integrated trailer brake controller
- Hitch Guidance with Hitch View
- Trailer Side Blind Zone Alert
- Max trailering capacity up to 8,000 lbs (engine-dependent)
- 5.3L V8 engine (standard; 6.2L available)
- Active Fuel Management / Dynamic Fuel Management
- Auto stop/start
- External engine oil cooler
- External transmission oil cooler
- Heavy-duty locking rear differential (or eLSD as equipped)
- Skid plates
- Red recovery hooks
- High-capacity air cleaner
- Unique AT4 suspension tuning
- 20-inch wheels (AT4 standard)
- All-terrain tires
Safety & Security
- 8 airbags (or current standard airbag suite)
- StabiliTrak electronic stability control with Proactive Roll Avoidance
- Traction control
- 4-wheel antilock disc brakes
- Tire pressure monitoring system
- Teen Driver technology
- LATCH system
- OnStar and connected services capable
- Theft-deterrent system
- HD Surround Vision
- Rear Pedestrian Alert
- Rear Cross Traffic Braking
- Safety Alert Seat
- Following Distance Indicator
- Seat belt pretensioners
Warranty
- 3-year/36,000-mile bumper-to-bumper limited warranty
- 5-year/60,000-mile powertrain limited warranty
- 5-year/60,000-mile roadside assistance
- 3-year/36,000-mile courtesy transportation
- 6-year/100,000-mile rust-through corrosion warranty (as published for GMC)