Vehicle Details
Body Style
SUV
Engine
6.2L 8Cyl
Exterior Colour
Black
Transmission
Automatic
Drivetrain
4×4
Stock
18-260387
Fuel Type
Gasoline
Description
2026 GMC Yukon AT4 – Luxury Meets Wild Territory
The 2026 GMC Yukon AT4 is built for drivers who want premium comfort, commanding presence, and real capability when the pavement ends. Finished in Onyx Black with an exclusive Forest Storm and Mahogany leather interior, this Yukon blends upscale refinement with AT4 ruggedness. Powered by a mighty 6.2L V8, equipped with Air Ride Adaptive Suspension, Active Response 4WD, and loaded with family-ready technology, this SUV is ready for everything from ski weekends to towing duty to executive arrival.
6.2L V8 Power and Full-Size Confidence
Under the hood sits GMC’s proven naturally aspirated V8:
• 6.2L EcoTec3 V8 • 420 horsepower • 460 lb-ft of torque • Dynamic Fuel Management • Direct Injection with Variable Valve Timing • Paired with a 10-speed automatic transmission
Smooth when cruising, thunderous when asked.
True AT4 Capability
This Yukon isn’t just dressed ruggedly. It is rugged.
• Active Response 4WD system • Electronic Limited-Slip Differential • Air Ride Adaptive Suspension • Premium Capability Package • Extra capacity cooling system • Integrated trailer brake controller
From cottage roads to winter highways to boat launches, this Yukon keeps its footing.
Blacked-Out AT4 Presence
Finished in Onyx Black, this Yukon gains additional stealth attitude with the dealer-installed AT4 Black Appearance Package:
• Illuminated Black GMC emblem • Black exterior nameplates • 20-inch Carbon Flash Metallic wheels • Bold AT4 front fascia and stance
It looks like a tuxedo that benches 315.
Premium Interior for Seven-Star Travel
Inside, the cabin feels rich, spacious, and modern:
• Forest Storm leather seating surfaces with Mahogany accents • Heated front bucket seats • Power second-row bucket seats • Power-sliding centre console with secure storage • Expansive three-row comfort
Luxury with hiking boots on.
Premium Plus Package
This Yukon includes the AT4 Premium Plus Package, bringing elite upgrades such as:
• Panoramic power sunroof • Power-retractable assist steps • Max Trailering Package • Rear Seat Media System • Enhanced Trailering Technology Package
A rolling penthouse with a tow rating mindset.
Rear Seat Entertainment & Family Tech
Rear passengers get VIP treatment:
• Dual 12.6-inch rear touchscreens • Two Bluetooth headphones • HDMI inputs • Massive 16.8-inch GMC infotainment display up front • Google Built-In navigation and voice controls
Road trips just became diplomatic missions of peace.
Advanced Safety & Driver Assistance
Loaded with modern confidence features:
• Super Cruise hands-free driving capability • Head-Up Display • Rear Camera Mirror • Driver Attention Assist • Blind Zone Steering Assist with Trailering • Hitch View with zoom/pan • Security sensors for motion, glass breakage, tilt and intrusion
This Yukon watches the road, trailer, and parking lot.
Ready to Tow Big Toys
With the Max Trailering Package and smart trailering tools, this Yukon is built for:
• Boats • Travel trailers • Horse trailers • Utility trailers • Weekend kingdoms on wheels
Tow with brains, not guesswork.
Why Buy from Boyer Chevrolet Buick GMC Ajax?
At Boyer Chevrolet Buick GMC Ajax, located at 425 Bayly Street West, we know Yukon buyers expect more.
You get:
• Full-size SUV specialists • Competitive lease and finance programs • Trade-in experts • GMC-certified service support • A trusted local team with strong reviews
📞 905-427-2500
Final Word
If you’re considering the Chevrolet Tahoe Z71, Ford Expedition Timberline, or Jeep Wagoneer, the 2026 GMC Yukon AT4 offers a rare blend of muscle, luxury, family comfort, and authentic capability.
This isn’t just an SUV. It’s a mountain lodge with launch control.
Packages & Options
Standard Equipment
Technical Specifications
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Auxiliary Audio Input
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Bluetooth Connection
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MP3 Player
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Navigation System
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Premium Sound System
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Smart Device Integration
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Requires Subscription
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Satellite Radio
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WiFi Hotspot
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Aluminum Wheels
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Tires - Front All-Terrain
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Tires - Rear All-Terrain
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Conventional Spare Tire
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Tire carrier, lockable outside spare winch-type mounted under frame at rear
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Luggage Rack
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Active Aero Shutters, upper
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Fascia, front high-approach angle
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Running Boards/Side Steps
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Daytime Running Lights
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Fog Lamps
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Heated Mirrors
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Integrated Turn Signal Mirrors
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Power Folding Mirrors
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Power Mirror(s)
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Mirror caps, painted (Gloss Black.)
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Rear Camera Washer
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Glass, acoustic, laminated windshield
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Privacy Glass
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Glass, driver and front passenger laminated front door window
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Intermittent Wipers
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Rain Sensing Wipers
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Variable Speed Intermittent Wipers
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Wiper, rear intermittent
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Power Liftgate
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Remote Trunk Release
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Bucket Seats
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Leather Seats
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Mirror Memory
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Seat Memory
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Pass-Through Rear Seat
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Rear Bench Seat
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3rd Row Seat
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Heated Front Seat(s)
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Cooled Front Seat(s)
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Heated Rear Seat(s)
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Power Driver Seat
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Power Passenger Seat
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Driver Adjustable Lumbar
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Safety Alert Seat
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Console, floor with storage area, cup holders (Replaced with (DCH) power-sliding centre console when (CWM) Technology Package is ordered.)
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Floor Mats
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Adjustable Steering Wheel
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Steering column lock, electrical
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Steering wheel, wrapped
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Heated Steering Wheel
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Adaptive Cruise Control
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Cruise Control
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Front Collision Warning
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Steering Wheel Audio Controls
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Driver Information Centre, 11" diagonal multi-colour digital high-contrast display with local backlight dimming
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Warning tones headlamp on, driver and right-front passenger seat belt unfasten and turn signal on
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Power Windows
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Requires Subscription
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Telematics
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Power Door Locks
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Keyless Entry
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Remote Engine Start
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Universal Garage Door Opener
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Wireless Phone Charging, for portable devices
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Auxiliary Audio Input
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MP3 Player
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USB ports, 2 type-C, charge-only, located in third row
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A/C
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Climate Control
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Multi-Zone A/C
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Rear A/C
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Air filter, pollutant and fine dust
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Rear Defrost
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Security System
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Auto-Dimming Rearview Mirror
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Driver Illuminated Vanity Mirror
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Driver Vanity Mirror
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Passenger Illuminated Visor Mirror
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Passenger Vanity Mirror
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Assist handles, overhead, driver and front passenger, located in headliner
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Assist handles, front passenger A-pillar and second row outboard B-pillar
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Lighting, interior with dome light driver- and passenger-side door switch with delayed entry feature, cargo lights, door handle or Remote Keyless Entry-activated illuminated entry and map lights in front and second seat positions
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8 Cylinder Engine
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Gasoline Fuel
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10-Speed A/T
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A/T
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Rear axle, 3.23 ratio
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GVWR, 7600 lbs. (3492 kg)
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Keyless Start
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Automatic Stop/Start
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Engine control stop/start system disable button, non-latching
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Engine air filtration monitor
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Air filter, heavy-duty
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Locking/Limited Slip Differential
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Electronic Precision Shift
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Battery, 730 cold-cranking amps (Standard with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine only.)
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Alternator, 220 amps (Standard with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine only.)
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Four Wheel Drive
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Tow Hitch
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Tow Hooks
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Skid plate, front
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Cooling, auxiliary external transmission oil cooler heavy-duty air-to-oil
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Cooling, external engine oil cooler heavy-duty air-to-oil, integral to driver side of radiator (Deleted when (LZ0) Duramax 3.0L Turbo-Diesel engine is ordered.)
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Active Suspension
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Suspension, front coil-over-shock with stabilizer bar
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Suspension, rear multi-link with coil springs
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Power Steering
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4-Wheel Disc Brakes
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ABS
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Exhaust, dual system with dual twin polished stainless-steel tips
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Brake Assist
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Front Collision Mitigation
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Front Collision Warning
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Stability Control
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Traction Control
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Trailer sway control
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Automatic Highbeams
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Driver Air Bag
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Front Head Air Bag
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Front Side Air Bag
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Passenger Air Bag
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Rear Head Air Bag
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Passenger Air Bag Sensor
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Display, automatic occupant sensing
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Requires Subscription
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Telematics
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Interior Camera (requires future vehicle software update)
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Aerial View Display System
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Back-Up Camera
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Hitch Guidance
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Hill Descent Control
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Blind Spot Monitor
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Evasion Assist
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Automatic Parking
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Rear Parking Aid
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Rear Collision Mitigation
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Cross-Traffic Alert
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Lane Departure Warning
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Lane Keeping Assist
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Side Bicyclist Alert
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Traffic Sign Recognition
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Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use, can be turned on and off in Settings or Teen Driver menu
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Child Safety Locks
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LATCH system (Lower Anchors and Tethers for CHildren), for child safety seats lower anchors and top tethers located in all second row seating positions, top tethers located in third row seating positions
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Driver Restriction Features
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Tire Pressure Monitor
No matches were found.
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Vehicle NameGMC Yukon
-
Body StyleSport Utility Vehicle
-
DrivetrainFour Wheel Drive
-
Trans Order CodeMHS
-
Trans Type10
-
Trans Description Cont.Automatic
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First Gear Ratio (:1)4.69
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Second Gear Ratio (:1)2.98
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Third Gear Ratio (:1)2.14
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Fourth Gear Ratio (:1)1.77
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Fifth Gear Ratio (:1)1.54
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Sixth Gear Ratio (:1)1.27
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Seventh Gear Ratio (:1)1.00
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Eighth Gear Ratio (:1)0.85
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Ninth Gear Ratio (:1)0.69
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Tenth Gear Ratio (:1)0.63
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Transfer Case Gear Ratio (:1), High1.00
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Transfer Case Gear Ratio (:1), Low2.69
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Passenger Capacity7
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Front Head Room (in)40.4
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Front Leg Room (in)44.5
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Front Shoulder Room (in)65.5
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Front Hip Room (in)61.5
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Second Head Room (in)37.5
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Second Leg Room (in)42
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Second Shoulder Room (in)64.7
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Second Hip Room (in)61.3
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Third Head Room (in)38.2
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Third Leg Room (in)34.9
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Third Shoulder Room (in)62.7
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Third Hip Room (in)49.4
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Gross Axle Wt Rating - Front (lbs)3700
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Gross Axle Wt Rating - Rear (lbs)4300
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Curb Weight - Front (lbs)2870
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Curb Weight - Rear (lbs)2710
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Gross Vehicle Weight Rating Cap (lbs)7700
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Gross Combined Wt Rating (lbs)14500
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EnerGuide Estimate - Combined (km)15
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EnerGuide Estimate - City (L/100 km)16.6
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EnerGuide Estimate - Hwy (L/100 km)13
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G/km Of CO2 Emissions352
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Dead Weight Hitch - Max Trailer Wt. (lbs)5000
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Dead Weight Hitch - Max Tongue Wt. (lbs)500
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Wt Distributing Hitch - Max Trailer Wt. (lbs)8000
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Wt Distributing Hitch - Max Tongue Wt. (lbs)800
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Maximum Trailering Capacity (lbs)8200
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Engine Order CodeL87
-
Engine TypeGas V8
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Displacement6.2L
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Fuel SystemDirect Injection
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SAE Net Horsepower @ RPM420 @ 5600
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SAE Net Torque @ RPM460 @ 4100
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Cold Cranking Amps @ 0° F (Primary)730
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Maximum Alternator Capacity (amps)220
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Frame TypeLadder
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Suspension Type - FrontCoil-Over Shock
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Suspension Type - RearMulti-Link
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Axle Type - FrontIndependent
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Axle Type - RearSemi-Floating
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Axle Ratio (:1) - Front3.23
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Axle Ratio (:1) - Rear3.23
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Front Tire Order CodeQAE
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Rear Tire Order CodeQAE
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Spare Tire Order CodeXCQ
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Front Tire Size275/60R20SL
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Rear Tire Size275/60R20SL
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Spare Tire SizeP265/70R17
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Front Wheel Size (in)20 x 9
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Rear Wheel Size (in)20 x 9
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Spare Wheel Size (in)17
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Front Wheel MaterialAluminum
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Rear Wheel MaterialAluminum
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Spare Wheel MaterialSteel
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Steering TypePwr Rack & Pinion
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Turning Diameter - Curb to Curb (ft)39.5
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Brake TypePwr
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Brake ABS System4-Wheel
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Disc - FrontYes
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Disc - RearYes
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Rear Brake Rotor Diam x Thickness (in)17
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Fuel Tank Capacity, Approx (L)91
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Wheelbase (in)121
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Length, Overall (in)210.1
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Width, Max w/o mirrors (in)81
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Height, Overall (in)76.5
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Rear Door TypeLiftgate
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Cargo Box Width @ Wheelhousings (in)49.5
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Cargo Volume to Seat 1 (ft³)122.8
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Cargo Volume to Seat 2 (ft³)72.5
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Cargo Volume to Seat 3 (ft³)25.5
No matches were found.
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* Plus HST & Licensing. Price includes: Dealer Admin Fee ($599), Etching ($299), Tire Protection ($199), Tire Duty ($22.50), and OMVIC fee ($22.00) Every reasonable effort is made to ensure the accuracy of the information listed above. Vehicle pricing, incentives, options (including standard equipment), and technical specifications listed is for the 2026 GMC Yukon AT4 may not match the exact vehicle displayed. Please confirm the accuracy of this information with a sales representative.
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