2021 GMC Yukon
Overview
- Year: 2021
- Make: GMC
- Model: Yukon
- Trim: AT4 4WD 4dr AT4
- Colour: Black
- Body Type: SUV, Crossover
- Seats: 7
- Drivetrain: 4 x 4
- Transmission: Automatic
- Fuel Type: Gas
Bluetooth
Push button start
Parking assistant
- VIN: 1GKS2CKDXMR469171
- Stock #: 300394
Description
The 2021 GMC Yukon AT4 is a rugged full-size SUV built for adventure, blending off-road capability with upscale refinement. Powered by a 5.3L V8 engine, it delivers strong performance both on and off the pavement, while offering a well-equipped and versatile interior for family trips, towing, or trail excursions.
Performance & Capability:
5.3L V8 engine delivering 355 horsepower and 383 lb-ft of torque
10-speed automatic transmission for smooth power delivery
Active Response 4WD system for enhanced off-road traction
AT4-exclusive front skid plate and off-road suspension
Hill Descent Control and Terrain Mode for improved trail control
Exterior Features:
Bold AT4 grille with black chrome and red recovery hooks
Signature C-shaped LED headlights and fog lamps
Power liftgate and roof rails for added cargo convenience
Unique AT4 badging and dark exterior accents
Interior Comfort & Utility:
Heated and ventilated front seats for added comfort
Heated 2nd row seats
Leather-appointed seating with AT4 embroidery
Heated leather-wrapped steering wheel
Tri-zone automatic climate control
Power-adjustable front seats with driver memory settings
Spacious three-row seating with ample legroom and cargo space
Technology & Connectivity:
10.2-inch GMC Infotainment System with navigation
Apple CarPlay & Android Auto integration
Bose premium upgrade
Wireless charging pad and multiple USB ports
Safety & Driver Assistance:
Forward Collision Alert with Automatic Emergency Braking
Lane Keep Assist with Lane Departure Warning
Front and Rear Park Assist
HD Rear Vision Camera
The 2021 GMC Yukon AT4 is a premium full-size SUV tailored for outdoor adventure, offering powerful V8 performance, advanced tech, and upscale comfort with distinctive off-road styling and trail-ready features. Perfect for families and explorers alike.
AMVIC Licensed Dealer *Every reasonable effort is made to ensure the accuracy of the information shown. The Standard Equipment listed is provided at the time of the manufacture and may not match the exact vehicle displayed. Please confirm with a sales representative the accuracy of this information.
Engine: 8 Cylinder Engine 5.3L
L/100Km City: 15.5
L/100Km Hwy: 12.0
Safety Equipment
- Hitch Guidance
- Rear Cross Traffic Alert
- Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behaviour. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
- Rear Seat Reminder
- Daytime Running Lamps, LED
- Automatic Emergency Braking
- Front Pedestrian Braking
- Forward Collision Alert
- Lane Keep Assist with Lane Departure Warning
- Hill Descent Control
- OnStar and GMC connected services capable (Terms and limitations apply. See onstar.ca or dealer for details.)
- Front outboard Passenger Sensing System for frontal outboard passenger airbag
- Airbags, Frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Driver inboard seat-mounted side-impact airbag; Head-curtain airbags for all rows in outboard seating positions
- Hill Start Assist
- Front and Rear Park Assist
- IntelliBeam, automatic high beam on/off
- StabiliTrak, stability control system with brake assist includes traction control and electronic trailer sway control
- 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
- Tire Pressure Monitoring System, auto learn, includes Tire Fill Alert (does not apply to spare tire)
- HD Rear Vision Camera (Replaced by (UV2) HD Surround Vision when (CWM) Technology Package is ordered.)
- Lane Change Alert with Side Blind Zone Alert (Replaced by (UKV) Trailer Side Blind Zone Alert when (NHT) Max Trailering Package is ordered.)
Interior Equipment
- Floor covering, colour-keyed carpeting
- Steering wheel, leather-wrapped
- Defogger, rear-window electric
- Mirror, inside rearview auto-dimming
- Seats, front bucket
- Seats, heated driver and front passenger
- Window, power with driver Express-Up/Down
- Cruise control, electronic with set and resume speed
- Windows, power, rear with Express-Down
- Door locks, power programmable with lockout protection
- Remote Start
- Air conditioning, tri-zone automatic climate control with individual climate settings for driver, right front passenger and rear seat occupants
- Visors, driver and front passenger illuminated vanity mirrors
- Steering wheel, heated, automatic
- GMC Connected Access capable (Subject to terms. See onstar.ca or dealer for details.)
- Theft-deterrent system, electrical, unauthorized entry
- Universal Home Remote includes garage door opener, programmable
- Steering column, power tilt and telescopic
- Seat adjusters, 12-way power includes 8-way power driver and front passenger seats with 4-way power lumbar
- Window, power with front passenger Express-Up/Down
- Air conditioning, rear
- Power outlet, front auxiliary, 12-volt, located in the centre stack of instrument panel
- Assist handles, overhead, driver and front passenger, located in headliner
- Assist handles, front passenger A-pillar and second row outboard B-pillar
- Keyless Open, includes extended range Remote Keyless Entry
- Seats, third row 60/40 split-bench, power-folding
- Steering wheel controls mounted audio, Driver Information Centre, cruise control, Forward Collision Alert following gap button and heated steering wheel (when equipped)
- Following Distance Indicator
- Wireless Apple CarPlay/Wireless Android Auto
- USB charging-only ports, 4, (2) located on rear of centre console and (2) in 3rd row
- Power outlets, 2, 120-volt located on the rear of the centre console and rear cargo area
- 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
- Seat trim, Perforated Leather-appointed
- Memory settings recalls 2 "driver" presets for power driver seat, outside rearview mirrors and power and tilt and telescopic steering column
- Seats, second row 60/40 split-folding bench, power release (Not available with (DCH) power-sliding centre console.)
- Seats, heated second row, outboard positions
- Safety Alert Seat
- Console, floor with storage area, cup holders
- Sill plates, bright, front and rear doors (AT4-specific with logo.)
- Driver Information Centre, enhanced, 8" diagonal multi-colour digital display includes analog speedometer and tachometer gauges
- USB data ports, 2, one type-A and one type-C includes SD Card Reader, located within front centre console (When (DCH) power-sliding centre console is ordered, relocated within instrument panel.)
- Seats, heated and ventilated driver and front passenger perforated leather seating surfaces.
- USB data ports, 2, one type-A and one type-C, located within centre console (Deleted when (DCH) power-sliding centre console is ordered.)
- Wireless charging (Standard on vehicles built before 7-12-2021. Vehicles built on or after 7-12-2021, will have (00C) Not Equipped with Wireless Charging which removes Wireless Charging and its content. See dealer for details. The system wirelessly charges one compatible mobile device. Some phones have built-in wireless charging technology and others require a special adaptor/back cover. To check for phone or other device compatibility, see my.gmc.com/learnAbout/wireless-charging or consult your carrier.)
- Floor mats, colour-keyed carpeted first and second row, removable (Premium AT4-specific.)
Exterior Equipment
- Glass, deep-tinted
- Mirror caps, body-colour
- Door handles, body-colour
- Glass, acoustic, laminated windshield
- Headlamps, LED
- Wiper, rear intermittent
- Wipers, front intermittent, Rainsense
- Tires, 275/60R20SL all-terrain, blackwall
- Fog lamps, front LED
- Tire, spare P265/70R17 all-season, blackwall
- Wheel, full-size spare, 17" (43.2 cm) steel
- Glass, windshield shade band
- Lamps, stop and tail, LED
- Tire carrier, lockable outside spare winch-type mounted under frame at rear
- Glass, driver and front passenger laminated front door window
- Wheels, 20" x 9" (50.8 cm x 22.9 cm) 6-spoke machined aluminum with Carbon Grey Metallic accents
- Luggage rack side rails, roof-mounted, Black
- Active Aero Shutters, upper
- Fascia, front high-approach angle
- Mirrors, outside heated power-adjustable, power-folding driver-side auto-dimming, integrated turn signal indicators and puddle lighting
- Liftgate, rear power programmable hands-free with GMC logo projection
- Assist steps, Black with Gloss Black insert (Deleted when (B3L) power-retractable assist steps or (PEH) AT4 Premium Plus Package are ordered.)
Entertainment Equipment
- HD Radio
- 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)
- Infotainment display, 10.2" diagonal multi-colour touchscreen
- SiriusXM with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the All Access package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the All Access package, you can also enjoy your favorites everywhere you go, with the SiriusXM app, online and at home on compatible connected devices. (If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. See the SiriusXM Customer Agreement at www.siriusxm.ca for complete terms and how to cancel. All fees, content, features, and availability are subject to change. GM connected vehicle services vary by vehicle model and require active service plan, working electrical system, cell reception and GPS signal. See onstar.com/ca for details and limitations.)
- Audio system feature, Bose 9-speaker stereo
- Audio system, 10.2" diagonal GMC Infotainment System includes multi-touch display, AM/FM/SiriusXM stereo, Bluetooth streaming audio for music and most phones, Android Auto and Apple CarPlay capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings
Mechanical Equipment
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Air cleaner, high-capacity
- 4-wheel drive
- Electronic Precision Shift
- Fuel, gasoline, E15
- Engine air filtration monitor
- Keyless Start, push-button
- Mechanical Jack with tools
- Rear axle, 3.23 ratio
- Alternator, 220 amps
- Suspension, front coil-over-shock with stabilizer bar
- Suspension, rear multi-link with coil springs
- Engine, 5.3L EcoTec3 V8 with Dynamic Fuel Management, Direct Injection and Variable Valve Timing, includes aluminum block construction (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm)
- Suspension, Magnetic Ride Control
- Transfer case, active, 2-speed electronic Autotrac with rotary controls, includes neutral position for dinghy towing
- Differential, mechanical limited-slip
- Steering, power,
- Trailering equipment, heavy-duty includes trailering hitch platform, 7-wire harness with independent fused trailering circuits mated to a 7-way connector and 2" trailering receiver
- Cooling, auxiliary external transmission oil cooler, heavy-duty air-to-oil
- Exhaust, single system, single-outlet
- Recovery hooks, Red, horizontal-mounted
- Skid plate, front
- Cooling, external engine oil cooler, heavy-duty air-to-oil integral to driver side of radiator
- Transmission, 10-speed automatic electronically controlled with overdrive, includes Traction Select System including tow/haul (Most vehicles built on or after 6-7-2021 with a V8 engine will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start, Engine control stop/start disable button and its content.)
- Automatic Stop/Start (Standard on vehicles built before 6-7-2021. Most vehicles built on or after 6-7-2021 equipped with a V8 engine will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start, Engine control stop/start disable button and its content. See dealer for details.)
- Engine control, stop/start system disable button, non-latching (Standard on vehicles built before 6-7-2021. Most vehicles built on or after 6-7-2021 equipped with a V8 engine will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start, Engine control stop/start disable button and its content. See dealer for details.)
- Battery, 800 cold-cranking amps
- GVWR, 7500 lbs. (3402 kg)
Other Equipment
- GMC Pro Safety Plus includes (UKC) Lane Change Alert with Side Blind Zone Alert, (UHX) Lane Keep Assist with Lane Departure Warning, (UFG) Rear Cross Traffic Alert, (UHY) Automatic Emergency Braking, (UEU) Forward Collision Alert, (UD5) Front and Rear Park Assist, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking and (TQ5) IntelliBeam headlamps
Vehicle History

Accident history
Money owed on vehicle
Service records
Open safety recalls