2021 GMC Yukon XL AT4 specs & colors

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Showing the 2021 GMC Yukon XL 4WD 4dr AT4

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Key specs

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  • Includes Standard Equipment


Rear Door Type Liftgate

Spare Wheel Material Steel
Rear Wheel Size 20 x 9 in
Spare Wheel Size 17 x -TBD- in
Front Wheel Material Aluminum
Rear Wheel Material Aluminum
Front Wheel Size 20 x 9 in

Maximum Alternator Capacity (amps) 220
Cold Cranking Amps @ 0° F (Primary) 800

Displacement 5.3L/-TBD-
Engine Type Gas V8
SAE Net Torque @ RPM 383 @ 4100
SAE Net Horsepower @ RPM 355 @ 5600
Engine Oil Cooler N/A

Cruising Range - City 420.00 mi
Fuel Economy Est-Combined 17 MPG
EPA Fuel Economy Est - City 15 MPG
EPA Fuel Economy Est - Hwy 19 MPG
Cruising Range - Hwy 532.00 mi
Estimated Battery Range N/A mi

Drivetrain Four Wheel Drive
Transfer Case Gear Ratio (:1), High 1.00
Second Gear Ratio (:1) N/A
Ninth Gear Ratio (:1) N/A
Reverse Ratio (:1) N/A
Transfer Case Model Magna MP3023/4
Tenth Gear Ratio (:1) N/A
First Gear Ratio (:1) N/A
Transfer Case Gear Ratio (:1), Low 2.69
Seventh Gear Ratio (:1) N/A
Transfer Case Power Take Off N/A
Sixth Gear Ratio (:1) N/A
Fourth Gear Ratio (:1) N/A
Eighth Gear Ratio (:1) N/A
Trans Type 10
Trans Description Cont. Automatic
Fifth Gear Ratio (:1) N/A
Final Drive Axle Ratio (:1) N/A
Trans Description Cont. Again N/A
Third Gear Ratio (:1) N/A
Trans Power Take Off N/A

Suspension Type - Front Coil-Over Shock
Axle Type - Front Independent
Suspension Type - Rear Multi-Link
Axle Type - Rear Semi-Floating

Frame Type Ladder

Side Door Type N/A

Disc - Front (Yes or ) Yes
Brake ABS System (Second Line) N/A
Front Brake Rotor Diam x Thickness 17 x -TBD- in
Disc - Rear (Yes or ) Yes
Brake Type Pwr
Brake ABS System 4-Wheel
Rear Brake Rotor Diam x Thickness 17 x -TBD- in
Drum - Rear (Yes or ) N/A

Aux Fuel Tank Capacity, Approx N/A gal
Fuel Tank Capacity, Approx 28 gal

Turning Diameter - Wall to Wall N/A ft
Steering Type Pwr Rack & Pinion
Steering Ratio (:1), Overall N/A
Turning Diameter - Curb to Curb 43.3 ft

Spare Tire Size P265/70R17
Front Tire Size 275/60R20
Rear Tire Size 275/60R20

Fifth Wheel Hitch - Max Trailer Wt. N/A lbs
Maximum Trailering Capacity 8000 lbs
Wt Distributing Hitch - Max Trailer Wt. 7500 lbs
Fifth Wheel Hitch - Max Tongue Wt. N/A lbs
Dead Weight Hitch - Max Trailer Wt. 5000 lbs
Dead Weight Hitch - Max Tongue Wt. 500 lbs
Wt Distributing Hitch - Max Tongue Wt. 750 lbs

Base Curb Weight N/A lbs
As Spec'd Payload 1863.00 lbs
Curb Weight 5683.00 lbs
Curb Weight - Front 3003 lbs
Option Weight - Front 0.00 lbs
Gross Combined Wt Rating 14000 lbs
Total Option Weight 0.00 lbs
Gross Axle Weight Rating 8100.00 lbs
Option Weight - Rear 0.00 lbs
Gross Vehicle Weight Rating 7700.00 lbs
Maximum Payload Capacity 2017.00 lbs
As Spec'd Curb Weight 5837.00 lbs
Curb Weight - Rear 2680 lbs

Rear Door Opening Height N/A in
Second Head Room 38.9 in
Front Leg Room 44.5 in
Length, Overall w/rear bumper N/A in
Cargo Area Length @ Floor to Console N/A in
Cab to End of Frame N/A in
Width, Max w/o mirrors 81 in
Second Leg Room 42 in
Cargo Area Length @ Floor to Seat 2 N/A in
Cargo Box Width @ Floor N/A in
Overhang, Front N/A in
Third Hip Room 49.4 in
Cargo Volume to Seat 3 41.5 ft³
Length, Overall 225.2 in
Ground Clearance, Rear N/A in
Cargo Volume to Seat 2 93.8 ft³
Cargo Volume to Seat 4 N/A ft³
Cargo Volume to Seat 1 144.7 ft³
Third Head Room 38.2 in
Rear Door Opening Width N/A in
Passenger Capacity 8
Cargo Box Width @ Top, Rear N/A in
Third Shoulder Room 62.8 in
Side Door Opening Width N/A in
Cargo Box Width @ Wheelhousings 49.4 in
Wheelbase 134.1 in
Step Up Height - Side N/A in
Cargo Area Length @ Floor to Seat 3 N/A in
Second Shoulder Room 64.8 in
Front Hip Room 61.5 in
Cargo Box (Area) Height N/A in
Third Leg Room 36.7 in
Cargo Volume N/A ft³
Step Up Height - Front N/A in
Side Door Opening Height N/A in
Ext'd Cab Cargo Volume N/A ft³
Tailgate Width N/A in
Ground Clearance, Front N/A in
Height, Overall 76.5 in
Cargo Area Width @ Beltline N/A in
Front Head Room 42.3 in
Ground to Top of Load Floor N/A in
Front Shoulder Room 66 in
Second Hip Room 61.3 in
Overhang, Rear w/o bumper N/A in
Cargo Area Length @ Floor to Seat 1 N/A in

HD Radio Standard
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 (STD) Standard
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. (IMPORTANT: The SiriusXM radio trial package is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. 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.com 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 for details and limitations.) Standard
4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.) Standard
Audio system feature, Bose 9-speaker stereo Optional
Infotainment display, 10.2" diagonal multi-color touchscreen Standard

Glass, deep-tinted Standard
Glass, acoustic, laminated windshield Standard
Luggage rack side rails, roof-mounted, Black Optional
Mirrors, outside heated power-adjustable, power-folding driver-side auto-dimming, integrated turn signal indicators and puddle lighting Optional
Active Aero Shutters, upper Standard
Lamps, stop and tail, LED Standard
Tires, 275/60R20SL all-terrain, blackwall Optional
Assist steps, Black with Gloss Black insert (Deleted when (B3L) power-retractable assist steps or (PEH) AT4 Premium Plus Package are ordered.) Optional
Wheel, full-size spare, 17" (43.2 cm) steel Standard
Wheels, 20" x 9" (50.8 cm x 22.9 cm) 6-spoke machined aluminum with Carbon Grey Metallic accent Optional
Wipers, front intermittent, Rainsense Standard
Wiper, rear intermittent Standard
Tire, spare P265/70R17 all-season, blackwall Standard
Glass, driver and front passenger laminated front door window Standard
Fog lamps, front LED Standard
Headlamps, LED Standard
Liftgate, rear power programmable hands-free with GMC logo projection Optional
Mirror caps, body-color Standard
Door handles, body-color Standard
Glass, windshield shade band Standard
Fascia, front high-approach angle Optional
Tire carrier, lockable outside spare winch-type mounted under frame at rear Standard

GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.) Standard
Wireless Apple CarPlay/Wireless Android Auto Standard
Mirror, inside rearview auto-dimming Optional
Defogger, rear-window electric Standard
Floor mats, color-keyed carpeted first and second row, removable (Premium AT4-specific.) Optional
Universal Home Remote includes garage door opener, programmable Optional
USB charging-only ports, 4, (2) located on rear of center console and (2) in 3rd row Standard
Keyless Open, includes extended range Remote Keyless Entry Standard
Steering column, power tilt and telescopic Optional
Windows, power, rear with Express-Down Standard
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 Standard
Window, power with driver Express-Up/Down Standard
Following Distance Indicator Standard
Seats, second row 60/40 split-folding bench, power release (STD) (Not available with (DCH) power-sliding center console.) Optional
Safety Alert Seat Optional
Visors, driver and front passenger illuminated vanity mirrors Standard
Air conditioning, tri-zone automatic climate control with individual climate settings for driver, right front passenger and rear seat occupants Standard
Memory settings recalls 2 "driver" presets for power driver seat, outside rearview mirrors and power and tilt and telescopic steering column Optional
USB data ports, 2, one type-A and one type-C includes SD Card Reader, located within front center console (When (DCH) power-sliding center console is ordered, relocated within instrument panel.) Standard
Air conditioning, rear Standard
Console, floor with storage area, cup holders Standard
USB data ports, 2, one type-A and one type-C, located within center console (Deleted when (DCH) power-sliding center console is ordered.) Optional
Seats, heated second row, outboard positions Optional
Seat trim, Perforated Leather-appointed Optional
Door locks, power programmable with lockout protection Standard
Remote Start Standard
Power outlet, front auxiliary, 12-volt, located in the center stack of instrument panel Standard
Steering wheel, leather-wrapped Standard
Seats, front bucket (STD) Standard
Assist handles, front passenger A-pillar and second row outboard B-pillar Standard
Sill plates, bright, front and rear doors (AT4-specific with logo.) Optional
Theft-deterrent system, electrical, unauthorized entry Standard
Seats, heated driver and front passenger Optional
Steering wheel controls mounted audio, Driver Information Center, cruise control, Forward Collision Alert following gap button and heated steering wheel (when equipped) Standard
Cruise control, electronic with set and resume speed Standard
Driver Information Center, enhanced, 8" diagonal multi-color digital display includes analog speedometer and tachometer gauges Standard
Seats, third row 60/40 split-bench, power-folding Optional
Assist handles, overhead, driver and front passenger, located in headliner Standard
Floor covering, color-keyed carpeting Standard
Window, power with front passenger Express-Up/Down Standard
Seats, heated and ventilated driver and front passenger perforated leather seating surfaces. Optional
Power outlets, 2, 120-volt located on the rear of the center console and rear cargo area Standard
Steering wheel, heated, automatic Optional
Seat adjusters, 12-way power includes 8-way power driver and front passenger seats with 4-way power lumbar Optional
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.) Optional

Engine air filtration monitor Standard
Rear axle, 3.23 ratio Standard
Alternator, 220 amps Standard
4-wheel drive Optional
Air cleaner, high-capacity Optional
GVWR, 7700 lbs. (3493 kg) (4WD models only and on 2WD models with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.) (STD) Optional
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.) Standard
Suspension, rear multi-link with coil springs Standard
Cooling, auxiliary external transmission oil cooler, heavy-duty air-to-oil Standard
Keyless Start, push-button Standard
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.) (STD) Standard
Exhaust, single system, single-outlet Standard
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) (STD) Standard
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.) Standard
Fuel, gasoline, E15 Standard
Suspension, Magnetic Ride Control Optional
Skid plate, front Optional
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors Standard
Recovery hooks, Red, horizontal-mounted Optional
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 Standard
Transfer case, active, 2-speed electronic Autotrac with rotary controls, includes neutral position for dinghy towing Optional
Cooling, external engine oil cooler, heavy-duty air-to-oil integral to driver side of radiator Standard
Differential, mechanical limited-slip Standard
Battery, 800 cold-cranking amps Standard
Electronic Precision Shift Standard
Suspension, front coil-over-shock with stabilizer bar Standard
Mechanical Jack with tools Standard
Steering, power Standard

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 Optional

Lane Keep Assist with Lane Departure Warning Optional
Front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.) Standard
Forward Collision Alert Standard
Automatic Emergency Braking Standard
Front and Rear Park Assist Standard
Lane Change Alert with Side Blind Zone Alert (Replaced by (UKV) Trailer Side Blind Zone Alert when (NHT) Max Trailering Package is ordered.) Optional
IntelliBeam, automatic high beam on/off Standard
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 (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.) Standard
Daytime Running Lamps, LED Standard
OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.) Standard
Rear Cross Traffic Alert Optional
Hill Start Assist Standard
Hill Descent Control Optional
Hitch Guidance Standard
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 Standard
HD Rear Vision Camera (Replaced by (UV2) HD Surround Vision when (CWM) Technology Package is ordered.) Optional
Front Pedestrian Braking Standard
Rear Seat Reminder Standard
Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. 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 Standard
Tire Pressure Monitoring System, auto learn, includes Tire Fill Alert (does not apply to spare tire) Standard
StabiliTrak, stability control system with brake assist includes traction control and electronic trailer sway control Standard

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