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O'Neil GMC · Warminster, PA

2021 GMC Yukon XL AT4

84,911 miles · suv

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2021
MakeGMC
ModelYukon XL
TrimXL AT4
Stock numberT629A
Mileage84,911 miles
BodySport Utility Vehicle [SUV]
Engine5.3L 8-cyl
Cylinders8
Displacement5.3L
TransmissionAutomatic
Drivetrain4WD
FuelGasoline
MPG15 city / 19 hwy
ExteriorWhite Frost Tricoat
Interior(1St And 2Nd Rows Only.)

Vehicle description

This 2021 GMC Yukon XL AT4 in White Frost Tricoat features: EcoTec3 5.3L V8 10-Speed Automatic with Overdrive 4WD CARFAX One-Owner. Clean CARFAX. Our model lineup is second to none! Make sure you swing in today to get an incredible deal on many new and used Buick and GMC models. These vehicles come packed full of features including a one-of-a-kind navigation system that will get you to any location efficiently and safely. Have kids and want to keep them entertained? Our Rear Seat DVD equipped vehicles will have them settled in for those long trips. The average family is getting larger and larger so make sure to check out our vehicles with the extra space with third row seating that can fit kids, dogs, adults, and more! Of course, when it gets chilly in those winter months, features like climate control and heated leather seating are exactly what your body needs for an early morning trip into work. Check out all of these features and more in our stock of vehicles. Other features include but are not limited to Power Moonroof, New Battery, New Tires, Non-Smoker Interior, Paddle Shifters, One Owner Carfax Certified, Premium Wheels, 30+ MPG, Premium Cloth Seating, New Brakes, Premium Sound System, Rear Bucket Seats, Remainder of Factory Warranty, Rear Back-Up Sensors, Remote Keyless Entry, Service Records Available, Steering Wheel Controls, Remote Start, Tow Package, Traction Control, XM Radio, USB Ports, and much more! Price excludes tax, tags, title, license, and dealer fees, additional rebates may apply. See our specials for more details.

Features & options (128)

  • Heated Steering Wheel
  • Remote Start
  • 3rd Row Seating
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Heated Seats
  • Keyless Entry
  • Keyless Ignition System
  • Leather Seats
  • Power Tailgate/Liftgate
  • Wi-Fi Hotspot
  • Emergency Brake Assist
  • Blind Spot Monitor
  • Forward Collision Warning
  • Navigation System
  • Satellite Radio
  • Tow Hitch/Tow Package
  • Entertainment System
  • Cruise Control
  • Rear axle, 3.23 ratio
  • Keyless Start, push-button
  • Fuel, gasoline, E15
  • Air cleaner, high-capacity
  • Electronic Precision Shift
  • Differential, mechanical limited-slip
  • Transfer case, active, 2-speed electronic Autotrac with rotary controls, includes neutral position for dinghy towing
  • Battery, 800 cold-cranking amps
  • Alternator, 220 amps
  • 4-wheel drive
  • Recovery hooks, Red, horizontal-mounted
  • Skid plate, front
  • Suspension, Magnetic Ride Control
  • Suspension, front coil-over-shock with stabilizer bar
  • Suspension, rear multi-link with coil springs
  • Steering, power
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Exhaust, single system, single-outlet
  • Mechanical Jack with tools
  • Wheels, 20" x 9" (50.8 cm x 22.9 cm) 6-spoke machined aluminum with Carbon Grey Metallic accent
  • Tires, 275/60R20SL all-terrain, blackwall
  • Wheel, full-size spare, 17" (43.2 cm) steel
  • Tire carrier, lockable outside spare winch-type mounted under frame at rear
  • Tire, spare P265/70R17 all-season, blackwall
  • Luggage rack side rails, roof-mounted, Black
  • Active Aero Shutters, upper
  • Fascia, front high-approach angle
  • Headlamps, LED
  • Fog lamps, front LED
  • Lamps, stop and tail, LED
  • Mirrors, outside heated power-adjustable, power-folding driver-side auto-dimming, integrated turn signal indicators and puddle lighting
  • Mirror caps, body-color
  • Glass, acoustic, laminated windshield
  • Glass, windshield shade band
  • Glass, deep-tinted
  • Glass, driver and front passenger laminated front door window
  • Wipers, front intermittent, Rainsense
  • Wiper, rear intermittent
  • Liftgate, rear power programmable hands-free with GMC logo projection
  • Door handles, body-color
  • Infotainment display, 10.2" diagonal multi-color touchscreen
  • Audio system feature, Bose 9-speaker stereo
  • HD Radio
  • 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Seats, front bucket
  • Seats, second row 60/40 split-folding bench, power release (Not available with (DCH) power-sliding center console.)
  • 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, third row 60/40 split-bench, power-folding
  • Seats, heated driver and front passenger
  • Seats, heated and ventilated driver and front passenger perforated leather seating surfaces.
  • Seats, heated second row, outboard positions
  • Seat adjusters, 12-way power includes 8-way power driver and front passenger seats with 4-way power lumbar
  • Safety Alert Seat
  • Console, floor with storage area, cup holders
  • Floor mats, color-keyed carpeted first and second row, removable (Premium AT4-specific.)
  • Floor covering, color-keyed carpeting
  • Sill plates, bright, front and rear doors (AT4-specific with logo.)
  • Steering column, power tilt and telescopic
  • Steering wheel, leather-wrapped
  • Steering wheel, heated, automatic
  • Driver Information Center, enhanced, 8" diagonal multi-color digital display includes analog speedometer and tachometer gauges
  • Following Distance Indicator
  • Wireless Apple CarPlay/Wireless Android Auto
  • Window, power with driver Express-Up/Down
  • Window, power with front passenger Express-Up/Down
  • Windows, power, rear with Express-Down
  • Door locks, power programmable with lockout protection
  • Keyless Open, includes extended range Remote Keyless Entry
  • Cruise control, electronic with set and resume speed
  • Universal Home Remote includes garage door opener, programmable
  • USB data ports, 2, one type-A and one type-C, located within center console (Deleted when (DCH) power-sliding center console is ordered.)
  • USB charging-only ports, 4, (2) located on rear of center console and (2) in 3rd row
  • Air conditioning, rear
  • Defogger, rear-window electric
  • Theft-deterrent system, electrical, unauthorized entry
  • Power outlets, 2, 120-volt located on the rear of the center console and rear cargo area
  • Power outlet, front auxiliary, 12-volt, located in the center stack of instrument panel
  • Mirror, inside rearview auto-dimming
  • Visors, driver and front passenger illuminated vanity mirrors
  • Assist handles, overhead, driver and front passenger, located in headliner
  • Assist handles, front passenger A-pillar and second row outboard B-pillar
  • IntelliBeam, automatic high beam on/off
  • Automatic Emergency Braking
  • Hill Start Assist
  • Hill Descent Control
  • StabiliTrak, stability control system with brake assist includes traction control and electronic trailer sway control
  • Daytime Running Lamps, LED
  • Rear Seat Reminder
  • OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Front Pedestrian Braking
  • Front and Rear Park Assist
  • Rear Cross Traffic Alert
  • Forward Collision Alert
  • Lane Keep Assist with Lane Departure Warning
  • HD Rear Vision Camera (Replaced by (UV2) HD Surround Vision when (CWM) Technology Package is ordered.)
  • Hitch Guidance
  • Lane Change Alert with Side Blind Zone Alert (Replaced by (UKV) Trailer Side Blind Zone Alert when (NHT) Max Trailering Package is ordered.)
  • Tire Pressure Monitoring System, auto learn, includes Tire Fill Alert (does not apply to spare tire)
  • DriveType: Four Wheel Drive
  • City: 15 MPG
  • Hwy: 19 MPG
  • Combined: 16 MPG
  • Fuel System: Direct Injection
  • Fuel Tank Capacity: 28 gal
  • Fuel Type: Gasoline Fuel
  • Horse Power: - TBD -
  • Rear Wheel: Single

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 100 miles of Warminster, Pennsylvania
Asking price$44,919Dealer asking price · 84,911 mi
Market value$43,093Market value · based on 4 comparable cars
vs. market Fair price+4.2%Fair price · based on 4 comparable cars

Where this price sits

Among the highest-priced · 25% of 4 similar listings ask more than this car.

$39,999lowest$45,488highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+4.2%
−25%Market value+25%
Fair price$1,826 above the market value of $43,093

Price range

$44,919
$39,999$45,488
4th lowest price of 5 similar listings within 100 milesTick marks the market value · range of 4 similar listings

AutosXchange Insights

  • Compared with 4 used 2021–2022 GMC Yukon XL AT4 listings within 100 mi.
  • Priced $1,826 above the market value of 4 comparable cars — compare options, condition and history.
  • 4th lowest price of 5 similar listings within 100 miles.
  • Has about 15,000 fewer miles than similar listings.
  • About 14,152 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # T629A — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 5, 2026. No price change at this dealership since Nov 5 ($44,919).

$44.7k$44.8k$44.9k$45.0k$45.1k$45.2kNov 5Nov 6Nov 8Nov 9Nov 11Nov 12

AutosXchange Intel Hub: Price changes for this model in Pennsylvania · This model in the Intel Hub · Market movers in Pennsylvania

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 12); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2021–2022 Yukon XL AT4 · used · any miles · within 100 miles of Warminster, Pennsylvania. All 4 comparable cars for sale, nearest first.

More GMC Yukon near Warminster

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