2021 GMC Acadia AT4

  • Used
$25,491Retail Price
$24,485Thomas Upfront Price
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    The overview

    Exterior Color
    Summit White
    Interior Color
    Jet Black
    Odometer
    76,423 miles
    Fuel Economy
    19/26 MPG City/Hwy
    Transmission
    9-speed automatic
    Drivetrain
    All-wheel Drive
    Engine
    V-6 cyl
    VIN
    1GKKNLLS6MZ167171
    Stock Number
    UQ428112A
    • Show Me the CARFAX Badge

    The highlights

    • Navigation system
    • Lane departure
    • Automatic temperature control
    • Emergency communication system
    • Premium audio system
    • Wireless phone connectivity
    • Parking sensors
    • Front dual zone A/C
    • Auto high-beam headlights
    • Auto-dimming rearview mirror
    • 3rd row seats
    • Heated front seats

    A closer look at what’s included

    Included Options
    • Preferred Package: Automatic Heated Steering Wheel
    • Luxury Package: Heated Rear Outboard Seating Positions; Memory Package; Power-Adjustable Body-Color Outside Heated Mirrors; Power Tilt and Telescopic Steering Column; 8-Way Power Passenger Seat Adjuster; Power Passenger Lumbar Control Seat Adjuster; Heated and Ventilated Driver and Front Passenger Seats
    • Interior Protection Package: All-Weather Rear Cargo Mat; 3rd Row All-Weather Floor Mats; 1st and 2nd Row All-Weather Floor Mats
    • Technology Package: HD Surround Vision; Head Up Display
    • Preferred Equipment Group 4SB
    • Dual SkyScape 2-Panel Power Sunroof
    • Perforated Leather-Appointed Seat Trim
    • Trailering Package
    • Wireless Charging
    • Black Center Caps with Red GMC Logo
    • Apple CarPlay/Android Auto smart device wireless mirroring
    • Automatic Emergency Braking forward collision mitigation
    • Front Pedestrian Braking
    • 4G LTE Wi-Fi Hotspot capable mobile hotspot internet access
    • Rear mounted camera
    • Lane Keep Assist with Lane Departure Warning
    • Head-up display
    • Brake assist system
    • Cruise control with steering wheel mounted controls
    • Power liftgate rear cargo door
    • Ventilated driver and front passenger seats
    • Integrated navigation system with voice activation
    • Keyfob remote start
    • Heated steering wheel
    • Heated driver and front passenger seats
    • Heated rear seats
    • Leather front seat upholstery
    • Primary monitor touchscreen
    • Fixed third-row seats
    • Rear Cross-Traffic Alert collision warning
    • First-row sliding and tilting glass sunroof with power 1-touch activation sunshade
    • Driver seat power reclining
    • lumbar support
    • cushion tilt
    • fore/aft control and height adjustable control
    • Second-row sunroof coverage
    • Part and full-time AWD
    • 3.6L V-6 direct injection
    • DOHC
    • VVT variable valve control
    • regular gasoline
    • engine with cylinder deactivation and 310HP
    • 3.6L V-6 DOHC
    • Front wireless smart device charging
    • Teen Driver restricted driving mode/alerts
    • Keyless Open/Keyless Start with hands-free access and push button start
    • Keyfob window control
    • Aerial view camera
    • Push-button
    • Vehicle tracker with vehicle slowdown
    • Bluetooth wireless audio streaming
    • Hitch Guidance vehicle to trailer hitching assist
    • Proximity cargo area access release
    • Front mounted camera
    • Right side camera
    • Left side camera
    • Lane Change Alert with Side Blind Zone Alert blind spot warning
    • Dual-zone front climate control
    • Rear climate control system with separate controls
    • IntelliBeam auto high-beam headlights
    • Second-row bucket seats
    • Manual fold-into-floor fold into floor third-row seat
    • Immobilizer
    • Bose speakers
    • Active noise cancellation
    • OnStar and GMC connected services capable vehicle integrated emergency SOS system
    • Bluetooth handsfree wireless device connectivity
    • Towing/Camper Pkg
    • Bose Premium Stereo
    • Cooled Front Seats
    • Driver's Seat Memory
    • Heads-Up Display
    • Heated Rear Seats
    • Luggage Rack
    • Navigation System
    • Power Passenger Seat
    • Power Sunroof
    • Univ Garage Door Opener
    • V6; 3.6 Liter
    • Automatic; 9-Spd
    • AWD
    • Blind Zone Alert
    • Driver Convenience Pkg
    • Preferred Pkg
    • Technology Pkg
    • Hill Descent Control
    • Hill Hold Assist Control
    • Traction Control
    • StabiliTrak
    • ABS (4-Wheel)
    • Keyless Entry
    • Keyless Start
    • Air Conditioning
    • Air Conditioning; Rear
    • Power Windows
    • Power Door Locks
    • Cruise Control
    • Power Liftgate Release
    • Power Steering
    • Tilt & Telescoping Wheel
    • AM/FM/HD Radio
    • SiriusXM Satellite
    • Bluetooth Wireless
    • OnStar
    • Premium GMC Infotainment System
    • F&R Park Assist
    • Backup Camera
    • Dual Air Bags
    • Side Air Bags
    • F&R Head Curtain Air Bags
    • Knee Air Bags
    • Lane Keep Assist
    • Heated Seats
    • Dual Power Seats
    • Third Row Seat
    • Daytime Running Lights
    • LED Headlamps
    • Fog Lights
    • Alloy Wheels
    • Technology Package
    • Preferred Package
    • Interior Protection Package
    • 170 Amp Alternator
    • 3.6L V6 SIDI DOHC with VVT Engine
    • 9-Speed Automatic Transmission
    • Heavy-Duty Cooling System
    • Luxury Package
    • 1-touch down
    • 1-touch up
    • Air conditioning
    • Auto-dimming rearview mirror
    • Automatic temperature control
    • Driver door bin
    • Driver vanity mirror
    • Emergency communication system: OnStar and GMC connected services capable
    • Front beverage holders
    • Front dual zone A/C
    • Garage door transmitter
    • Illuminated entry
    • Navigation system
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power windows
    • Proximity key: doors and push button start
    • Rear air conditioning
    • Rear beverage holders
    • Rear door bins
    • Remote engine start: keyfob
    • Remote keyless entry
    • Speed control
    • Telescoping steering wheel
    • Tilt steering wheel
    • Trunk/hatch auto-latch
    • Alloy wheels
    • Four wheel independent suspension
    • Front anti-roll bar
    • Power steering
    • Rear anti-roll bar
    • Speed-sensing steering
    • Tires: all-terrain
    • 1st row LCD monitors: 2
    • AM/FM radio: SiriusXM with 360L
    • Premium audio system: GMC Infotainment System
    • Primary LCD size: 8.0"
    • Radio data system
    • Smart device integration: Apple CarPlay/Android Auto
    • Speaker type: Bose
    • Speakers: 8
    • Steering wheel mounted audio controls
    • Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
    • Wireless phone connectivity: Bluetooth
    • 3rd row seats: split-bench
    • Front center armrest
    • Front seats: bucket
    • Heated front seats
    • Power 2-way driver lumbar support
    • Power driver seat
    • Rear seats Folding position: fold forward seatback
    • Compressor: Not Available
    • Cylinder configuration: V-6
    • Cylinder deactivation
    • Drive type: all-wheel
    • Engine liters: 3.6L
    • Engine location: front
    • Fuel economy city: 19mpg
    • Fuel economy combined: 21mpg
    • Fuel economy highway: 26mpg
    • Fuel tank capacity: 22.0gal.
    • Horsepower: 310hp @ 6,600RPM
    • Hybrid traction battery type: none
    • Mode select transmission
    • Number of valves: 24
    • Recommended fuel: Regular Unleaded
    • Standard fuel economy fuel type: gasoline
    • Torque: 271 lb.-ft. @ 5,000RPM
    • Transmission: 9 speed automatic
    • Variable intake manifold
    • Variable valve control
    • Ground clearance (min): 183mm (7.2")
    • Bumpers: body-color
    • Heated door mirrors
    • Power door mirrors
    • Power liftgate
    • Rear cargo: power liftgate
    • Spoiler
    • Tailpipe finisher: chrome
    • Turn signal indicator mirrors
    • 3rd row headroom: 945mm (37.2")
    • 3rd row hiproom: 1,090mm (42.9")
    • 3rd row legroom: 754mm (29.7")
    • 3rd row shoulder room: 1,379mm (54.3")
    • Compression ratio: 11.50 to 1
    • Curb weight: 1,953kg (4,306lbs)
    • Engine bore x stroke: 95.0mm x 85.8mm (3.74" x 3.38")
    • Engine displacement: 3.6 L
    • Engine horsepower: 310hp @ 6,600RPM
    • Engine torque: 271 lb.-ft. @ 5,000RPM
    • Exterior body width: 1,915mm (75.4")
    • Exterior height: 1,694mm (66.7")
    • Exterior length: 4,912mm (193.4")
    • Front headroom: 1,016mm (40.0")
    • Front hiproom: 1,415mm (55.7")
    • Front legroom: 1,041mm (41.0")
    • Front shoulder room: 1,509mm (59.4")
    • GVWR: 2,722kg (6,001lbs)
    • Interior maximum rear cargo volume: 2,237 L (79 cu.ft.)
    • Passenger volume: 4,072L (143.8 cu.ft.)
    • Rear headroom: 1,006mm (39.6")
    • Rear hiproom: 1,354mm (53.3")
    • Rear legroom: 1,008mm (39.7")
    • Rear shoulder room: 1,491mm (58.7")
    • Towing capacity: 1,814kg (4,000lbs)
    • Turning radius: 5.9m (19.4')
    • Wheelbase: 2,858mm (112.5")
    • Auto high-beam headlights
    • Blind spot: Lane Change Alert with Side Blind Zone Alert warning
    • Compass
    • Delay-off headlights
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • Lane departure: Lane Keep Assist with Lane Departure Warning active
    • Low tire pressure warning
    • Outside temperature display
    • Parking sensors: Front and Rear Park Assist front and rear
    • Rear reading lights
    • Rear window defroster
    • Rear window wiper
    • Tachometer
    • Trip computer
    • Variably intermittent wipers
    • Voltmeter
    • 4 wheel disc brakes
    • ABS brakes
    • Brake assist
    • Dual front impact airbags
    • Dual front side impact airbags
    • Electronic stability
    • Forward collision: Automatic Emergency Braking mitigation
    • Front pedestrian detection: prevention
    • Ignition disable
    • Knee airbag
    • Occupant sensing airbag
    • Overhead airbag
    • Panic alarm
    • Perimeter/approach lights
    • Rear collision: Rear Cross-Traffic Alert warning
    • Security system
    • Traction control
    Looking for a capable three-row SUV with premium features and confident performance? This pre-owned 2021 GMC Acadia AT4 AWD is now available in McConnellsburg, PA. Powered by a strong V6 3.6L gasoline engine, this GMC Acadia AT4 delivers the versatility you want for daily driving, weekend travel, and Pennsylvania roads in every season.

    Inside, you'll find a comfortable, well-equipped cabin with Hands Free Bluetooth, Android Auto, and a BOSE Stereo for seamless connectivity and high-quality sound. The Back-Up Camera helps make parking and reversing easier, while Lane Departure Warning adds an extra layer of confidence on the highway. The AT4 trim gives this GMC Acadia a rugged, sporty look with the added traction and control of AWD.

    If you're shopping for a pre-owned GMC Acadia AT4 in McConnellsburg PA, this SUV deserves a closer look. It offers the space, technology, and capability families and commuters appreciate, along with the trusted performance of GMC engineering. Stop by today to see why the 2021 GMC Acadia AT4 AWD continues to be a popular choice among drivers who want comfort, power, and style in one package. Ideal for road trips, school runs, and everyday driving, this GMC Acadia AT4 is ready now.

    Peace of mind

    vehicle history report

    Vehicle history report

    • Title information
    • Odometer readings
    • Accident data (if applicable)
    • Service history
    • Vehicle usage
    • Recall information (if applicable)
    • Warranty status
    Free CarFax report

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    Thomas Cumberland Subaru is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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    KBB.com Consumer Reviews

    Kelley Blue Book Logo4.2out of 5 overall
    • 5.0

      Other brands have large recalls

      by Perfect Vehicle on 8/1/2026 10:36:44 AM

      Bought it new. Zero issues, outstanding vehicle. All other competitors had massive recalls. Buy American :)…
    • 5.0

      2022 Acadia Denali AWD

      by Hap Loucks on 7/7/2026 4:15:09 PM

      Love this car.. no problems at all. Great look and size so we do not need a truck. We get lots of compliments and we recommend this car.…
    • 5.0

      Dream mom car

      by Jess H on 6/17/2025 5:00:05 PM

      With the SLT trim, i still got a ton of features like sportmode and android auto and blind spot monitor. I enjoy the quiet ride and smooth drive.…
    All reviews on KBB.com
    Based on 60 consumer ratings for 2017–2023 models. Privacy
      *Although every reasonable effort has been made to ensure the accuracy of the information contained on this site, absolute accuracy cannot be guaranteed. All vehicles are subject to prior sale. We reserve the right to make changes without prior notice, refuse to honor any incorrect prices, and are not responsible for errors or omissions. Price does not include applicable tax, title, license, processing and/or documentation fees. *PA Doc Fee: $490, *MD Doc Fee: $699.

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      Used 2021 GMC Acadia SUV AT4

      Exterior Color: Summit White

      Interior Color: Jet Black

      Vin Number: 1GKKNLLS6MZ167171

      Stock: UQ428112A

      View this 2021 GMC Acadia SUV  AT4 for sale at Thomas Subaru in Cumberland, MD.