2026 GMC Sierra 1500 AT4

  • Used
  • Diesel
$62,991Selling Price
Lewisville Autoplex
Call 972-353-9300
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    The overview

    Exterior Color
    Summit White
    Interior Color
    Jet Black
    Odometer
    9,190 miles
    Body/Seating
    Truck/5 seats
    Fuel Economy
    22/26 MPG City/Hwy
    Transmission
    10-Speed Automatic
    Drivetrain
    4x4
    Engine
    I-6 cyl
    VIN
    3GTUUEE86TG126364
    Stock Number
    21328
    • Show Me the CARFAX 1-Owner Badge

    The highlights

    • Navigation system
    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Emergency communication system
    • Wireless phone connectivity
    • Parking sensors
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera right
    • Exterior parking camera rear
    • Front dual zone A/C

    A closer look at what’s included

    More pre-installed items

    • Navigation System
    • AT4 Preferred Package
    • AT4 Premium Package
    • Preferred Equipment Group 4SB
    • 1-touch down
    • 1-touch up
    • Adaptive Cruise Control
    • Air conditioning
    • Auto-dimming rearview mirror
    • Automatic temperature control
    • Driver door bin
    • Driver vanity mirror
    • Emergency communication system: OnStar
    • Front beverage holders
    • Front dual zone A/C
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Navigation system
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power windows
    • Proximity key: doors and push button start
    • Rear beverage holders
    • Rear door bins
    • Remote engine start
    • Remote keyless entry
    • Speed control
    • Surround View Monitor: HD Surround Vision w/Hitch View yes
    • Telescoping steering wheel
    • Tilt steering wheel
    • Alloy wheels
    • Front anti-roll bar
    • Front wheel independent suspension
    • Power steering
    • Speed-sensing steering
    • Tires: all-terrain
    • 1st row LCD monitors: 2
    • Primary LCD size: 13.4"
    • Radio data system
    • Smart device integration: Apple CarPlay/Android Auto
    • Speaker type: Bose
    • Speakers: 7
    • Steering wheel mounted audio controls
    • Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
    • Wireless Phone Charger: front
    • Wireless phone connectivity: Bluetooth
    • Front center armrest
    • Front seats: bucket
    • Heated front seats
    • Heated rear seats
    • Leather upholstery
    • Max seating capacity: 5
    • Power 2-way driver lumbar support
    • Power 2-way passenger lumbar support
    • Power driver seat
    • Power passenger seat
    • Rear seat center armrest
    • Rear seats: split-bench
    • Rear seats Folding position: fold-up cushion
    • Seat Upholstery: leather
    • Split folding rear seat
    • Ventilated front seats
    • Block heater
    • Drive type: four-wheel
    • Engine location: front
    • Fuel economy city: 22mpg
    • Fuel economy combined: 24mpg
    • Fuel economy highway: 26mpg
    • Fuel tank capacity: 24.0gal.
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Rear locking differential
    • Transmission: 10 speed automatic
    • Variable intake manifold
    • Variable valve control
    • Approach angle: 26 deg
    • Departure angle: 23 deg
    • Ground clearance (min): 282mm (11.1")
    • Ramp breakover angle: 21 deg
    • Auto-dimming door mirrors
    • Bedliner
    • Bumpers: body-color
    • Heated door mirrors
    • Hitch Class: IV
    • Left rear passenger door: conventional
    • Power door mirrors
    • Rear cargo: tailgate
    • Rear step bumper
    • Right rear passenger: conventional
    • Skid plates
    • Tailpipe finisher: chrome
    • Trailer hitch
    • Trailer sway control
    • Exterior body width: 2,063mm (81.2")
    • Exterior height: 1,990mm (78.3")
    • Exterior length: 5,916mm (232.9")
    • Front hiproom: 1,544mm (60.8")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,638mm (64.5")
    • Greenhouse Gas Score (GG): 4
    • Rear headroom: 1,019mm (40.1")
    • Rear hiproom: 1,505mm (59.2")
    • Rear legroom: 1,102mm (43.4")
    • Rear shoulder room: 1,626mm (64.0")
    • Turning radius: 7.2m (23.7')
    • Wheelbase: 3,747mm (147.5")
    • Appearance: digital/analog
    • Auto high-beam headlights
    • Blind spot: Trailer Side Blind Zone Alert warning
    • Compass
    • Configurable
    • Delay-off headlights
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
    • Exterior parking camera right
    • Front fog lights
    • Front reading lights
    • Fully automatic headlights
    • Lane departure: Lane Keep Assist with Lane Departure Warning active
    • Low tire pressure warning
    • Oil pressure gauge
    • Outside temperature display
    • Parking sensors: Front and Rear Park Assist front and rear
    • Rain sensing wipers
    • Rear reading lights
    • Rear window defroster
    • 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: Forward Collision Alert with Automatic Braking mitigation
    • Front pedestrian detection: prevention
    • Ignition disable
    • Occupant sensing airbag
    • Overhead airbag
    • Panic alarm
    • Perimeter/approach lights
    • Rear collision: Rear Cross Traffic Braking mitigation
    • Security system
    • Traction control
    Pre-Qualify for Low Finance Rate & 100k Mile Extended Service Plan, 90 Day/3k Mile Limited Warranty, Free Clean CARFAX Report, Autoplex No Haggle Price!

    *** NEW ARRIVAL - More Info & More Photos Coming Soon ***

    This impressive 2026 GMC Sierra 1500 AT4 is a true off-road warrior, packed with premium features that elevate both capability and comfort. Boasting a powerful 3.0L I6 engine paired with a smooth 10-speed automatic transmission, this Sierra AT4 delivers exceptional performance and efficiency, with an impressive 22 city / 26 highway MPG.

    - SUNROOF, POWER
    - TECHNOLOGY PACKAGE (Includes Rear Camera Mirror, Multicolor 15" Diagonal Head-Up Display, and Bed View Camera)
    - ENGINE BLOCK HEATER
    - AT4 PREMIUM PACKAGE (Includes AT4 Preferred Package and Off-Road High Clearance Steps)

    The Sierra AT4's rugged good looks are complemented by a wealth of advanced technology and convenience features, including a premium Bose audio system, wireless charging, and a suite of driver-assist technologies like Automatic Emergency Braking and Lane Keep Assist. With its off-road-tuned suspension, locking rear differential, and protective underbody skid plates, this Sierra AT4 is ready to tackle any adventure with confidence.

    Spacious and well-appointed, the Sierra AT4's interior offers luxurious leather-appointed seating with heating and ventilation, a heated steering wheel, and a large center console with ample storage. The expansive 6.5-foot cargo bed provides ample room for hauling gear, while the available 120-volt power outlet and spray-on bedliner add even more utility.

    Whether you're looking for a capable work truck or an adventure-ready daily driver, this 2026 GMC Sierra 1500 AT4 is an exceptional choice. With low miles, a comprehensive warranty, and a hassle-free buying experience, this Sierra is priced to move fast. Schedule a test drive today and experience the uncompromising power and refinement of the GMC Sierra AT4.

    We perform a quality 125-pt inspection, which means that your Pre-Owned vehicle will be in Top Condition when You Drive it Home. We are a CarFax Advantage Dealer, committed to offering CarFax reports with every used car we sell. Stop shopping and start driving! Our Internet Special is Priced to Move Fast---so act quickly!! ***Call for More Information or to Schedule a Test Drive Today*** Lewisville Autoplex is the pre-owned division of Lewisville Mitsubishi. We have the most diverse inventory than any other franchise dealer in DFW, selling vehicles all across the nation. We provide free airport pickup and can facilitate low cost shipping directly to your door. Financing available in all 50 states! Located ten minutes north of DFW Airport and Downtown Dallas off I-35. Check us out at LewisvilleAutoplex.com.

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    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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    Lewisville Autoplex Mitsubishi 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 Logo0.0out of 5 overall
      Prices do not include additional fees and costs of closing, including government fees and taxes, any finance charges, any dealer documentation fees, any emissions testing fees or other fees. All prices and specifications are subject to change without notice, including to correct typographical errors or omissions. Certain new vehicles advertised may be in transit or not yet at dealer's premises. Vehicle photographs may not represent actual vehicle available for purchase. All advertised vehicles are subject to prior sale and actual dealer availability. Contact dealer for most current information.