2026 GMC Sierra 1500 AT4

  • Used
Market Value Price
$70,525
Discount
-$6,025
Sale Price
$64,500
Documentation Fee
$798
Williams Price
$65,298
Williams Buick GMC
Location Details
Call 704-247-6490
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    The overview

    Exterior Color
    Sterling Metallic
    Interior Color
    Jet Black with Kalahari accents, Perforated leathe
    Odometer
    3,085 miles
    Fuel Economy
    15/19 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4WD
    Engine
    6.2L EcoTec3 V8 engine
    VIN
    3GTUUEEL7TG308935
    Stock Number
    G260151A
    • Show Me the CARFAX 1-Owner Badge
    • 3-point seatbelt : Rear seat center 3-point seatbelt
    • ABS Brakes : 4-wheel antilock (ABS) brakes
    • Auto headlights : Auto on/off headlight control
    • Auto high-beam headlights : IntelliBeam auto high-beam headlights
    • Blind spot : Trailer Side Blind Zone Alert blind spot warning
    • Brake assist system : Automatic Emergency Braking predictive brake assist system
    • Brake type : 4-wheel disc brakes
    • Cab mounted cargo light : Cab mounted cargo light
    • Camera : HD Surround Vision w/Hitch View aerial view camera
    • Child door locks : Manual rear child safety door locks
    • Configurable instrumentation gauges : Configurable instrumentation gauges
    • Delay off headlights : Delay-off headlights
    • Distance alert : Following Distance Indicator
    • Electronic stability control : StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
    • Fog lights : LED front fog lights
    • Forward collision warning : Forward Collision Alert with Automatic Braking
    • Front camera : Front mounted camera with washer
    • Front impact airbag driver : Driver front impact airbag
    • Front impact airbag passenger : Passenger front impact airbag
    • Front side impact airbag driver : Seat mounted side impact driver airbag
    • Front side impact airbag passenger : Seat mounted side impact front passenger airbag
    • Gauge cluster display size (inches) : Gauge cluster display size: 12.30
    • Head up display : Head-up display
    • Headlight type : Projector beam headlights
    • Headlights : LED low and high beam headlights
    • High mount stop light : High mounted center stop light
    • Hill control : Hill Descent Control (HDC)
    • Hill start assist : Hill Start Assist (HSA)
    • Illuminated entry : Illuminated entry
    • Immobilizer : Immobilizer
    • Instrumentation display : Digital/analog instrumentation display
    • Interior courtesy lights : Fade interior courtesy lights
    • LED brake lights : LED brake lights
    • Lane departure : Lane Keep Assist with Lane Departure Warning
    • Left camera : Left side camera
    • Low tire pressure warning : Tire specific low air pressure warning
    • Multiple headlights : Multiple enclosed headlights
    • Number of airbags : 6 airbags
    • Occupancy sensor : Airbag occupancy sensor
    • Overhead airbags : Curtain first and second-row overhead airbags
    • Parking sensors : Front and Rear Park Assist front and rear parking sensors
    • Pedestrian detection : Front Pedestrian Braking
    • Perimeter approach lighting : Remote activated perimeter approach lighting with puddle lights
    • Pickup box camera : Pickup box camera
    • Rain detecting wipers : Rain detecting wipers
    • Rear camera : HD Rear Vision Camera w/Hitch View rear mounted camera
    • Rear collision warning : Rear Cross Traffic Braking collision mitigation
    • Rear pedestrian detection : Rear Pedestrian Alert rear pedestrian detection warning
    • Remote panic alarm : Remote panic alarm
    • Restricted driving mode/alerts : Teen Driver restricted driving mode/alerts
    • Right camera : Right side camera
    • Running lights : LED daytime running lights
    • Seatbelt pretensioners : Front seatbelt pretensioners
    • Seatbelt pretensioners number : 2 seatbelt pre-tensioners
    • Security system : Security system
    • Vehicle tracker : Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
    • Video rearview mirror : Video-feed rearview mirror
    • Air conditioning : Yes
    • Armrests front center : Front seat center armrest
    • Armrests rear : Rear seat center armrest
    • Cabback insulator : Cabback insulator
    • Climate control : Automatic climate control
    • Console insert material : Metal-look console insert
    • Cooled front seats : Ventilated driver and front passenger seats
    • Door panel insert : Simulated wood and metal-look door panel insert
    • Door trim insert : Vinyl door trim insert
    • Driver lumbar : Driver seat with 2-way power lumbar
    • Driver seat direction : Driver seat with 8-way directional controls
    • Dual-zone front climate control : Dual-zone front climate control
    • Floor coverage : Full floor coverage
    • Floor covering : Full carpet floor covering
    • Floor mats : Rubber front and rear floor mats with carpet inserts
    • Folding rear seats : 60-40 folding rear seats
    • Front head restraint control : Manual front seat head restraint control
    • Front head restraints : Height adjustable front seat head restraints
    • Front passenger lumbar : Front passenger seat with 2-way power lumbar
    • Front seat upholstery : Leather front seat upholstery
    • Front seatback upholstery : Plastic front seatback upholstery
    • Gearshifter material : Metal-look gear shifter material
    • Headliner coverage : Full headliner coverage
    • Headliner material : Cloth headliner material
    • Heated front seats : Heated driver and front passenger seats
    • Heated rear seats : Heated rear seats
    • Heated steering wheel : Heated steering wheel
    • Interior accents : Chrome interior accents
    • Number of memory settings : 2 memory settings
    • Panel insert : Metal-look instrument panel insert
    • Passenger seat direction : Front passenger seat with 8-way directional controls
    • Power driver seat controls : Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
    • Power passenger seat controls : Passenger seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
    • Rear console climate control ducts : Rear console climate control ducts
    • Rear head restraint control : 2 rear seat head restraints
    • Rear head restraint control : Manual rear seat head restraint control
    • Rear head restraints : Height adjustable rear seat head restraints
    • Rear seat folding position : Fold-up rear seat cushion
    • Rear seat upholstery : Vinyl rear seat upholstery
    • Rear seatback upholstery : Carpet rear seatback upholstery
    • Rear seats : Split-bench rear seat
    • Rear seats fixed or removable : Fixed rear seats
    • Seating capacity : 5
    • Split front seats : Bucket front seats
    • Steering wheel material : Leatherette steering wheel
    • Steering wheel telescopic : Power telescopic steering wheel
    • Steering wheel tilt : Power tilting steering wheel
    • Tinted windows : Deep tinted windows
    • Voice activated climate control : Voice-activated climate control
    • Accessory power : Retained accessory power
    • Adaptive cruise control : Adaptive cruise control with stop and go
    • All-in-one key : All-in-one remote fob and ignition key
    • Auto door locks : Auto-locking doors
    • Auto-dimming door mirror driver : Auto-dimming driver side mirror
    • Battery charge warning : Battery charge warning
    • Beverage holders : Front beverage holders
    • Beverage holders rear : Rear beverage holders
    • Brake pad warning : Brake pad wear indicator
    • Built-in virtual assistant : Google Built-In built-in virtual assistant
    • Capless fuel filler : Capless fuel filler
    • Clock : Digital clock
    • Compass : Compass
    • Cruise control : Cruise control with steering wheel mounted controls
    • Day/Night rearview mirror : Day/Night rearview mirror
    • Door ajar warning : Door ajar warning
    • Door bins front : Driver and passenger door bins
    • Door bins rear : Rear door bins
    • Door locks : Power door locks with 2 stage unlocking
    • Door mirror with tilt-down in reverse : Power driver and passenger door mirrors with tilt down in reverse
    • Driver foot rest : Driver foot rest
    • Driver information center : Driver information center
    • Easy lift tailgate : EZ Lift
    • Easy lower tailgate : EZ Lower
    • Engine hour meter : Engine hour meter
    • Engine temperature warning : Engine temperature warning
    • Engine/electric motor temperature gauge : Engine/electric motor temperature gauge
    • Exterior 120V AC power outlet : 1 exterior 120V AC power outlet
    • First-row windows : Power first-row windows
    • Floor console : Full floor console
    • Floor console storage : Covered floor console storage
    • Fob engine controls : Keyless Open/Keyless Start with hands-free access and push button start
    • Folding door mirrors : Power folding door mirrors
    • Front reading lights : Front reading lights
    • Full gauge cluster screen : Full gauge cluster screen
    • Garage door opener : Garage door opener
    • Glove box : Locking glove box
    • Headlights on reminder : Headlights on reminder
    • Heated door mirrors : Heated driver and passenger side door mirrors
    • Ignition type : Push-button
    • Inclinometer : Inclinometer
    • Integrated tailgate step : Integrated tailgate step
    • Interior 120V AC power outlets : 1 interior 120V AC power outlet
    • Key in vehicle warning : Key in vehicle warning
    • Keyfob cargo controls : Keyfob trunk control
    • Keyfob keyless entry : Keyfob keyless entry
    • Keyfob remote start : Keyfob remote start
    • Keyfob window controls : Keyfob window control
    • Low level warnings : Low level warning for oil, coolant, fuel, washer fluid and brake fluid
    • Memory settings : Memory settings include: door mirrors
    • Number of beverage holders : 8 beverage holders
    • Oil pressure gauge : Oil pressure gauge
    • Oil pressure warning : Oil pressure warning
    • One-touch down window : Front and rear one-touch down windows
    • One-touch up window : Driver and passenger one-touch up windows
    • Overhead console : Mini overhead console
    • Passenger doors rear left : Conventional left rear passenger door
    • Passenger doors rear right : Conventional right rear passenger door
    • Rear cargo door : MultiPro Tailgate tailgate
    • Rear reading lights : Rear reading lights
    • Rear seat check warning : Rear Seat Reminder rear seat check warning
    • Rear seat direction : Front facing rear seat
    • Rear window defroster : Rear window defroster
    • Rear windshield : Power rear windshield
    • Rearview mirror : Auto-dimming rear view mirror
    • Seatback storage pockets : 2 seatback storage pockets
    • Second-row windows : Power second-row windows
    • Service interval warning : Service interval indicator
    • Smart device remote start : Smart device remote start
    • Speedometer : Redundant digital speedometer
    • Steering mounted audio control : Steering wheel mounted audio controls
    • Tachometer : Tachometer
    • Tailgate control : Tailgate/power door lock
    • Temperature display : Exterior temperature display
    • Tire pressure : Tire Fill Alert tire pressure fill assist
    • Transmission fluid temperature warning : Transmission fluid temp warning
    • Transmission temperature gauge : Transmission fluid temperature gauge
    • Trip computer : Trip computer
    • Trip odometer : Trip odometer
    • Turn signal warning : Turn signal on warning
    • Under seat tray rear : Rear under seat tray
    • Variable panel light : Variable instrument panel light
    • Visor driver mirror : Driver visor mirror
    • Visor illuminated driver mirror : Illuminated driver visor mirror
    • Visor illuminated passenger mirror : Illuminated passenger visor mirror
    • Visor passenger mirror : Passenger visor mirror
    • Voltmeter : Voltmeter
    • Weight capacity alert : GCW Alert weight capacity alert
    • Wipers : Variable intermittent front windshield wipers
    • Wireless device charging : Front wireless smart device charging
    • Bed liner : Spray-in pickup bed liner
    • Bed-rail protectors : Pickup bed-rail protectors
    • Body panels : Galvanized steel/aluminum body panels with side impact beams
    • Box style : Standard style pickup box
    • Bumper rub strip front : Black front bumper rub strip
    • Bumpers front : Body-colored front bumper
    • Bumpers rear : Body-colored rear bumper
    • Door handle material : Body-colored door handles
    • Door mirror style : Black door mirrors
    • Door mirror type : Standard style side mirrors
    • Fenders : Black fender flares
    • First-row sunroof : First-row sliding and tilting glass sunroof with express open/close activation sunshade
    • Grille style : Dark chrome grille
    • In-box lighting : LED in-box lighting
    • Number of doors : 4 doors
    • Paint : Metallic paint
    • Rear bumper step : CornerStep rear bumper step
    • Side steps : Side assist steps
    • Skid plate : 2 underbody skid plates
    • Spare tire : Full-size spare tire with steel wheel
    • Spare tire location : Crank-down spare tire
    • Special paint : Monotone paint
    • Tires : P275/60SR20 AT BSW front and rear tires
    • Tow hooks front : 2 front tow hooks
    • Towing brake controller : Trailer brake controller
    • Towing class : Class IV tow rating
    • Towing hitch : Trailer hitch
    • Towing hitch light : Trailer hitch light
    • Towing trailer sway : Trailer sway control
    • Towing wiring harness : Trailer wiring harness
    • Trailer light malfunction warning : Trailer light malfunction warning
    • Trailer light test : Trailer light test
    • Trailer theft alarm : Trailer theft alarm
    • Vehicle and trailer reverse assist : Vehicle and trailer reverse assist with visual graphic guidance only
    • Vehicle to trailer hitching assist : Vehicle to trailer hitching assist
    • Wheels : 20 x 9-inch front and rear machined w/painted accents aluminum wheels
    • Window Trim : Black side window trim
    • Emissions : LEV3-ULEV50 emissions
    • Amplifier : Amplifier
    • Antenna : Fixed audio antenna
    • External memory : Premium GMC Infotainment System external memory control
    • Internet radio capability : Internet radio capability
    • Number of first-row screens : 2 total number of 1st row displays
    • Primary display size : 13.4 inch primary display
    • Primary display touchscreen : Primary monitor touchscreen
    • RDS : Radio data system (RDS)
    • Radio : AM/FM/SiriusXM with 360Lsatellite
    • Satellite trial : 3 month satellite trial subscription
    • Seek scan : Seek scan
    • Speakers : Bose speakers
    • Speakers number : 7 speakers
    • Voice activated audio : Premium GMC Infotainment System voice activated audio controls
    • Wireless streaming : Bluetooth wireless audio streaming
    • 4WD type : AutoTrac part and full-time 4WD
    • ABS Brakes : Four channel ABS brakes
    • Alternator Type : Alternator
    • Battery run down protection : Battery run down protection
    • Battery type : Heavy-duty lead acid battery
    • Block heater : Engine block heater
    • Cylinder head material : Aluminum cylinder head
    • Displacement liters : 6.2 L
    • Drive type : Four-wheel drive
    • Electronic parking brake : Electronic parking brake
    • Engine : EcoTec3 6.2L V-8 gasoline direct injection, variable valve control, premium unleaded, engine with cylinder deactivation and 420HP
    • Engine Configuration : V8
    • Engine Location : Front mounted engine
    • Engine Mounting direction : Longitudinal mounted engine
    • Engine Short : EcoTec3 6.2L V-8
    • Engine block material : Aluminum engine block
    • Engine cooler : Engine oil cooler
    • Front anti-roll : Front anti-roll bar
    • Fuel Type : Premium unleaded
    • Horsepower : 420 HP @5600 RPM
    • Ignition : Spark ignition system
    • Lock-up transmission : Lock-up transmission
    • Locking hub control : Auto locking hub control
    • Multi-mode exhaust : Multi-mode exhaust
    • Overdrive transmission : Overdrive transmission
    • Powertrain type : ICE
    • Radiator : Radiator
    • Rear Springs : Regular grade rear springs
    • Rear locking differential : Automatic rear locking differential
    • Selectable mode transmission : Selectable mode transmission
    • Sequential shift control : Sequential shift with steering wheel controls
    • Shock absorbers : Gas-pressurized shock absorbers
    • Speed sensitive steering : Speed sensitive power steering
    • Springs front : Front coil springs
    • Springs rear : Rear leaf springs
    • Start-stop engine : Auto stop-start engine
    • Steering : Electric power-assist steering system
    • Steering type : Rack-pinion steering
    • Suspension : Off-road ride suspension
    • Suspension ride type front : Independent front suspension
    • Suspension ride type rear : Rigid axle rear suspension
    • Suspension type front : Short and long arm front suspension
    • Suspension type rear : Leaf spring rear suspension
    • Tailpipe : Stainless steel quasi-dual exhaust with chrome tailpipe finisher
    • Traction control : All-speed ABS and driveline traction control
    • Transfer case : Electronic transfer case shift
    • Transmission : 10-speed automatic
    • Transmission Type : Automatic
    • Transmission electronic control : Transmission electronic control
    • Transmission oil cooler : Transmission oil cooler
    • Two-Speed Transfer Case : Two-Speed Transfer Case
    • Valves per cylinder : 2
    • Ventilated brakes : Front and rear ventilated disc brakes
    • Emergency SOS Capable : OnStar vehicle integrated emergency SOS system
    • Handsfree : Bluetooth handsfree wireless device connectivity
    • Integrated navigation : Integrated navigation system with voice activation
    • Internet access : Wi-Fi Hotspot capable mobile hotspot internet access
    • Mobile app access : MyGMC Mobile App mobile app access
    • Smart device integration : Apple CarPlay/Android Auto smart device wireless mirroring
    • Turn-by-turn nav : OnStar Turn-by-Turn Navigation
    • USB ports : 6 USB ports
    Certification Program Details: This CarBravo Certified Pre-Owned vehicle isn't just good-looking it's been through a rigorous 134-point inspection to earn its badge. It's backed by a 12-month/12,000-mile bumper-to-bumper limited warranty that kicks in after the original manufacturer warranty ends so in many cases, you're covered even longer. Add in competitive financing rates that often match new car offers and 24/7 roadside assistance, and it's got your back from day one. You'll also get a CARFAX® Vehicle History Report and a 7-day/500-mile exchange policy, just in case you change your mind (but we bet you won't). Drive with confidence the Williams Way.

    This 2026 GMC Sierra 1500 AT4 in Silver combines capability with refined comfort. With the AT4 Premium Package and Technology Package, you're getting premium features designed for both on-road confidence and off-road readiness.

    - EcoTec3 6.2L V8 engine with Dynamic Fuel Management and dual sport-mode active exhaust
    - Power sunroof for open-air driving enjoyment
    - Rear camera mirror with multicolor 15 diagonal head-up display and bed view camera
    - Premium Bose 7-speaker sound system with SiriusXM 360L trial subscription
    - Wireless Apple CarPlay and Android Auto integration
    - Heated and ventilated leather front seats with 10-way power adjustment and lumbar support
    - Heated second row outboard seats for passenger comfort
    - Off-road suspension with auto-locking rear differential and hill descent control
    - Off-road high clearance steps for easier entry and exit
    - Ultrasonic front and rear park assist with 360-degree surround vision
    - Automatic emergency braking with lane keep assist and lane departure warning
    - Trailer side blind zone alert and integrated trailering system
    - Wireless charging pad for device convenience
    - Remote vehicle starter system and keyless open and start
    - 20-inch machined aluminum wheels

    The AT4 delivers genuine off-road capability with its specialized suspension tuning, electronic locking rear differential, and hill descent control. These features work together to provide traction and control on challenging terrain while maintaining the refinement expected from a premium truck.

    As a CarBravo Certified Pre-Owned vehicle, this Sierra has been thoroughly inspected and reconditioned to meet strict quality standards. Every system has been verified to perform as intended, giving you the confidence that comes with certified protection and warranty coverage that extends your peace of mind.

    The interior reflects thoughtful design with leather-appointed seating, dual-zone automatic climate control, and comprehensive technology integration. The head-up display keeps vital information within your line of sight, while the wireless charging and multiple USB ports keep your devices powered throughout the day. Premium floor liners protect the cabin, and the spray-on bedliner safeguards your payload area.

    With 15 city MPG and 19 highway MPG, this truck balances the power of its V8 engine with reasonable efficiency for a vehicle of this capability and size. The 10-speed automatic transmission delivers smooth power delivery across all driving conditions.

    This 2026 Sierra 1500 AT4 represents a compelling choice for buyers seeking a certified truck that combines luxury features, proven reliability, and genuine off-road capability. We invite you to schedule a test drive and experience the refined performance this truck delivers.

    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

    A name you can trust

    Williams Buick GMC is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
    More about us

    KBB.com Consumer Reviews

    Kelley Blue Book Logo0.0out of 5 overall
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        Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

        1Dealer Discount applied to everyone

        CarBravo Benefits


        Certified Used Vehicles: Enjoy peace of mind knowing that all CarBravo vehicles are inspected and certified by Certified Service Technicians through our rigorous Multi-Point Inspection.1

        IMPORTANT RECALL INFORMATION: Before a CarBravo vehicle is listed or sold, GM requires dealers to complete all safety recalls. However, because even the best processes can break down, we encourage you to check the recall status of any vehicle through your GM account and NHTSA.

        Standard Limited Warranty: Every certified used vehicle comes equipped with a Standard Limited Warranty2 to help you feel confident in your purchase and on the road.

        • Vehicles with less than 10 model years and 100,000 miles get 12-Month/12,000-Mile Bumper-To-Bumper Limited Warranty3 coverage with no deductible.
        • Non-GM vehicle coverage terms different in the state of California. See dealer for details
        • Vehicles greater than 10 and less than 15 model years and/or greater than 100,000 and less than 150,000 miles get 30-Day/1,000-Mile Powertrain Limited Warranty4 coverage.

        Certified Service Centers: There are 3,800+ Certified Service Centers nationwide, so you can get your vehicle serviced or repaired no matter where you drive.

        24-Hour Roadside Assistance: Should your vehicle need a tow or jump, help is just a call away with Roadside Assistance.5

        Courtesy Transportation: If your vehicle needs warranty repair, your CarBravo dealer will make sure you have alternative transportation or reimburse you for a temporary vehicle with Courtesy Transportation.6

        Vehicle Exchange Program: Not feeling your ride? Bring it on back with our 10-Day/500-Mile Vehicle Exchange Program7