New 2026 GMCSierra 1500 AT4

  • Diesel
    Exterior Color
    Summit White
    Interior Color
    Jet Black with Kalahari accents, Perforated leathe
    Body/Seating
    Truck/5 seats
    Fuel Economy
    22/26 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4WD
    Engine
    3.0L Duramax® Turbo Diesel engine
    VIN
    3GTUUEE83TG379495
    Stock Number
    B260741
    GMC Sierra 1500

    Included Packages & Accessories

    Dealer Notes

    Discover the ultimate off-road companion with this 2026 GMC Sierra 1500 AT4. Engineered to conquer any terrain, this rugged truck is built to take you further.

    -
    - Spray-on Pickup Bedliner with GMC Logo
    - Off-Road Suspension
    - Power Rake and Telescoping Steering Column
    - Bed Mounted Side Assist Handle
    - Black Chrome Grille Insert Bars
    - Off-Road High Clearance Step
    - 4-Wheel Disc Brakes
    - Hitch Guidance
    - Hitch View
    - in-Vehicle Trailering System App
    - Integrated Trailer Brake Controller
    - Red Recovery Hooks
    - Hill Descent Control
    - Trailering Package
    - AT4 Preferred Package
    - AT4 Premium Package


    This 2026 Sierra 1500 AT4 is more than just a truck it's a rugged, capable companion ready to tackle any adventure. With its powerful 3.0L I6 engine and 4WD drivetrain, you'll have the muscle to conquer the toughest terrain. The premium Bose sound system and intuitive GMC Infotainment system keep you connected and entertained on the road. And with features like the spray-on bedliner, off-road suspension, and integrated trailer brake controller, this AT4 is equipped to handle any job or adventure you throw its way.

    The Sierra 1500 AT4 offers exceptional comfort and convenience, too. Heated and ventilated front seats, a heated steering wheel, and dual-zone climate control ensure a premium driving experience, while the wireless charging pad and 120V power outlets keep your devices powered up. Advanced safety technologies like Automatic Emergency Braking, Lane Keep Assist, and Rear Cross Traffic Braking provide added peace of mind.

    This 2026 GMC Sierra 1500 AT4 is the ultimate blend of capability, technology, and comfort. With its rugged good looks and exceptional off-road performance, it's ready to take you further than ever before. Schedule a test drive today and experience the power of the Sierra 1500 AT4 for yourself.

    Prices may change at any time and are subject to availability and prior sale. Taxes, title, license fees, and a $180 documentation fee are not included. Pricing reflects all applicable rebates and incentives assigned to the dealer. Example payments are estimates; actual terms vary based on credit approval. APR and payment estimates apply to qualified buyers, not all buyers qualify for advertised rates. Factory cash incentives may not be combined with promotional APR. Fuel economy ratings and driving range figures are based on EPA estimates for new vehicles, and actual mileage and range may vary. Some in-stock vehicles may include a $1,295 Clear Guard Protection package By submitting your phone number online, you consent to occasional SMS or voice calls about our products and promotions; standard messaging rates may apply. Consult dealer for offer eligibility and other details. Factory MSRP is not the final advertised/asking price of the vehicle. Fuel economy figures are EPA estimates. Price includes: $1750 - Purchase Allowance $2500 - Trade Assistance $500 - Bonus Cash

    Detailed Specifications

    • 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
    • Garage door transmitter
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • Moonroof sunshade: manual
    • Navigation system
    • Overhead console
    • Passenger door bin
    • Passenger vanity mirror
    • Power moonroof
    • 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 tires: 275/60SR20.0
    • Front wheel independent suspension
    • Power steering
    • Rear tires: 275/60SR20.0
    • Speed-sensing steering
    • Tires: all-terrain
    • Wheel size: 20"
    • 1st row LCD monitors: 2
    • AM/FM radio: SiriusXM with 360L
    • Primary LCD size: 13.4"
    • Radio data system
    • Satellite radio trial duration with new vehicle purchase (months): 3
    • 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
    • Basic warranty: 36 months/36,000miles
    • Corrosion perforation warranty: 72 months/100,000miles
    • Diesel engine warranty: 60 months/100,000miles
    • Maintenance warranty: 12 months/ unlimited distance
    • Powertrain warranty: 60 months/60,000miles
    • Roadside assistance coverage: 60 months/60,000miles
    • 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
    • Compressor: intercooled turbo
    • Cylinder configuration: I-6
    • Drive type: four-wheel
    • Engine liters: 3.0L
    • Engine location: front
    • Fuel economy city: 22mpg
    • Fuel economy combined: 24mpg
    • Fuel economy highway: 26mpg
    • Fuel tank capacity: 24.0gal.
    • Horsepower: 305hp @ 3,750RPM
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Number of valves: 24
    • Rear locking differential
    • Recommended fuel: Diesel
    • Standard fuel economy fuel type: diesel
    • Torque: 495 lb.-ft. @ 2,750RPM
    • 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
    • Compression ratio: 15.00 to 1
    • Curb weight: 2,495kg (5,500lbs)
    • Engine bore x stroke: 84.0mm x 90.0mm (3.31" x 3.54")
    • Engine displacement: 3.0 L
    • Engine torque: 495 lb.-ft. @ 2,750RPM
    • Exterior body width: 2,063mm (81.2")
    • Exterior height: 1,990mm (78.3")
    • Exterior length: 5,916mm (232.9")
    • Front headroom: 1,013mm (39.9")
    • Front hiproom: 1,544mm (60.8")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,638mm (64.5")
    • GVWR: 3,266kg (7,200lbs)
    • Greenhouse Gas Score (GG): 4
    • Payload: 757kg (1,670lbs)
    • 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")
    • Towing capacity: 3,992kg (8,800lbs)
    • 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 cargo
    • 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
    • Heads up display
    • 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
    • Tracker system: Stolen Vehicle Assistance
    • Traction control
    Delivery Truck
    In Transit
    McGrath Buick GMC