2026 GMC Sierra 1500 AT4

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$75,650MSRP
$73,199Sale Price
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Hertrich Buick GMC of Seaford
Location Details
Call 302-990-8736
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    The overview

    Exterior Color
    Onyx Black
    Interior Color
    Jet Black with Kalahari accents, Perforated leathe
    Body/Seating
    Truck/5 seats
    Fuel Economy
    15/19 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4WD
    Engine
    6.2L EcoTec3 V8 engine
    VIN
    1GTUUEEL3TZ335579
    Stock Number
    G26330

    The highlights

    • Navigation system
    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Emergency communication system
    • Power moonroof
    • Wireless phone connectivity
    • Parking sensors
    • Exterior parking camera front
    • Exterior parking camera left
    • Exterior parking camera right
    • Exterior parking camera rear

    Included Dealer Accessories, Add-ons and Upfits

    • Accessory Fees - Accessory Fees Disclosure - n/a
    • 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: Not Available
    • Cylinder configuration: V-8
    • Cylinder deactivation
    • Drive type: four-wheel
    • Engine liters: 6.2L
    • Engine location: front
    • Fuel economy city: 15mpg
    • Fuel economy combined: 24mpg
    • Fuel economy highway: 19mpg
    • Fuel tank capacity: 24.0gal.
    • Horsepower: 420hp @ 5,600RPM
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Number of valves: 16
    • Rear locking differential
    • Recommended fuel: Premium Unleaded
    • Standard fuel economy fuel type: gasoline
    • Torque: 460 lb.-ft. @ 4,100RPM
    • 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: 11.50 to 1
    • Curb weight: 2,454kg (5,410lbs)
    • Engine bore x stroke: 103.3mm x 92.0mm (4.07" x 3.62")
    • Engine displacement: 6.2 L
    • Engine torque: 460 lb.-ft. @ 4,100RPM
    • 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: 3,221kg (7,100lbs)
    • Greenhouse Gas Score (GG): 4
    • Payload: 753kg (1,660lbs)
    • 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: 4,082kg (9,000lbs)
    • 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
    KEY FEATURES INCLUDE
    Leather Seats, 4x4, Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat GMC AT4 with Onyx Black exterior and Jet Black with Kalahari accents interior features a 8 Cylinder Engine with 420 HP at 5600 RPM*.

    OPTION PACKAGES
    TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display (Includes (UVN) Bed View Camera.), ENGINE, 6.2L ECOTEC3 V8 (420 hp [313 kW] @ 5600 rpm, 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring Dynamic Fuel Management, SUNROOF, POWER, AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote and (A48) rear sliding power window, AUDIO SYSTEM, 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE, INCLUDES COLOR TOUCH-SCREEN, MULTI-TOUCH DISPLAY, AM/FM STEREO Bluetooth® streaming audio for music and most phones; featuring wireless Android Auto® and Apple CarPlay® capability for compatible phones (STD), TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED with overdrive, and tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking.

    WHO WE ARE
    Family owned and operated, Hertrich Buick-GMC has been your Delmarva GMC dealer since 1964! We are located in the heart of the Delmarva Peninsula at 26953 Sussex Highway, Seaford, Delaware and serve as your Buick-GMC dealer with a state of the art GM Certified Sales & Service Department. As your gateway to the best buying experience you will ever have, we at Hertrich Buick-GMC know that price is important that's why we will beat out the competition time and time again with our aggressive pricing.

    Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.

    Peace of mind

    Factory warranty

    36 months/36,000miles from the vehicle's original in-service date

    A name you can trust

    Hertrich Buick GMC of Seaford 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
      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

      Please contact dealer as additional discounts and incentives may be available. Select incentives may be subject to financing with the manufacturer; financing is subject to credit approval.

      All new vehicle Hertrich sales pricing includes all discounts, available manufacturer rebates, and incentives. Residency restrictions may apply. All vehicle pricing excludes tax, tags, and dealer doc fee of $799 in Delaware, $799 in Maryland, and $749 in New Jersey.

      We make every effort to provide accurate information, but please verify options and price before purchasing. All vehicles are subject to prior sale. All prices are special internet prices only. All financing is subject to approved credit.

      While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with The Hertrich Family of Automobile Dealerships.