Used 2026 GMCSierra 2500HD AT4

  • Diesel
 
    Exterior Color
    Onyx Black
    Interior Color
    Jet Black With Kalahari Accents
    Odometer
    242 miles
    Body/Seating
    Truck/5 seats
    Seats
    5 seats
    Transmission
    10-Speed Automatic
    Drivetrain
    4WD
    Engine
    Duramax 6.6L V8 Turbodiesel
    VIN
    1GT4UPEY3TF267258
    Stock Number
    G260365A
    GMC Sierra 2500HD

    Dealer Notes

    This striking 2026 GMC Sierra 2500HD AT4 in Black combines premium capability with refined comfort. Powered by the formidable Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD, this crew cab delivers both towing authority and everyday versatility. With just 242 miles, it arrives essentially new and ready for serious work or weekend adventures.

    • Power-retractable assist steps in black
    • Max Trailering Package with hitch guidance and in-vehicle app
    • Power sunroof
    • AT4 Preferred Package
    • Snow Plow Prep/Camper Package
    • Engine block heater
    • Premium Bose audio system with SiriusXM 360L CAPABLE
    • Apple CarPlay/Android Auto integration
    • Heated and ventilated leather front seats with power adjusters
    • Wireless smartphone charging and projection

    The interior showcases Jet Black leather with Kalahari accents, heated and ventilated seating, and an advanced infotainment system. Modern safety technology includes automatic emergency braking, lane departure warning, rear cross traffic alert, and HD surround vision camera system. The truck is equipped for serious hauling with the gooseneck/5th wheel prep package, off-road suspension, and hill descent control.

    Schedule your test drive today and experience the capability and refinement this exceptional Sierra represents.

    All vehicles are one of each. All Pre-Owned or Certified vehicles are Used. The offering price of this vehicle is conditioned on a negotiated waiver of implied warranties if the Buyers Guide on the vehicle is AS IS-NO DEALER WARRANTY. If the Buyers Guide on the vehicle is IMPLIED WARRANTIES ONLY, the offering price includes implied warranties. A dealer documentary service fee of up to $200 may be added to the sale price or capitalized cost. All financing is subject to credit approval. Prices exclude tax, title, and license and are valid for Washington residents only. All transactions are negotiable including price, trade allowance, interest rate (of which the dealer may retain a portion), term, and documentary service fee. Any agreement is subject to execution of contract documents. Every reasonable effort is made to ensure the accuracy of this data. Please verify any information in question with a dealership sales representative.

    Highlighted Features

    • Lane departure
    • Leather upholstery
    • Automatic temperature control
    • Emergency communication system
    • Premium audio 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

    Included Packages & Accessories

    • AT4 Preferred Package
    • Gooseneck/5th Wheel Prep Package
    • Max Trailering Package
    • Preferred Equipment Group 4SB
    • Snow Plow Prep/Camper Package
    • X31 Off-Road Package
    • 7 Speakers
    • AM/FM radio: SiriusXM with 360L
    • Bose Premium 7-Speaker Sound System
    • Premium audio system: Premium GMC Infotainment System
    • Radio: AM/FM Stereo with Premium GMC Infotainment System
    • SiriusXM with 360L Trial Subscription
    • Steering Wheel Audio Controls
    • Air Conditioning
    • Automatic temperature control
    • Electric Rear-Window Defogger
    • Front dual zone A/C
    • Rear window defroster
    • 120-Volt Bed Mounted Power Outlet
    • 120-Volt Instrument Panel Power Outlet
    • Driver Memory
    • Memory seat
    • Power driver seat
    • Power steering
    • Power windows
    • Push Button Start
    • Remote keyless entry
    • Remote Vehicle Starter System
    • Steering wheel mounted audio controls
    • Universal Home Remote
    • Manual Tilt-Wheel/Telescoping Steering Column
    • Off-Road Suspension
    • Speed-sensing steering
    • Traction control
    • 4-Wheel Disc Brakes
    • ABS brakes
    • Dual front impact airbags
    • Dual front side impact airbags
    • Emergency communication system: OnStar
    • Front anti-roll bar
    • Front wheel independent suspension
    • Keyless Open and Start
    • Low tire pressure warning
    • Occupant sensing airbag
    • Overhead airbag
    • Power Sunroof
    • Pickup Box
    • Brake assist
    • Electronic Stability Control
    • Lane Departure Warning System
    • Hill Descent Control
    • Auto High-beam Headlights
    • Delay-off headlights
    • Front fog lights
    • Fully automatic headlights
    • Panic alarm
    • Security system
    • Unauthorized Entry Theft-Deterrent System
    • Speed control
    • 2-Speed Active Transfer Case
    • 220-Amp Alternator
    • Engine Block Heater
    • Exhaust Brake
    • Heavy-Duty 80 Amp Battery
    • Auto-dimming door mirrors
    • Bumpers: body-color
    • Front License Plate Kit
    • Gloss Black Header Grille and Grille Insert Bars
    • Heated door mirrors
    • IntelliBeam Automatic High Beam on/Off
    • LED Cargo Area Lighting
    • LED Smoked Amber Roof Marker Lamps
    • Power door mirrors
    • Power-Retractable Black Assist Steps
    • Rear step bumper
    • Rear Wheelhouse Liners
    • Spray-on Pickup Bedliner with GMC Logo
    • Turn signal indicator mirrors
    • Winter Grille Cover
    • 2 Charge-Only Rear USB Ports
    • 2 Charge/Data USB Ports Inside Center Console
    • 2 USB Ports
    • Apple CarPlay/Android Auto
    • Auto-dimming Rear-View mirror
    • Automatic Emergency Braking
    • Bed View Camera with Two Trailer Camera Provisions
    • Buckle to Drive
    • Compass
    • Driver door bin
    • Driver vanity mirror
    • Floor-Mounted Center Console
    • Following Distance Indicator
    • Forward Collision Alert
    • Front Pedestrian Braking
    • Front Premium Floor Liners with Removable Carpet Insert
    • Front reading lights
    • HD Surround Vision
    • Heated steering wheel
    • Illuminated entry
    • OnStar Services Capable
    • Outside temperature display
    • Overhead console
    • Passenger vanity mirror
    • Rear Cross Traffic Alert
    • Rear Premium Floor Liners with Removable Carpet Insert
    • Rear reading lights
    • Rear seat center armrest
    • Tachometer
    • Telescoping steering wheel
    • Tilt steering wheel
    • Trailer Cam Provisions and Trailer Viewing Software
    • Trailer Side Blind Zone Alert
    • Trip computer
    • Ultrasonic Front and Rear Park Assist
    • Voltmeter
    • Wireless Charging
    • Wireless Phone Projection
    • 10-Way Power Driver Seat Adjuster with Lumbar
    • 10-Way Power Passenger Seat Adjuster with Lumbar
    • Front Bucket Seats
    • Front Center Armrest
    • Heated 2nd Row Outboard Seats
    • Heated Driver and Front Outboard Passenger Seats
    • Heated front seats
    • Heated rear seats
    • Perforated Leather-Appointed Front Seat Trim
    • Power passenger seat
    • Safety Alert Seat
    • Split folding rear seat
    • Ventilated Driver and Front Passenger Seats
    • Ventilated front seats
    • Passenger door bin
    • Hitch Guidance with Hitch View
    • in-Vehicle Trailering System App
    • Wheels: 20" High Gloss Black 8 Spokes Aluminum
    • Deep-Tinted Glass
    • Front Rain-Sensing Wipers
    • Power Front Passenger Windows with Express Up/Down
    • Power Sliding Rear Window with Defogger
    • Rain sensing wipers
    • Variably intermittent wipers
    • 3.42 Axle Ratio

    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
    • Heated steering wheel
    • Illuminated entry
    • Memory seat
    • 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
    • Single rear wheels
    • Speed-sensing steering
    • Tires: all-terrain
    • 1st row LCD monitors: 2
    • Premium audio system: Premium GMC Infotainment System
    • Primary LCD size: 13.4"
    • 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
    • Cylinder configuration: V-8
    • Drive type: four-wheel
    • Electric motor 1 torque: none
    • Electric motor horsepower: none
    • Engine liters: 6.6L
    • Engine location: front
    • Fuel tank capacity: 36.0gal.
    • Hybrid electric powertrain type: none
    • Hybrid system combined power torque: none
    • Hybrid system net power: none
    • Hybrid traction battery type: none
    • Manual-shift auto
    • Mode select transmission
    • Rear locking differential
    • Transmission: 10 speed automatic
    • Variable valve control
    • Ground clearance (min): 257mm (10.1")
    • 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
    • Trailer hitch
    • Trailer sway control
    • Turn signal indicator mirrors
    • Engine displacement: 6.6 L
    • Exterior body width: 2,079mm (81.8")
    • Exterior height: 2,027mm (79.8")
    • Exterior length: 6,369mm (250.8")
    • Front hiproom: 1,554mm (61.2")
    • Front legroom: 1,131mm (44.5")
    • Front shoulder room: 1,677mm (66.0")
    • Rear headroom: 1,019mm (40.1")
    • Rear hiproom: 1,530mm (60.2")
    • Rear legroom: 1,102mm (43.4")
    • Rear shoulder room: 1,659mm (65.3")
    • Turning radius: 8.0m (26.3')
    • Wheelbase: 4,039mm (159.0")
    • 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
    • Lane departure: Lane Departure Warning warning
    • Low tire pressure warning
    • Oil pressure gauge
    • Outside temperature display
    • Parking sensors: UltraSonic 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 Alert warning
    • Security system
    • Traction control

    KBB.com Consumer Reviews

    Kelley Blue Book - KBB.com
    Overall0.0Out of 5