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New 2026 GMCSierra 2500 HD AT4

  • Diesel
Located at
Nick Dellen GMC
Location DetailsWebsite
    Exterior Color
    Onyx Black
    Interior Color
    Jet Black
    Body/Seating
    Truck Crew Cab/5 seats
    Seats
    5 seats
    Transmission
    10-Speed Automatic
    Drivetrain
    4x4
    Engine
    V-8 cyl
    VIN
    1GT4UPEY8TF245434
    Stock Number
    26G168
    GMC Sierra 2500 HD

    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

    • Gooseneck/5th Wheel Prep Package
    • Hitch Package
    • 7 Speakers
    • AM/FM radio: SiriusXM with 360L
    • Premium audio system: Premium GMC Infotainment System
    • Radio: AM/FM Stereo with Premium GMC Infotainment System
    • Air Conditioning
    • Automatic temperature control
    • Front dual zone A/C
    • Rear window defroster
    • Memory seat
    • Power driver seat
    • Power steering
    • Power windows
    • Remote keyless entry
    • Steering wheel mounted audio controls
    • 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
    • Low tire pressure warning
    • Occupant sensing airbag
    • Overhead airbag
    • Pickup Box
    • Brake assist
    • Electronic Stability Control
    • Lane Departure Warning System
    • Auto High-beam Headlights
    • Delay-off headlights
    • Front fog lights
    • Fully automatic headlights
    • Panic alarm
    • Security system
    • Speed control
    • 220-Amp Alternator
    • Engine Block Heater
    • Exhaust Brake
    • Heavy-Duty 80 Amp Battery
    • Auto-dimming door mirrors
    • Bumpers: body-color
    • Heated door mirrors
    • IntelliBeam Automatic High Beam on/Off
    • Power door mirrors
    • Rear step bumper
    • Turn signal indicator mirrors
    • Winter Grille Cover
    • Apple CarPlay/Android Auto
    • Auto-dimming Rear-View mirror
    • Automatic Emergency Braking
    • Buckle to Drive
    • Compass
    • Driver door bin
    • Driver vanity mirror
    • Following Distance Indicator
    • Forward Collision Alert
    • Front Pedestrian Braking
    • Front reading lights
    • Heated steering wheel
    • Illuminated entry
    • Outside temperature display
    • Overhead console
    • Passenger vanity mirror
    • Rear reading lights
    • Rear seat center armrest
    • Tachometer
    • Telescoping steering wheel
    • Tilt steering wheel
    • Trip computer
    • Voltmeter
    • Front Center Armrest
    • Heated front seats
    • Heated rear seats
    • Perforated Leather-Appointed Front Seat Trim
    • Power passenger seat
    • Split folding rear seat
    • Ventilated front seats
    • Passenger door bin
    • Hitch Guidance with Hitch View
    • in-Vehicle Trailering System App
    • Alloy wheels
    • Wheels: 20" High Gloss Black 8 Spokes Aluminum
    • Rain sensing wipers
    • Variably intermittent wipers
    • 3.42 Axle Ratio
    • AT4 Preferred Package
    • AT4 Premium Plus Package
    • Preferred Equipment Group 4SB
    • Technology Package
    • X31 Off-Road Package
    • Bose Premium 7-Speaker Sound System
    • SiriusXM with 360L Trial Subscription
    • Steering Wheel Audio Controls
    • Electric Rear-Window Defogger
    • 120-Volt Bed Mounted Power Outlet
    • 120-Volt Instrument Panel Power Outlet
    • Driver Memory
    • Push Button Start
    • Remote Vehicle Starter System
    • Universal Home Remote
    • Manual Tilt-Wheel/Telescoping Steering Column
    • Off-Road Suspension
    • Keyless Open and Start
    • Power Sunroof
    • Hill Descent Control
    • Unauthorized Entry Theft-Deterrent System
    • 2-Speed Active Transfer Case
    • Gloss Black Header Grille and Grille Insert Bars
    • LED Cargo Area Lighting
    • LED Smoked Amber Roof Marker Lamps
    • Off-Road High Clearance Step
    • Rear Wheelhouse Liners
    • Spray-on Pickup Bedliner with GMC Logo
    • 2 Charge-Only Rear USB Ports
    • 2 Charge/Data USB Ports Inside Center Console
    • 2 USB Ports
    • Bed View Camera with Two Trailer Camera Provisions
    • Floor-Mounted Center Console
    • Front Premium Floor Liners with Removable Carpet Insert
    • HD Surround Vision
    • Inside Rearview Auo-Dimming Rear Camera Mirror
    • Multicolor 15" Diagonal Head-Up Display
    • OnStar Services Capable
    • Rear Cross Traffic Alert
    • Rear Premium Floor Liners with Removable Carpet Insert
    • Trailer Cam Provisions and Trailer Viewing Software
    • Trailer Side Blind Zone Alert
    • Ultrasonic Front and Rear Park Assist
    • Wireless Charging
    • Wireless Phone Projection
    • 10-Way Power Driver Seat Adjuster with Lumbar
    • 10-Way Power Passenger Seat Adjuster with Lumbar
    • Front Bucket Seats
    • Heated 2nd Row Outboard Seats
    • Heated Driver and Front Outboard Passenger Seats
    • Safety Alert Seat
    • Ventilated Driver and Front Passenger Seats
    • Deep-Tinted Glass
    • Front Rain-Sensing Wipers
    • Power Front Passenger Windows with Express Up/Down
    • Power Sliding Rear Window with Defogger

    Included Packages & Options

    • AT4 Premium Plus Package$4,035
      • AT4 Preferred Package
      • Power Sunroof
      • Technology Package
      • Off-Road High Clearance Step
    • Technology Package$1,340
      • Inside Rearview Auo-Dimming Rear Camera Mirror
      • Multicolor 15" Diagonal Head-Up Display
    • AT4 Preferred Package$405
      • Universal Home Remote
      • Power Sliding Rear Window with Defogger
      • LED Smoked Amber Roof Marker Lamps
    Included Options
    • Gooseneck/5th Wheel Prep Package$545
    • Hitch Package$375
    • 220-Amp Alternator$150
    • Engine Block Heater$100

    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
    • Basic warranty: 36 months/36,000miles
    • Corrosion perforation warranty: 72 months/100,000miles
    • Maintenance warranty: 12 months/ unlimited distance
    • 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

    Standard Features

    • AT4 Preferred Package
    • Power Sunroof
    • Technology Package
    • Off-Road High Clearance Step
    • Inside Rearview Auo-Dimming Rear Camera Mirror
    • Multicolor 15" Diagonal Head-Up Display
    • Universal Home Remote
    • Power Sliding Rear Window with Defogger
    • LED Smoked Amber Roof Marker Lamps
    • Safety Alert Seat
    • Rear Cross Traffic Alert
    • Trailer Side Blind Zone Alert
    • Wireless Phone Projection
    • Bose Premium 7-Speaker Sound System
    • SiriusXM with 360L Trial Subscription
    • Floor-Mounted Center Console
    • Electric Rear-Window Defogger
    • Push Button Start
    • Remote Vehicle Starter System
    • Keyless Open and Start
    • Front Premium Floor Liners with Removable Carpet Insert
    • Rear Premium Floor Liners with Removable Carpet Insert
    • OnStar Services Capable
    • 120-Volt Instrument Panel Power Outlet
    • 120-Volt Bed Mounted Power Outlet
    • 2 Charge-Only Rear USB Ports
    • 2 USB Ports
    • 2 Charge/Data USB Ports Inside Center Console
    • Spray-on Pickup Bedliner with GMC Logo
    • HD Surround Vision
    • Bed View Camera with Two Trailer Camera Provisions
    • Trailer Cam Provisions and Trailer Viewing Software
    • Heated Driver and Front Outboard Passenger Seats
    • Ventilated Driver and Front Passenger Seats
    • Heated 2nd Row Outboard Seats
    • Deep-Tinted Glass
    • Gloss Black Header Grille and Grille Insert Bars
    • Steering Wheel Audio Controls
    • LED Cargo Area Lighting
    • Manual Tilt-Wheel/Telescoping Steering Column
    • Unauthorized Entry Theft-Deterrent System
    • Power Front Passenger Windows with Express Up/Down
    • Wireless Charging
    • Ultrasonic Front and Rear Park Assist
    • Rear Wheelhouse Liners
    • Front Rain-Sensing Wipers
    • X31 Off-Road Package
    • 2-Speed Active Transfer Case
    • 10-Way Power Driver Seat Adjuster with Lumbar
    • 10-Way Power Passenger Seat Adjuster with Lumbar
    • Driver Memory
    • Hill Descent Control
    • Off-Road Suspension

    Dealer Notes

    AT NICK DELLEN CHEVROLET GMC - WE ONLY ADVERTISE PRICES WITH REBATES THAT EVERYONE QUALIFIES FOR!! - IT'S A BETTER WAY TO BUY YOUR VEHICLE - IT'S THE NICK DELLEN WAY!

    Introducing the 2026 GMC Sierra 2500HD AT4 in striking Blackâ€"a premium heavy-duty truck engineered for serious work and capability. Powered by a Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD, this Sierra delivers the performance and pulling power you need. The AT4 trim brings premium features and an aggressive design that commands attention on any job site or road.

    - Duramax 6.6L V8 Diesel Turbocharged engine
    - AT4 Preferred and Premium Plus Packages with premium appointments
    - Gooseneck/5th Wheel Prep and Hitch Package for versatile towing
    - X31 Off-Road Package with hill descent control and off-road suspension
    - Bose Premium 7-Speaker Sound System with SiriusXM trial subscription
    - Wireless charging, wireless phone projection, and dual USB charging ports
    - Heated and ventilated driver and front passenger seats with power lumbar
    - 20" high-gloss black aluminum wheels with deep-tinted glass
    - Advanced driver assistance including rear cross traffic alert and trailer blind zone alert
    - HD Surround Vision, bed view camera with trailer provisions, and multicolor 15" head-up display

    This AT4 is equipped with premium technology inside and out. The cabin features an auto-dimming rearview mirror, power sunroof, front rain-sensing wipers, and heated and power-adjustable front seats with lumbar support. Safety is paramount with automatic emergency braking, forward collision alert, front pedestrian braking, and a full suite of airbags. The spray-on bedliner with GMC logo, LED cargo area lighting, and rear wheelhouse liners protect your investment.

    With genuine GMC quality and comprehensive equipment, this Sierra 2500HD AT4 is ready for demanding work or spirited weekend adventures. Visit us today to experience the power, capability, and comfort this exceptional truck delivers.

    **Price Does not include Tax, Title, License and Documentary Fee of $260.** Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 09/30/2026

    KBB.com Consumer Reviews

    Kelley Blue Book - KBB.com
    Overall0.0Out of 5
      Privacy
      * The advertised price does not include sales tax, vehicle registration fees, other fees required by law, finance charges, a documentation fee of $250, or other charges * Images, prices, and options shown, including vehicle color, trim, options, pricing and other specifications are subject to availability, incentive offerings, current pricing and credit worthiness.
      MSRP
      $90,530
      Dealer Discount
      -$89,530
      Featured Price
      $1,000
      Add-on
      $89,530
      Doc Fee
      $83,930
      Theft Protection
      Please Call
      Final Price
      $83,670
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