2026 GMC Sierra 3500HD AT4



  • $78,943 Wyatt Johnson Ford Price

  • Retail Price: $80,898
  • Wyatt Johnson Ford Price: $78,943
  • Not all listed options may be available on specific models. See dealer for details.

  • *Please Note: We turn our inventory daily, please check with the dealer to confirm vehicle availability.

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Vehicle Information

VIN: 1GT4UVEY7TF177678
Stock #: TTF177678G
Model Code: TK30743
  • Condition Used
  • Body Style 4D Crew Cab
  • Exterior Color Summit White
  • Interior Color Jet Black With Kalahari Accents
  • Mileage 5,769
  • Engine 8 Cyl - 6.6 L
  • Transmission 10-Speed Automatic
  • Fuel Type Diesel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

Meet this powerful 2026 GMC Sierra 3500HD AT4, a premium heavy-duty crew cab ready to tackle any challenge on or off the road. Finished in clean white exterior with jet black leather accents, this diesel-powered truck combines rugged capability with refined comfort. The legendary Duramax 6.6L V8 turbodiesel paired with a 10-speed automatic and 4WD delivers the performance and control you demand.

- Duramax 6.6L V8 Turbodiesel with 220-amp alternator and exhaust brake
- Technology Package with GMC Premium 13.4 display and wireless charging
- Gooseneck/5th wheel prep package for heavy towing applications
- Black power-retractable assist steps and black badging package
- AT4 Preferred Package with off-road suspension and all-terrain capability
- Heated and ventilated leather front seats with 10-way power adjustment
- Bose premium 7-speaker sound system with SiriusXM satellite radio
- HD Surround Vision with trailer camera provisions
- Console-mounted safe and rear underseat storage
- Heavy-duty front spring/camper package with engine block heater

This AT4 is equipped with comprehensive safety features including automatic emergency braking, forward collision alert, and rear cross-traffic alert to keep you protected. The truck's interior blends luxury with functionality, featuring premium leather trimmed seats, heated steering wheel, and dual-zone automatic climate control. Advanced technology such as the 15 head-up display, wireless phone projection, and hitch guidance with hitch view enhances every drive. Don't miss the opportunity to own this meticulously maintained Sierra 3500HD—visit us today to experience its commanding presence and cutting-edge features firsthand.

Eligible Benefits

All Features

  • AT4 Preferred Package
  • Black Badging Package
  • Gooseneck/5th Wheel Prep Package
  • Heavy Duty Front Spring/Camper Package
  • Preferred Equipment Group 4SB
  • Technology 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 Front Windows with Passenger Express Up/Down
  • 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 Services capable
  • Front anti-roll bar
  • Front wheel independent suspension
  • Keyless Open and Start
  • Low tire pressure warning
  • Occupant sensing airbag
  • Overhead airbag
  • Pickup Bed
  • Brake assist
  • Electronic Stability Control
  • Lane Departure Warning System
  • Exterior Parking Camera Rear
  • 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-Hour Battery
  • Auto-dimming door mirrors
  • Black GMC Emblems
  • Black Power-Retractable Assist Steps
  • Black Sierra Nameplates
  • Bumpers: body-color
  • Gloss Black Header 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
  • 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
  • Auto-Dimming Inside Rearview Mirror with Camera
  • Auto-dimming Rear-View mirror
  • Automatic Emergency Braking
  • Bed View Camera with Two Trailer Camera Provisions
  • Buckle to Drive
  • Compass
  • Console-Mounted Safe
  • Driver door bin
  • Driver vanity mirror
  • Floor-Mounted Center Console
  • Following Distance Indicator
  • Forward Collision Alert
  • Front Pedestrian Braking
  • Front reading lights
  • GMC Premium 13.4" Diagonal Information Display
  • HD Surround Vision
  • Heated steering wheel
  • Illuminated entry
  • Multicolor 15" Diagonal Head-Up Display
  • Outside temperature display
  • Overhead console
  • Passenger vanity mirror
  • Premium Front Floor Liners with Removable Carpet Insert
  • Premium Rear Floor Liners with Removable Carpet Insert
  • Rear Cross Traffic Alert
  • Rear reading lights
  • Rear seat center armrest
  • Rear Underseat Storage
  • Safety Alert Seat
  • Tachometer
  • Telescoping steering wheel
  • Tilt steering wheel
  • Trailer Camera Provisions
  • 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 Front Leather Seat Trim
  • Power passenger seat
  • Split folding rear seat
  • Ventilated Driver and Front Passenger Seats
  • Ventilated front seats
  • Passenger door bin
  • Hitch Guidance with Hitch View
  • Alloy wheels
  • Set of 4 Wheel Locks
  • Wheels: 20" High Gloss Black 8 Spoke Aluminum
  • Deep-Tinted Glass
  • Front Rain-Sensing Wipers
  • Power Sliding Rear Window with Defogger
  • Rain sensing wipers
  • Variably intermittent wipers
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If provided, Advertised Price EXCLUDES all optional dealer offered items, accessories, or product addendums optionally selected by the purchaser, and official government charges, taxes and fees. Further, dealership charges a document processing fee of $899 regulated by TCA 55-17-114 and federal law, included in Advertised Price. Advertised prices INCLUDE factory-installed options installed by the manufacturer, and non-optional dealer-installed accessories already installed on the vehicle by the dealer at time of advertising. For new vehicles, advertised price also includes MSRP and factory transportation costs. By submitting your information, you consent to receive all forms of communication including but not limited to phone, text, email, mail, etc. Message and data rates may apply. Consent to these terms is not a condition of purchase. You may opt out at any time. MPG based on model year EPA mileage ratings. Use for comparison purposes only. Certain discounts and incentives may be available to all of the general public, or may have certain conditions, such as being financed through a required specific lender, call Dealer for details or see disclosures herein. Certain used vehicles may be subject to important Wholesale to the Public disclosures provided to you prior to purchase; please consider carefully before your purchase decision. If made, references to the dealer’s Lifetime Limited Powertrain Warranty (LLPW) only relate to vehicles that qualify for such LLPW due to age and mileage status.