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2026 GMC Sierra 3500 HD Pro Long Box



In Stock
  • $2,500 SAVINGS
    $68,350 Sale Price

  • MSRP: $70,850
  • -$2,000
    • -$500
  • Sale Price $68,350
    • Add. Offers you may Qualify For:
    • -$500
    • -$500
  • *Please Note: We turn our inventory daily, please check with the dealer to confirm vehicle availability.

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Vehicle Information

VIN: 1GT4USEY6TF107684
Stock #: C26041
Model Code: TK30943
  • Condition New
  • Body Style Crew Cab
  • Exterior Color Summit White
  • Interior Color Jet Black, Cloth Seat Trim
  • Engine DIESEL, 8 CYL, 6.6L, DI, V8, TURBO, DURAMAX, GEN 5 VAR. 1
  • Transmission Automatic / 4WD
  • Fuel Type Diesel Fuel

Highlighted Features

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

Dealer Comments

Equipment
See what's behind you with the back up camera on this model. This 2026 GMC Sierra 3500's Lane Departure Warning helps keep you in your lane. This unit has a V8, 6.6L high output engine. Greater towing safety becomes standard with the installed trailer brake. Keep safely connected while in the GMC Sierra with OnStar. You may enjoy services like Automatic Crash Response, Navigation, Roadside Assistance and Hands-Free Calling. This model has four wheel drive capabilities. This unit shines with clean polished lines coated with an elegant white finish. With the keyless entry system on this GMC Sierra you can pop the trunk without dropping your bags from the store. The high efficiency automatic transmission shifts smoothly and allows you to relax while driving. Anti-lock brakes will help you stop in an emergency. This GMC Sierra has a diesel engine. The Electronic Stability Control will keep you on your intended path.

Packages
Preferred Equipment Group 1SA: Remote Keyless Entry; 2-Speed Electronic Shift Transfer Case; Sierra HD Pro Safety; Wireless Phone Projection; Solar Absorbing Tinted Glass; Push Button Start; Chrome Grille with Flat Black Grille Insert Bars; 2 Charge/data USB Ports. Gooseneck/5th Wheel Prep Package. Black Assist Step. Spray-On Pickup Bedliner. Hitch Package. Electric Rear-Window Defogger. LED Smoked Amber Roof Marker Lamps. **Equipment listed is based on original vehicle build and subject to change. Please confirm the accuracy of the included equipment by calling the dealer prior to purchase.**

All Features

  • GMC Infotainment System with color touchscreen
    • 7" diagonal color touchscreen for customizing and managing entertainment and vehicle feature settings1 on Pro 1SA
    • 8" diagonal color touchscreen for customizing and managing entertainment and vehicle feature settings1 on SLE and Elevation
    • Bluetooth®®2 audio streaming for select devices
    • Apple CarPlay™ capability for compatible phones3
    • Android Auto™ capability for compatible phones4
  • Wi-Fi® Hotspot capable
    • Terms and limitations apply. See onstar.com or dealer for details.
    • May require additional optional equipment
  • Bluetooth®®
    • Pair your compatible mobile phone to your vehicle's infotainment system1
    • Place and receive hands-free phone calls
    • Store your phone's contact list in the system to place an outgoing call quickly using the touch-screen display or voice command system
    • With streaming audio capability, you can listen to files stored on your phone or Bluetooth® digital media device
  • Wireless phone projection
    • For Apple CarPlay1 and Android Auto2
  • 6-speaker audio system
    • Speakers are positioned throughout the cabin for outstanding sound quality and an enjoyable listening experience
  • Chrome front bumper
    • May require additional optional equipment
  • Standard tailgate
  • Solar-absorbing glass
    • Helps minimize the amount of solar rays entering the vehicle cabin
  • Tailgate and bed rail protection caps
  • Manual Tailgate
  • Locking tailgate
  • LED signature taillamp, with LED stop and reverse light
  • Black beltline moldings
  • Chrome rear bumper
    • With integrated CornerSteps
    • May require additional optional equipment
  • Spare tire carrier lock
    • Helps keep spare tire secure
  • Black door handles
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • IntelliBeam
    • At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions
  • Side Bed Step
    • Black textured step pads help provide secure footing
    • Integrated on forward portion of outer bed on driver and passenger side to provide ease of access to forward portion of the bed
  • Cargo tie-downs
    • 12-fixed rated at 500 lbs. per corner
  • Grille, Chrome with flat black grille insert bars
  • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
  • Black outside vertical trailering mirrors
    • Lower convex mirrors
    • Manual folding/extending
    • Extends 3.31-inches
  • CornerStep rear bumper
    • Helps make it easier to get into and out of the pickup bed
    • Located at each end of the rear bumper
    • Textured step pads to help provide secure footing
  • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
  • Spray-on bedliner
    • Provides a Black, textured, non-skid surface that helps protect the bed and minimizes cargo shifting
    • Covers the entire bed surface below side rails, front box top rail, gauge hole plugs and tie-downs
    • Chemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight seal
    • Does not include spray-on liner on tailgate due to Black composite inner panel
    • Includes GMC logo on all trims except PRO
  • 17" LT235/80R17E all-terrain, blackwall spare tire
  • Painted center caps
  • 17" LT235/80R17E all-terrain, blackwall tires
    • May require additional optional equipment
  • Black Work steps
    • Steps make it easier to get in and out of your truck
    • Ribbed surface helps provide secure footing
  • Winter Grille Cover
    • May require additional optional equipment
  • 17" painted steel wheels
  • Summit White
  • Front license plate bracket
    • Front bracket is included if displaying a front license plate is required in your state
  • Smoked Amber LED roof marker lamps
    • Roof-mounted lamps near the front of the cab
  • Seat trim, Vinyl
  • Assist handles
    • Front A-pillar mounted for Driver and Passenger
    • Rear B-pillar mounted
  • Manual tilt steering column
    • Allows the steering wheel to be manually adjusted up or down
    • Provides extra comfort when entering or exiting the vehicle
    • Locking security feature
  • 4-way manual driver seat
  • 3.5" diagonal monochromatic Driver Information Center
  • Power windows with rear express-down
  • Power windows with front passenger express-down
    • Quickly lowers the window with the touch of a button
    • If an obstruction is detected, the anti-pinch feature will auto-reverse
  • Power windows with driver express-up/down
    • Quickly raises the window or lowers it with the touch of a button
    • If an obstruction is detected, the anti-pinch feature will auto-reverse
  • Inside rearview manual day/night mirror
    • Adjust the tilt of the mirror to help reduce glare during nighttime driving
  • Cruise control
    • Maintains a selected speed while driving
    • Automatically disengages when the vehicle's traction control system needs to limit wheelspin on slippery surfaces or when the StabiliTrak® stability control system detects an oncoming skid
    • Set and resume speed functions
    • Steering-wheel mounted controls to easily maintain and manage cruising speed
  • Outside temperature display
    • Located in infotainment display
  • 12-volt auxiliary front power outlet
    • May require additional optional equipment
  • Power door locks
    • Allows you to lock and unlock doors easily whether it's from the driver or front passenger seat or from outside using the key fob (when equipped)
  • 40/20/40 split-bench front seat with under-seat storage
    • Seating for up to 3
    • Driver and front passenger seatbacks recline
    • Head restraints at the outboard seating positions
    • Center seatback that doubles as a fold-down armrest with storage
  • 60/40 split-folding rear bench seat
    • Includes child seat top tether anchor
    • Can fold one or both sides up
  • 4-way manual front passenger seat
  • Remote Keyless Entry
    • Allows you to lock and unlock doors of the vehicle with the key fob
    • Driver's door or all doors unlock at the touch of a button
    • Includes panic alarm button
    • Includes remote locking tailgate
    • May require additional optional equipment
  • Single-zone manual climate control
    • Maintains a selected temperature
  • Compass
    • Located in instrument cluster
  • Steering wheel
  • Rear air vents
    • Provides cabin comfort for rear occupants
  • Rubberized vinyl floor covering
    • Provides good traction and convenient cleanup
  • Rear window defogger
    • Utilizes a warming grid to help remove fog or frost from the rear window
  • Jet Black, Cloth seat trim
  • Pickup bed
    • Roll-formed high-strength steel
    • Includes bed assist step
  • Four wheel drive
  • Integrated trailer brake controller
    • Integrated with the antilock brake system (ABS)
    • Helps provide measured brake force signaling to electric-controlled trailer brake systems
    • Trailer gain and output are displayed in the Driver Information Center
  • 4-wheel antilock disc brakes
    • Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
    • DuraLife brake rotors feature a hardened surface to reduce corrosion and provide quieter braking with less vibration. DuraLife rotors are hardened and strengthened during the manufacturing process
    • Brake system features a corrosion-fighting process called Ferritic Nitro-Carburizing (FNC) which can double rotor life expectancy and reduce or minimize rust over non-FNC coated rotors
  • Electronic shift 2-speed transfer case with push button controls
    • System shift smoothly between drive settings to handle a variety of road conditions
    • 2WD High for most on-road and highway situations
    • 4WD High for snowy or wet roads when added traction is needed
    • 4WD Low for deep sand, mud or snow to provide maximum torque to all 4 wheels
    • May require additional optional equipment
  • Heavy-Duty Air Filter
    • Thick construction helps to trap more dirt before it can enter the air intake
  • Brake pad wear indicator
  • Fully boxed frame
    • Hydroformed front section
    • High-strength steel
  • Push Button Start
  • Automatic locking rear differential
    • When the differential senses a significant difference in wheel speed, it locks to turn both rear wheels in unison for added traction
    • The Eaton® Locker senses a difference in wheel speed of approximately 100 rpm
  • Suspension Package
    • Designed to help maintain handling and ride quality while towing a trailer or carrying a load
  • Steering
    • Recirculating Ball with smart flow power steering system
  • Black vertical recovery hooks
    • Two front frame-mounted1
  • Gooseneck / 5th Wheel Prep Package
    • Hitch platform to accept Gooseneck or 5th wheel hitch
    • Hitch platform with tray to accept ball and stamped box holes with caps installed
    • Box mounted 7-pin trailer harness
    • May require additional optional equipment
  • 14,000 lbs. GVWR
    • When properly equipped; includes weight of vehicle, passengers, cargo and equipment
  • Dual Rear Wheels includes LED hip marker lights
  • Emissions, Federal requirements
  • Heavy-duty 730 cold-cranking amps battery
    • 70 Amp-hr
    • Maintenance-free with rundown protection and retained accessory power
  • 220-amp alternator
    • May require additional optional equipment
  • Sierra HD Pro Safety
    • Forward Collision Alert1
    • Following Distance Indicator1
    • Front Pedestrian Braking1
    • IntelliBeam
    • Lane Departure Warning1
    • Buckle to Drive
    • Automatic Emergency Braking1
  • Trailering Package
    • Trailer hitch1
    • Trailering hitch platform
    • Includes a 2.5" receiver hitch (with 2" insert), 4-pin and 7-pin connectors
    • 7-wire electrical harness and 7-pin sealed connector for connecting your trailer's lights and brakes to your vehicle
    • Hitch Guidance2
    • May require additional optional equipment
  • Pro Preferred Equipment Group includes standard equipment
  • Gooseneck Hitch Package
    • Gooseneck ball
    • Chain tiedown kit with case
    • May require additional optional equipment
  • Trailering Information Label
    • Provides max trailer ratings for tongue weight, conventional, gooseneck hitch and 5th wheel hitch
  • LED Daytime Running Lamps
  • Signature LED Daytime Running Lamps
  • Lane Departure Warning
    • Alerts you when it detects that you are unintentionally drifting out of detected lane lines1
    • System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your lane
  • Forward Collision Alert
    • Warns you if it detects a potential collision with a detected vehicle you're following so you can take action1
    • Can also provide a tailgating alert if you're following a vehicle much too closely
  • OnStar® services capable
    • See onstar.com for details and limitations. Services vary by model. Service plan required.
  • OnStar Basics
    • Drive confidently with core OnStar services including1
      • Remote commands
      • Built-in voice assistance
      • Real-time traffic and navigation
      • Automatic Crash Response
  • 6 airbags
    • Dual-stage frontal airbags for driver and front outboard passenger1
    • Seat-mounted side-impact airbags for driver and front outboard passenger1
    • Head-curtain airbags for outboard seating positions1
    • Includes front outboard Passenger Sensing System for frontal outboard passenger airbag and illuminates a status light that indicates whether the airbag is on or off1
  • Seat Belt Adjustable Guide Loops
    • Front row only
  • Teen Driver
    • Helps encourage safe driving habits for teens by providing an in-vehicle report card1
    • Activates certain safety systems, if equipped, when a Teen Driver-designated key fob is used
    • Mutes the radio until the front-seat occupants fasten their seat belts
  • Rear Seat Belt Indicator
  • Following Distance Indicator
    • Displays the following time in seconds between your vehicle and a detected vehicle in front of you1
    • Designed to help you maintain a safe following distance
  • Rear Seat Reminder
    • Helps to remind the driver to check the back seat(s) before leaving the vehicle1
    • Activates when rear doors are opened and closed up to 10 minutes before or anytime while your vehicle is on
    • Under certain conditions, once the vehicle is switched off, designed to sound audible chimes and display a visual message within the driver display
    • Activates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
  • Hitch Guidance
    • When in Reverse, displays a centered guideline on the Rear Vision Camera view1
    • Can help you line up the hitch to your trailer
    • When driving, lets you check the trailer using Rear Vision Camera view
  • Buckle to Drive
    • Helps remind the driver to buckle their seat belt before driving by preventing the vehicle from being shifted out of PARK temporarily when the driver's seat belt is not buckled
    • The feature also reminds the front passenger to buckle up, if equipped
  • HD Rear Vision Camera
    • Shows high-resolution digital image of area directly behind your vehicle while in Reverse1
    • Can help you park or avoid vehicles and objects
    • You can also display an overlay of where your vehicle is heading
    • Tailgate must be in the raised position for the HD Rear Vision Camera to operate properly
    • May require additional optional equipment
  • Front Pedestrian Braking
    • At speeds between 5 and 50 mph, can help you avoid or reduce the severity of a collision with a pedestrian it detects directly in front of you1
    • Provides pedestrian alerts and can automatically provide hard emergency braking or enhance driver's hard braking
    • Limited nighttime and low visibility performance
  • Tire Pressure Monitoring System with Tire Fill Alert
    • Monitors tire pressure and alerts of an under-inflated condition in one or more of the tires1
    • Provides visual and audible alerts outside the vehicle when inflating an under inflated tire to the recommended tire pressure
  • Automatic Emergency Braking
    • Can help you avoid or reduce the severity of a collision with a detected vehicle you're following using camera technology1
    • Can automatically provide hard emergency braking or enhance your hard braking
    • Works at speeds between 5 and 50 mph

Gooseneck / 5th Wheel Prep Package

    LPO, Hitch Package


      • DriveType
        • DriveType: Four Wheel Drive
      • Fuel Economy
        • City: 0 MPG
        • Hwy: 0 MPG
        • Combined: 0 MPG
      • Fuel System
        • Fuel System: Direct Injection
      • Fuel Tank Capacity
        • Fuel Tank Capacity: 36 gal
      • Fuel Type
        • Fuel Type: Diesel Fuel
      • Horse Power
        • Horse Power: 470
      • Rear Wheel
        • Rear Wheel: Dual
      • Trailering Capacity
        • Trailering Capacity: 20000 lbs

      Warranty

      • Corrosion: 3 Years/36,000 Miles Rust-Through 6 Years/100,000 Miles
      • Roadside Assistance: 5 Years/60,000 Miles 3.0L & 6.0L Duramax® Turbo-Diesel Engines, And Certain Commercial, Government, And Qualified Fleet Vehicles: 5 Years/100,000 Miles
      • Drivetrain: 5 Years/60,000 Miles 3.0L & 6.0L Duramax® Turbo-Diesel Engines, And Certain Commercial, Government, And Qualified Fleet Vehicles: 5 Years/100,000 Miles
      • Warranty: <<< Preliminary 2026 Warranty >>>
      • Basic: 3 Years/36,000 Miles
      • Maintenance: First Visit: 12 Months/12,000 Miles
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      The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.