0.061868190765381
Used 2026 GMC Sierra HD for sale in Harvey
7 photos
Accident Free
No reported accidents
Vehicle Details
5 km
Automatic
4WD
Diesel
6.6L Duramax Turbo-Diesel V8 eng
Unknown
Pickup
Owners
Make GMC
Model Sierra HD
Year 2026
Trim AT4
Series 2500
Engine Cylinders 8
Body Class Pickup
What was with this car history VIN 1GT4UPEY6TF294227?
Popular features
SiriusXM Trial Subscription
May require additional optional equipment
Customize and manage entertainment and vehicle feature setting
Use control and manage select smartphone apps through the Infotainment system
Voice-activated technology for phone
SiriusXM with 360L transforms your ride with our most extensive and personalized radio experience on the road that lets you enjoy ad-free music talk and news live sports comedy podcasts and more
Experience SiriusXM wherever you go in your vehicle and on the SiriusXM app with personalization features to make discovering your perfect entertainment easier than ever before
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
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
Provides added protection from sun and glare
Grille (Gloss Black header and grille insert bars with Black Chrome accents.)
Body-color door handles
When turned on will automatically clear the windshield when sensors detect varying degrees of precipitation on the windshield
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
20" high gloss Black aluminum wheels
Provides light to find cargo in the bed
Black beltline moldings
Activated by switch located on center switch bank
Illuminates the cargo bed area
Helps keep spare tire secure
Chrome mirror caps
AT4 and AT4X features high gloss Black mirror caps
Power folding/extending
Lower convex mirrors
Heated upper glass
Integrated turn signal indicators
Puddle lamps
Perimeter lighting
Auxiliary lighting
Extends 3.31-inches
High gloss Black mirror caps
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
Body-color front bumper
12-fixed rated at 500 lbs. per corner
LED taillamps with LED stop lights and animation
Help protect your truck's rear wheelhouse area from damage caused by dirt rocks mud road salt and the weather
Hitch area lighting
Tailgate and bed rail protection caps
Six function tailgate designed to help improve loading unloading and accessing the cargo box
Power lock and release
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
LED fog lamps
With integrated CornerSteps
Textured step pads help provide secure footing
Retracts when not in use
Deploy Running Board mode for car wash cleaning
LED perimeter lighting
Available in (Summit White White Frost Tricoat Onyx Black Volcanic Red Tintcoat or Sterling Metallic)
20" LT275/65R20 BF Goodrich off-road T/A K blackwall tires
Opens over the first row at the push of a button
Retracts into the roof
Offers tilt and slide features with express-open and -close
Sterling Metallic
Roof-mounted lamps near the front of the cab
Hard Folding Truck Bed Cover by RealTruck Advantage
Provides cabin comfort for rear occupants
With the press of a button the steering wheel quickly heats up to provide additional comfort on a cold day
If no vehicle is detected in your path works like regular cruise control
You can always override the feature and take control
Adaptive Cruise Control is compatible with Trailering. It is important to ensure your trailer has functioning brakes while trailering with heavier loads. Read your Owner's Manual to review Trailer Brake requirements and to learn more about the limitations of this system.
3-prong auxiliary household-style outlet
Located on the instrument panel
Makes it convenient for powering laptops phone chargers and other electronic devices
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
Separate buttons on the climate control panel allow you to choose from 3 levels of fan circulation
Individually controlled
Cooling feature includes both seatbacks and cushions
Press memory button 1 or 2 to program and recall preferences
Quickly raises the window or lowers it with the touch of a button
If obstruction is detected the anti-pinch feature will auto-reverse
Sounds the horn and flashes the turn signals when someone attempts to open the vehicle without the proper key or remote transmitter
Helps deter unauthorized entry helping to protect your vehicle
With the key fob in your possession lock and unlock your car's doors by pressing the button on a front exterior door handle increasing convenience
Lockout protection helps you avoid locking keys in the vehicle
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)
Includes 8-way power driver seat
Includes a 2-way power lumbar control
Premium front floor liners with removable carpet insert
Includes driver personalization warning messages and vehicle information
Replaces traditional analog gauges with fully reconfigurable high definition cluster layout
High definition display provides crisp premium appearance
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Allow the driver to easily operate the audio system and phone interface controls
If an obstruction is detected the anti-pinch feature will auto-reverse
Automatically maintains the selected temperatures for both the driver and front passenger
Allows individual climate settings for both driver and front passenger
Driver and front passenger can choose a temperature up to 30 degrees difference
Convenient charging location
Customers can charge their smartphones while they drive without connecting to any cables
Located in instrument cluster
Includes 8-way power front passenger seat
Premium rear floor liners with removable carpet insert
Automatically dims the inside rearview mirror when it senses bright light from behind
When headlamp glare is no longer detected the mirror returns to its normal state
Seat trim Perforated front Leather
60/40 Full-length folding bench seat
Seatback storage on left and right side
Center fold out armrest with 2 cupholders
Underseat storage (full cab width)
Power windows with rear express-down
Located in the pickup bed
Wrapped steering wheel
Allows the driver to adjust the steering wheel up or down and the steering column forward or back
Utilizes a warming grid to help remove fog or frost from the rear window
Located in infotainment display
Includes reconfigurable feature with cupholders cell phone storage power cord management and file holder capacity
At the touch of a button you can warm the cushions
Provide comfort in cold weather for passengers in the rear outboard seating positions
Passengers can manage heat settings with their own controls
Separate buttons on the climate control panel allow you to choose from 3 levels of warmth
At the touch of a button you can warm the cushions and seatbacks with multilevel temperature control
Seats can be programmed to automatically warm up when it's cold out
Multi-color 15" diagonal Head-Up Display
Can select key vehicle information to display including an off-road inclinometer
Adjustable vertical position and brightness of the display
3-channel programmable
Conveniently activates compatible devices such as garage door openers security systems and home automation devices from inside your vehicle
Jet Black with Kalahari accents Perforated Front Leather seat trim
The feature also allows brightness vertical tilt and zoom adjustments
Utilizes a warming grid to remove fog or frost from the rear window
The window switch is conveniently located in the overhead console for easy 1-touch operation
Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
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
Thick construction helps to trap more dirt before it can enter the air intake
Uses antilock braking to help provide a smooth controlled descent
Helps driver maintain control of the vehicle without depressing the brake pedal
Activates by pushing a button below the instrument panel
Brake pad wear indicator
Hydroformed front section
High-strength steel
Push Button Start
When the differential senses a significant difference in wheel speed it locks to turn both rear wheels in unison for added traction
Roll-formed high-strength steel
Includes bed assist step
This system automatically adjusts steering based on speed road conditions and other inputs to help reduce driver fatigue
Help protect the front underbody oil pan and transfer case
Trailer maintenance reminders
Trailer security alerts
Trailer mileage
Tow/haul reminder
Trailer electrical diagnostics
Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed
Four wheel drive
4-button control 2WD Auto 4WD 4WD LO
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
When in AUTO mode remains in 2WD mode until the system detects wheel slippage
Automatically engages 4WD until traction is regained
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
70 Amp-hr
Maintenance-free with rundown protection and retained accessory power
When properly equipped; includes weight of vehicle passengers cargo and equipment
Emissions Federal requirements
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
Hitch Guidance with Hitch View
In-vehicle Trailering App
Off-Road suspension
Hill Descent Control
Skid plates
Twin-tube Rancho shocks
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
IntelliBeam
Buckle to Drive
Universal Home Remote
Rear sliding power window
LED roof marker lamps
AT4 Preferred Equipment Group includes standard equipment
AT4 Preferred Package
Power sunroof
Technology Package
AT4 high clearance step
AT4 Preferred Package on AT4
Option/package discount
LED Daytime Running Lamps
Signature LED Daytime Running Lamps
System alerts do not occur if you're using your turn signal or it detects you may be intentionally leaving your lane
Can also provide a tailgating alert if you're following a vehicle much too closely
Provides max trailer ratings for tongue weight conventional gooseneck hitch and 5th wheel hitch
Front row only
Can help you park or avoid vehicles and objects
You can also display a guideline to show where your vehicle is heading
Tailgate must be in the raised position for the HD Rear Vision Camera to operate properly
Requires Auxiliary Trailer Camera if one of the following camera views is desired: Transparent Trailer Rear Trailer View Picture-in-Picture or Inside Trailer View
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
Remote commands
Built-in voice assistance
Real-time traffic and navigation
Automatic Crash Response to help if you're in need
Provides visual and audible alerts outside the vehicle when inflating an under inflated tire to the recommended tire pressure
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
Allows driver to see inside the cargo bed on the infotainment display to help with 5th wheel or gooseneck hitching and to check cargo
Includes 2 Trailer Camera Provisions
Designed to help you maintain a safe following distance
In Reverse the view can be used to line up your hitch to your trailer
When driving the view can be used to check your trailer hitch
Shifting to Park automatically engages the Electric Parking Brake (if equipped)
Includes connector for accessory wiring harness
These can help you park and avoid collisions
Can help you line up the hitch to your trailer
When driving lets you check the trailer using Rear Vision Camera view
Rear Seat Belt Indicator
You can also switch to beeping crash avoidance alerts
Provides pedestrian alerts and can automatically provide hard emergency braking or enhance driver's hard braking
Limited nighttime and low visibility performance
Can automatically provide hard emergency braking or enhance your hard braking
Works at speeds between 5 and 50 mph
AT4 Premium Plus Package
Gooseneck / 5th Wheel Prep Package -- Hitch platform to accept Gooseneck or 5th Wheel hitch.
Seller description
Welcome to Legacy Westbank Buick GMC. It's our pleasure to assist you with the purchase of your new or Pre-owned vehicle. Weather you purchase a brand new vehicle, Certified Pre-owned vehicle or a trade in vehicle, you can feel assured that this vehicle has been inspected by our ASE Certified mechanics and has a market based price to ensure this vehicle sells fast at a fair deal. We have a one of a kind car buying process, it's designed to be fast, friendly and fair with the customer in mind. So be sure to stop at Legacy Westbank Buick GMC, and let one of our Product Specialist help find your next ride. There's a level of quality and refinement in this GMC Sierra 2500HD AT4 that you won't find in your average vehicle. Where do you want to go today? With 4WD, you can choose to drive virtually anywhere and on terrain 2WD vehicles can't handle. The look is unmistakably GMC, the smooth contours and cutting-edge technology of this GMC Sierra 2500HD AT4 will definitely turn heads. This is about the time when you're saying it is too good to be true, and let us be the one's to tell you, it is absolutely true.
Legacy West Bank Buick GMC
958 miles away from you!
Location: 3611 lapalco blvd., harvey, LA 70058
Phone: (150) 466-2174
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Estimated Ownership Cost
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Frequently Asked Questions About the 2026 GMC Sierra HD
The average price of a used 2026 GMC Sierra HD is $69,222 based on 23,000 listings currently available nationwide. Prices range from $10,000 to $111,945 depending on mileage, condition, and location. This particular Sierra HD in Harvey, LA is listed at $82,990.
Used 2026 GMC Sierra HD vehicles on our marketplace have an average of 14,593 miles. This specific vehicle has 3 miles on the odometer. You can compare mileage across all available units on the GMC Sierra HD listings page.
Reliability varies by model year, maintenance history, and driving conditions. We recommend checking the vehicle history report and having an independent inspection before purchase.
The 2026 GMC Sierra HD runs on Diesel. Exact fuel economy figures vary by trim level and driving conditions. Check fueleconomy.gov for EPA estimates specific to this model year.
There are 769,898 used Pickup vehicles priced under $100,000 currently listed on our marketplace. Browse all options on the Used Pickup under $100,000 page. You can also narrow your search to Used GMC vehicles under $100,000 if you prefer to stay with the GMC brand.
