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Legacy GMC · Slidell, LA

2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4

6 miles · truck · Price dropped $2,000

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 1500
Trim4-Wheel AT4
Stock number26G2456
Mileage6 miles
BodyPickup
Engine3.0L 6-cyl turbo
Displacement3.0L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
MPG22 city / 26 hwy
ExteriorSterling Metallic
Towing8700

Vehicle description

This 2026 GMC Sierra 1500 AT4 is proudly offered by Legacy Buick GMC This GMC includes: STERLING METALLIC TECHNOLOGY PACKAGE Back-Up Camera Heads-Up Display AT4 PREMIUM PACKAGE Running Boards/Side Steps TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED Transmission w/Dual Shift Mode A/T 10-Speed A/T ENGINE, DURAMAX 3.0L TURBO-DIESEL I6 Diesel Fuel Straight 6 Cylinder Engine Turbocharged *Note - For third party subscriptions or services, please contact the dealer for more information.* Pull up in the vehicle and the valet will want to parked on the front row. This GMC Sierra 1500 AT4 is the vehicle others dream to own. Don't miss your chance to make it your new ride. When GMC created this vehicle with 4 wheel drive, they immediately enhanced the performance ability. Easily switch between two and four wheel drive to take advantage of the improved traction. The GMC Sierra 1500 AT4 will provide you with everything you have always wanted in a car -- Quality, Reliability, and Character. Dealer Disclosure: Prices do not include state and local tax, title, license, notarial fees, convenience fees, documentary fees, and any finance charges. All prices, specifications and availability subject to change without notice. Contact dealer for most current information .Not available with special finance, lease and some other offers.

Features & options (250)

  • Adaptive Cruise Control
  • Bluetooth®
  • Heated Steering Wheel
  • Remote Start
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Keyless Entry
  • Leather Seats
  • Wi-Fi Hotspot
  • Emergency Brake Assist
  • Lane Departure Warning
  • Lane Keep Assist
  • Wireless Phone Charging
  • Blind Spot Monitor
  • Forward Collision Warning
  • Navigation System
  • Parking Assistance
  • Rear View Camera
  • Tow Hitch/Tow Package
  • Automatic Climate Control
  • Entertainment System
  • Turbo Charged Engine
  • Premium Sound System
  • Steering-wheel mounted controls
  • May require additional optional equipment
  • 13.4" diagonal GMC Premium Infotainment System with Google built-in
  • Bluetooth® streaming audio for music and select phones
  • Wireless Apple CarPlay capability for compatible phones
  • Wireless Android Auto capability for compatible phones
  • Customize and manage entertainment and vehicle feature setting
  • Voice-activated technology for phone
  • Place and receive hands-free phone calls
  • SiriusXM with 360L Trial Subscription
  • Wi-Fi Hotspot capable
  • SiriusXM Trial Subscription
  • Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones
  • Can use Apple CarPlay and Android Auto wirelessly
  • Rear wheelhouse liners
  • Body-color front bumper
  • GMC MultiPro Tailgate
  • Heated, power, driver-side auto-dimming, power-folding outside mirrors
  • Puddle lamps
  • Perimeter lighting
  • Memory setting
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • Utilizes the same key as the door and ignition
  • 20" machined aluminum wheels with Carbon Grey Metallic accents
  • LED projectors with Fade-on/ Fade-off animation, LED turn signals and Daytime Running Lamps
  • CornerStep rear bumper
  • Located at each end of the rear bumper
  • Textured step pads to help provide secure footing
  • Body-color door handles
  • Body-color rear bumper
  • Cargo bed LED lighting
  • Provides light to find cargo in the bed
  • Rear pillar lamps
  • Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
  • Tailgate and bed rail protection caps
  • IntelliBeam
  • Deep-tinted glass
  • Provides added protection from sun and glare
  • Tailgate with EZ Lift assist, power lock & release
  • Hitch area lighting
  • 17" full-size spare steel wheel with Black finish
  • Black mirror caps
  • Spray-on bedliner
  • Includes logo on all trims except PRO
  • 17" 255/80R17SL all-season, blackwall spare tire
  • Rainsense automatic wipers
  • LED fog lamps
  • Help minimize glare in adverse driving conditions
  • 20" 275/60R20SL all-terrain, blackwall tires
  • Grille (Black chrome grille insert bars with gloss black header and accents.)
  • Cab-mounted cargo area lamps
  • With switch in switch bank left of the steering wheel
  • Illuminates the cargo bed area
  • Off-Road High Clearance Steps
  • Textured step pads help provide secure footing
  • Power sliding rear window with rear defogger
  • Power sunroof
  • Retracts into the roof
  • Offers tilt and slide features with express-open and -close
  • Sterling Metallic
  • Theft-deterrent unauthorized entry system
  • Helps deter unauthorized entry, helping to protect your vehicle
  • Driver memory
  • Premium front floor liners with removable carpet insert
  • Keyless Open and Start
  • 12.3" diagonal color Driver Information Center
  • Power tilt and telescoping steering column
  • Use the driver memory to save and recall memory settings
  • Provides extra comfort when entering or exiting the vehicle
  • In-Vehicle Trailering App
  • Checklist
  • Trailer light sequencing
  • Trailer maintenance reminders
  • Trailer security alerts
  • Trailer mileage
  • Tow/haul reminder
  • Trailer electrical diagnostics
  • Front bucket seats
  • Includes center console
  • You can always override the feature and take control
  • Power windows with rear express-down
  • USB ports
  • (2) Data/charge ports located inside center console
  • Front center console
  • Rear air vents
  • Provides cabin comfort for rear occupants
  • Rear window defogger
  • Up-level rear seat with storage package
  • 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)
  • Assist handles
  • Front A-pillar mounted for Driver and Passenger
  • Rear B-pillar mounted
  • 10-way power front passenger seat
  • Forward and back
  • Up and down
  • Tilt seat cushion back and upright
  • Recline seatback up and down
  • Includes 2-way power lumbar
  • (2) Charge ports located on rear of console
  • Power windows
  • Front passenger with express-up/down
  • Seat trim, Perforated leather front
  • 120-volt box-mounted power outlet
  • 3-prong auxiliary household-style outlet
  • Located in the pickup bed
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • Driver with express-up/down
  • Wrapped steering wheel
  • Compass
  • Located in instrument cluster
  • 10-way power driver seat with power lumbar
  • Moves the seat forward and back, and up and down
  • Tilt the seat cushion and seatbacks
  • (2) First row, located on console
  • Carpeted floor covering
  • Color-keyed to match the interior
  • Heated driver and front outboard passenger seats
  • Individually controlled
  • 120-volt power outlet
  • Located on the instrument panel
  • 13.4" diagonal multicolor reconfigurable Infotainment screen
  • Steering column lock, electrical
  • Premium rear floor liners with removable carpet insert
  • Heated rear outboard seats
  • Power door locks
  • Programmable
  • Ventilated driver and front passenger seats
  • Cooling feature includes both seatbacks and cushions
  • Wireless Charging
  • Uses induction technology for portable electronic devices
  • Convenient charging location at the front of the center console
  • Device may require optional case for phones that are compatible
  • Outside temperature display
  • Located in infotainment display
  • Jet Black with Kalahari accents, Perforated leather front seat trim
  • Universal Home Remote
  • 3-channel programmable
  • Head-Up Display
  • Multi-color 15" diagonal Head-Up Display
  • Adjustable vertical position and brightness of the display
  • Rear Camera Mirror
  • The feature also allows brightness, vertical tilt and zoom adjustments
  • 7,200 lbs. GVWR
  • 4-wheel antilock disc brakes
  • Cargo tie-downs (12)
  • Automatic locking rear differential
  • 220-amp alternator
  • Heavy-duty 850 cold-cranking amps battery
  • 95 Amp-hr
  • Maintenance-free with rundown protection and retained accessory power
  • Off-Road, 2-inch factory-installed lift
  • Monotube Rancho shocks
  • Provides more ground clearance
  • Improved approach and departure angles
  • Fully boxed frame
  • Hydroformed front section
  • High-strength steel
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • 3.23 rear axle ratio
  • Hill Descent Control
  • Uses antilock braking to help provide a smooth, controlled descent
  • Activates by pushing a button below the instrument panel
  • Aluminized stainless-steel muffler and tailpipe
  • Dual-outlet exhaust
  • Integrated into rear bumper
  • Aluminized stainless-steel muffler and tailpipes
  • Red vertical recovery hooks
  • Two front frame-mounted
  • Brake pad wear indicator
  • Electric Power Steering
  • Electric, rack-mounted with variable assist
  • Steering assist is greater during low-speed maneuvers, such as parking
  • Four wheel drive
  • Skid plates
  • Capless fuel fill
  • 2-speed Autotrac Transfer Case
  • 2WD HI mode
  • Vehicle operates in 2-wheel drive
  • Suitable for routine driving on all road surfaces
  • 4WD Auto mode
  • 4WD HI mode
  • 4WD LO mode
  • Neutral
  • Emissions, Federal requirements
  • AT4 Premium Package
  • AT4 Preferred Package
  • Rear sliding power window
  • AT4 Preferred Equipment Group includes standard equipment
  • Technology Package
  • Bed View Camera on AT4
  • Option/package discount
  • LED Daytime Running Lamps
  • Daytime Running Lamps automatically illuminate signature lighting
  • Forward Collision Alert
  • Seat Belt Adjustable Guide Loops
  • Front row only
  • Rear Cross Traffic Braking
  • HD Surround Vision
  • Can help you park or avoid vehicles and objects
  • Includes 2 Trailer Camera Provisions
  • Tire Pressure Monitoring System with Tire Fill Alert
  • Rear Seat Belt Indicator
  • Rear Seat Reminder
  • Trailer Side Blind Zone Alert
  • Rear Pedestrian Alert
  • Limited nighttime and low visibility performance
  • Following Distance Indicator
  • Designed to help you maintain a safe following distance
  • 6 airbags
  • Dual-stage frontal airbags for driver and front outboard passenger
  • Head-curtain airbags for outboard seating positions
  • Safety Alert Seat
  • You can also switch to beeping crash avoidance alerts
  • Buckle to Drive
  • Hitch Guidance
  • Can help you line up the hitch to your trailer
  • Automatic Emergency Braking
  • Works at speeds between 5 and 50 mph
  • Inside/Rear Trailer Camera Input
  • Includes trailer viewing software

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · nationwide
Asking price$59,105Dealer asking price · 6 mi
Market value$62,938Market value · based on 101 comparable cars
vs. market-6.1%Not rated · prices vary widely

Where this price sits

Among the lowest-priced · 100% of 101 similar listings ask more than this car.

$59,105lowest$104,805highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-6.1%
−25%Market value+25%
Not rated · comparable prices vary too widely$3,833 below the market value of $62,938

Price range

$59,105
$59,105$104,805
Lowest price of 102 similar listings nationwideTick marks the market value · range of 101 similar listings

AutosXchange Insights

  • Compared with 101 new 2026 GMC Sierra 1500 4-Wheel AT4 listings nationwide.
  • Priced $3,833 below the market value of 101 comparable cars.
  • Lowest price of 102 similar listings nationwide.
  • About 6 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # 26G2456 — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 6, 2026. 1 price change at this dealership: $61,105 → $59,105 (−$2,000).

$58.5k$59.0k$59.5k$60.0k$60.5k$61.0k$61.5kNov 6Nov 7Nov 8Nov 10Nov 11Nov 12−$2,000 Nov 8

Market activity: Legacy GMC cut prices on 10 2026 GMC Sierra 1500 by an average of $1,500

AutosXchange Intel Hub: Price changes for this model in Louisiana · This model in the Intel Hub · Market movers in Louisiana

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 12); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2026 Sierra 1500 4-Wheel AT4 · new · nationwide. Showing the 12 nearest of 101 comparable cars for sale, nearest first.

2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT410 miles · Legacy GMC · Slidell, LA · 0 mi away$60,100$995 more than this car2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT43 miles · Legacy GMC · Slidell, LA · 0 mi away$61,350$2,245 more than this car2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT430 miles · Legacy GMC · Slidell, LA · 0 mi away$61,350$2,245 more than this car2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT46 miles · Legacy GMC · Slidell, LA · 0 mi away$61,350$2,245 more than this car2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT45 miles · Legacy GMC · Slidell, LA · 0 mi away$61,855$2,750 more than this car2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT45 miles · Legacy GMC · Slidell, LA · 0 mi away$61,855$2,750 more than this car2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT45 miles · Legacy GMC · Slidell, LA · 0 mi away$61,855$2,750 more than this car2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT45 miles · Legacy GMC · Slidell, LA · 0 mi away$61,855$2,750 more than this car2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT411 miles · Legacy GMC · Slidell, LA · 0 mi away$62,145$3,040 more than this car2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT45 miles · Legacy GMC · Slidell, LA · 0 mi away$62,145$3,040 more than this car2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT413 miles · Legacy GMC · Slidell, LA · 0 mi away$62,145$3,040 more than this car2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 1500 Crew Cab Short Box 4-Wheel Drive AT46 miles · Legacy GMC · Slidell, LA · 0 mi away$62,350$3,245 more than this car

More GMC Sierra 1500 near Slidell

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