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Legacy GMC · Slidell, LA

2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X

3 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 2500 HD
Trim4-Wheel AT4X
Stock number26G2727
Mileage3 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorOnyx Black
InteriorObsidian Rush, Full Grain Leather Seat Trim
Towing18500

Vehicle description

This 2026 GMC Sierra 2500HD AT4X is offered to you for sale by Legacy Buick GMC. Taking the road less traveled has never been more fun than with this 4WD. With improved performance, mileage and acceleration, this 2026 4WD GMC Sierra 2500HD AT4X is king of the off-road. You could keep looking, but why? You've found the perfect vehicle right here. 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. Based on the superb condition of this vehicle, along with the options and color, this GMC Sierra 2500HD AT4X is sure to sell fast. 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 Ignition System
  • Leather Seats
  • Wi-Fi Hotspot
  • Emergency Brake Assist
  • Lane Departure Warning
  • 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
  • SiriusXM Trial Subscription
  • Wireless phone projection
  • For Apple CarPlay and Android Auto
  • Wi-Fi Hotspot capable
  • 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
  • SiriusXM with 360L Trial Subscription
  • MultiPro Audio System by Kicker
  • Bluetooth® compatibility for wireless playback
  • 3.5mm and USB inputs for audio playbacks
  • A custom ABS baffle with full gasket sealing
  • A weatherproof amplifier hidden in the tailgate
  • Place and receive hands-free phone calls
  • 3 Years SiriusXM
  • Enjoy channels curated by DJs, personalities, and tastemakers
  • Side Bed Step
  • Black textured step pads help provide secure footing
  • Power sunroof
  • Retracts into the roof
  • Offers tilt and slide features with express-open and -close
  • Deep-tinted glass
  • Provides added protection from sun and glare
  • Black power-retractable assist steps with LED perimeter lighting
  • Textured step pads help provide secure footing
  • Retracts when not in use
  • Deploy Running Board mode for car wash cleaning
  • LED perimeter lighting
  • Rainsense automatic wipers
  • CornerStep rear bumper
  • Located at each end of the rear bumper
  • Textured step pads to help provide secure footing
  • Spray-on bedliner
  • Includes GMC logo on all trims except PRO
  • Cargo bed LED lighting
  • Provides light to find cargo in the bed
  • Black beltline moldings
  • Smoked Amber LED roof marker lamps
  • Roof-mounted lamps near the front of the cab
  • Cab-mounted cargo area lamps
  • Activated by switch located on center switch bank
  • Illuminates the cargo bed area
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • Body-color front bumper
  • Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
  • 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
  • 18" LT305/70R18 MT spare tire
  • Body-color rear bumper
  • With integrated CornerSteps
  • IntelliBeam
  • 18" LT305/70R18 MT tires
  • Cargo tie-downs
  • 12-fixed rated at 500 lbs. per corner
  • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
  • LED taillamps with LED stop lights and animation
  • Grille (Gloss Black header and grille insert bars with Dark Nickel inserts.)
  • Rear wheelhouse liners
  • Tailgate with EZ Lift assist, power lock & release
  • Hitch area lighting
  • Body-color door handles
  • Tailgate and bed rail protection caps
  • GMC MultiPro Tailgate
  • Power lock and release
  • LED fog lamps
  • 18" machined aluminum wheel with High Gloss Black accents
  • Winter Grille Cover
  • Hard Folding Truck Bed Cover by RealTruck Advantage
  • Onyx Black
  • Carpeted floor covering
  • Color-keyed to match the interior
  • Rear air vents
  • Provides cabin comfort for rear occupants
  • You can always override the feature and take control
  • 120-volt power outlet
  • 3-prong auxiliary household-style outlet
  • Located on the instrument panel
  • Leather-wrapped steering wheel
  • Soft, supple leather trim adds comfort to your drive
  • Rear Seat Reminder
  • Ventilated driver and front passenger seats
  • Individually controlled
  • Cooling feature includes both seatbacks and cushions
  • Power sliding rear window with rear defogger
  • Rear Camera Mirror
  • The feature also allows brightness, vertical tilt and zoom adjustments
  • Driver memory
  • Power windows with driver and front passenger express-up/down
  • If obstruction is detected, the anti-pinch feature will auto-reverse
  • Head-Up Display
  • Multi-color 15" diagonal Head-Up Display
  • Adjustable vertical position and brightness of the display
  • Theft-deterrent unauthorized entry system
  • Helps deter unauthorized entry, helping to protect your vehicle
  • Seat trim, Full Grain Leather
  • USB ports
  • (2) Data/charge ports located inside center console
  • Keyless Open and Start
  • Lockout protection helps you avoid locking keys in the vehicle
  • Power door locks
  • Premium front floor liners with removable carpet insert
  • 16-way power passenger seat with power lumbar and massage
  • 12.3" diagonal color Driver Information Center
  • High definition display provides crisp, premium appearance
  • Assist handles
  • Front A-pillar mounted for Driver and Passenger
  • Rear B-pillar mounted
  • Front bucket seats
  • (2) Charge ports located on rear of console
  • Steering-wheel mounted controls
  • 16-way power driver seat with power lumbar and massage
  • Power windows with driver express-up/down
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • Wireless Charging
  • Uses induction technology for select portable electronic devices
  • Convenient charging location
  • Compass
  • Located in instrument cluster
  • Premium rear floor liners with removable carpet insert
  • (2) First row, located on console
  • Universal Home Remote
  • 3-channel programmable
  • 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)
  • Power windows with rear express-down
  • 120-volt box-mounted power outlet
  • Located in the pickup bed
  • Manual tilt and telescoping steering column
  • Rear window defogger
  • Outside temperature display
  • Located in infotainment display
  • Front center console
  • Heated rear outboard seats
  • Passengers can manage heat settings with their own controls
  • Heated driver and front outboard passenger seats
  • Obsidian Rush, Full Grain Leather seat trim
  • Driver-selectable e-locking rear differential
  • When activated, locks both rear wheels in unison
  • Increase traction in off-road situations
  • 4-wheel antilock disc brakes
  • Heavy-Duty Air Filter
  • Hill Descent Control
  • Uses antilock braking to help provide a smooth, controlled descent
  • Activates by pushing a button below the instrument panel
  • Red vertical recovery hooks
  • Two front frame-mounted
  • Brake pad wear indicator
  • Skid Plates, front aluminum
  • Fully boxed frame
  • Hydroformed front section
  • High-strength steel
  • Push Button Start
  • Skid Plates, Transfer case, steel
  • Pickup bed
  • Roll-formed high-strength steel
  • Includes bed assist step
  • Digital Variable Steering Assist
  • In-Vehicle Trailering App
  • Checklist
  • Trailer maintenance reminders
  • Trailer security alerts
  • Trailer mileage
  • Tow/haul reminder
  • Trailer electrical diagnostics
  • Off-Road suspension with 1.5" factory installed lift and Multimatic DSSV dampers
  • Front suspension kit composed of: Control Arms, Ball Joints, Knuckles
  • Four wheel drive
  • Autotrac 2-speed transfer case with push button controls
  • 4-button control 2WD, Auto, 4WD, 4WD LO
  • 2WD High for most on-road and highway situations
  • Automatically engages 4WD until traction is regained
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • Dual, 220 amp primary and 170 auxiliary amp alternators
  • Heavy-duty dual batteries with 1460 cold-cranking amps
  • 70 Amp-hr
  • Maintenance-free with rundown protection and retained accessory power
  • 11,350 lbs. GVWR
  • Emissions, Federal requirements
  • Gooseneck / 5th Wheel Prep Package
  • Hitch platform to accept Gooseneck or 5th wheel hitch
  • Box mounted 7-pin trailer harness
  • ProGrade Trailering System
  • Hitch Guidance with Hitch View
  • Trailering Package
  • Trailer hitch
  • Trailering hitch platform
  • Hitch Guidance
  • Sierra HD Pro Safety
  • Forward Collision Alert
  • Following Distance Indicator
  • Front Pedestrian Braking
  • Buckle to Drive
  • Automatic Emergency Braking
  • AT4X Preferred Equipment Group includes standard equipment
  • LED Daytime Running Lamps
  • Signature LED Daytime Running Lamps
  • Trailering Information Label
  • 6 airbags
  • Dual-stage frontal airbags for driver and front outboard passenger
  • Head-curtain airbags for outboard seating positions
  • Seat Belt Adjustable Guide Loops
  • Front row only
  • HD Surround Vision
  • Can help you park or avoid vehicles and objects
  • Teen Driver
  • Rear Cross Traffic Alert
  • OnStar Basics
  • Drive confidently with core OnStar services including

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$91,049Dealer asking price · 3 mi
Market value$87,788Market value · based on 34 comparable cars
vs. market Fair price+3.7%Fair price · based on 34 comparable cars

Where this price sits

Among the highest-priced · 0% of 34 similar listings ask more than this car.

$79,529lowest$91,049highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+3.7%
−25%Market value+25%
Fair price$3,261 above the market value of $87,788

Price range

$91,049
$79,529$91,049
33rd lowest price of 35 similar listings nationwideTick marks the market value · range of 34 similar listings

AutosXchange Insights

  • Compared with 34 new 2026 GMC Sierra 2500 4-Wheel AT4X listings nationwide.
  • Priced $3,261 above the market value of 34 comparable cars — compare options, condition and history.
  • 33rd lowest price of 35 similar listings nationwide.
  • About 3 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # 26G2727 — 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. No price change at this dealership since Nov 6 ($91,049).

$90.8k$90.9k$91.0k$91.1k$91.2k$91.3kNov 6Nov 7Nov 8Nov 10Nov 11Nov 12

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 2500 4-Wheel AT4X · new · nationwide. Showing the 12 nearest of 34 comparable cars for sale, nearest first.

2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X8 miles · Legacy GMC · Slidell, LA · 0 mi away$90,255$794 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X8 miles · Legacy GMC · Slidell, LA · 0 mi away$90,255$794 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X8 miles · Legacy GMC · Slidell, LA · 0 mi away$90,554$495 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X9 miles · Legacy GMC · Slidell, LA · 0 mi away$90,750$299 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X7 miles · Legacy GMC · Slidell, LA · 0 mi away$90,750$299 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X7 miles · Legacy GMC · Slidell, LA · 0 mi away$90,750$299 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X7 miles · Legacy GMC · Slidell, LA · 0 mi away$91,049Same price2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X8 miles · Legacy GMC · Slidell, LA · 0 mi away$91,049Same price2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X3 miles · Everett Buick GMC · Bryant, AR · 343 mi away$79,529$11,520 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X3 miles · Everett Buick GMC · Bryant, AR · 343 mi away$80,089$10,960 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X3 miles · Everett Buick GMC · Bryant, AR · 343 mi away$80,367$10,682 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X3 miles · Everett Buick GMC · Bryant, AR · 343 mi away$80,367$10,682 less than this car

More GMC Sierra 2500 near Slidell

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