REAL DEALER INVENTORY · ONE PREMIUM MARKETPLACE
Sell My Car
← All vehicles
Legacy GMC · Slidell, LA

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

6 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 2500 HD
Trim4-Wheel Denali Ultimate
Stock number26G2591
Mileage6 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorDownpour Metallic
InteriorAlpine Umber, Full Grain Leather Seat Trim
Towing18500

Vehicle description

This 2026 GMC Sierra 2500HD Denali Ultimate is offered to you for sale by Legacy Buick GMC. This GMC includes: DOWNPOUR METALLIC LPO, HARD FOLDING TRUCK BED COVER BY REALTRUCK ADVANTAGE Pickup Bed Tonneau Cover TRANSMISSION, 10-SPEED AUTOMATIC (STD) A/T 10-Speed A/T GVWR, 11,350 LBS LPO, 22" Aluminum Wheels LPO, BODY COLOR WHEEL ARCH MOLDINGS GOOSENECK / 5TH WHEEL PREP PACKAGE ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 Cylinder Engine Turbocharged ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY *Note - For third party subscriptions or services, please contact the dealer for more information.* There's a level of quality and refinement in this GMC Sierra 2500HD Denali Ultimate that you won't find in your average vehicle. Want to brave the road less traveled? You'll have the 4WD capabilities to do it with this vehicle. You could keep looking, but why? You've found the perfect vehicle right here. 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 with 360L Trial Subscription
  • SiriusXM Trial Subscription
  • 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
  • Wireless phone projection
  • For Apple CarPlay and Android Auto
  • Place and receive hands-free phone calls
  • Wi-Fi Hotspot capable
  • May require additional optional equipment
  • 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
  • Tailgate and bed rail protection caps
  • Grille (Signature Denali Ultimate grille in Vadar chrome with High Gloss Black surround.)
  • 18" LT275/70R18 all-terrain, blackwall spare tire
  • Winter Grille Cover
  • LED fog lamps
  • Spray-on bedliner
  • Includes GMC logo on all trims except PRO
  • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
  • IntelliBeam
  • Side Bed Step
  • Black textured step pads help provide secure footing
  • Body-color rear bumper
  • With integrated CornerSteps
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • Chrome beltline moldings
  • Body-color front bumper
  • Chrome mirror caps
  • Deep-tinted glass
  • Provides added protection from sun and glare
  • CornerStep rear bumper
  • 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
  • LED taillamps with LED stop lights and animation
  • Rear wheelhouse liners
  • Rainsense automatic wipers
  • 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
  • Bright accent strip
  • Cargo tie-downs
  • 12-fixed rated at 500 lbs. per corner
  • Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
  • 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
  • Tailgate with EZ Lift assist, power lock & release
  • Hitch area lighting
  • Chrome door handles
  • Cargo bed LED lighting
  • Provides light to find cargo in the bed
  • Power sunroof
  • Retracts into the roof
  • Offers tilt and slide features with express-open and -close
  • 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
  • GMC MultiPro Tailgate
  • Power lock and release
  • Downpour Metallic
  • 22" LT265/60R22E all-terrain blackwall tires
  • 22" Transit steel, painted Black wheels
  • Body color wheel arch moldings
  • Hard Folding Truck Bed Cover by RealTruck Advantage
  • 22" Bright finish aluminum wheels
  • Seat trim, Full Grain Leather
  • Outside temperature display
  • Located in infotainment display
  • Compass
  • Located in instrument cluster
  • Heated rear outboard seats
  • Passengers can manage heat settings with their own controls
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • Universal Home Remote
  • 3-channel programmable
  • Heated driver and front outboard passenger seats
  • Individually controlled
  • 16-way power driver seat with power lumbar and massage
  • 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)
  • Front center console
  • USB ports
  • (2) Data/charge ports located inside center console
  • Power windows with driver express-up/down
  • Driver memory
  • Manual tilt and telescoping steering column
  • Carpeted floor covering
  • Color-keyed to match the interior
  • Power windows with rear express-down
  • Head-Up Display
  • Multi-color 15" diagonal Head-Up Display
  • Adjustable vertical position and brightness of the display
  • Wireless Charging
  • Uses induction technology for select portable electronic devices
  • Convenient charging location
  • Steering-wheel mounted controls
  • Ventilated driver and front passenger seats
  • Cooling feature includes both seatbacks and cushions
  • 16-way power passenger seat with power lumbar and massage
  • 12.3" diagonal color Driver Information Center
  • High definition display provides crisp, premium appearance
  • Rear air vents
  • Provides cabin comfort for rear occupants
  • Rear Seat Reminder
  • Power windows with driver and front passenger express-up/down
  • If obstruction is detected, the anti-pinch feature will auto-reverse
  • Rear carpeted floor mats
  • Helps protect your interior from road debris and the elements
  • Denali models feature unique premium tufted carpeting
  • You can always override the feature and take control
  • Power sliding rear window with rear defogger
  • (2) Charge ports located on rear of console
  • Assist handles
  • Front A-pillar mounted for Driver and Passenger
  • Rear B-pillar mounted
  • Front bucket seats
  • Power door locks
  • 120-volt box-mounted power outlet
  • 3-prong auxiliary household-style outlet
  • Located in the pickup bed
  • (2) First row, located on console
  • 120-volt power outlet
  • Located on the instrument panel
  • Rear Camera Mirror
  • The feature also allows brightness, vertical tilt and zoom adjustments
  • Keyless Open and Start
  • Lockout protection helps you avoid locking keys in the vehicle
  • Front carpeted floor mats
  • Leather-wrapped steering wheel
  • Soft, supple leather trim adds comfort to your drive
  • Theft-deterrent unauthorized entry system
  • Helps deter unauthorized entry, helping to protect your vehicle
  • Alpine Umber, Full Grain Leather seat trim
  • Skid plates
  • Help protect the front underbody, oil pan and transfer case
  • Push Button Start
  • 4-wheel antilock disc brakes
  • Automatic locking rear differential
  • Hill Descent Control
  • Uses antilock braking to help provide a smooth, controlled descent
  • Activates by pushing a button below the instrument panel
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • In-Vehicle Trailering App
  • Checklist
  • Trailer maintenance reminders
  • Trailer security alerts
  • Trailer mileage
  • Tow/haul reminder
  • Trailer electrical diagnostics
  • 11,350 lbs. GVWR
  • Fully boxed frame
  • Hydroformed front section
  • High-strength steel
  • Off-Road suspension
  • 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
  • Digital Variable Steering Assist
  • Brake pad wear indicator
  • Four wheel drive
  • Heavy-Duty Air Filter
  • Chrome vertical recovery hooks
  • Two front frame-mounted
  • Heavy-duty dual batteries with 1460 cold-cranking amps
  • 70 Amp-hr
  • Maintenance-free with rundown protection and retained accessory power
  • Dual, 220 amp primary and 170 auxiliary amp alternators
  • Emissions, Federal requirements
  • Gooseneck / 5th Wheel Prep Package
  • Hitch platform to accept Gooseneck or 5th wheel hitch
  • Box mounted 7-pin trailer harness
  • Denali Ultimate Preferred Equipment Group includes standard equipment
  • 3 Years OnStar One
  • Safety Services, Wi-Fi, and In-Vehicle Apps, all connected by OnStar
  • Info at OnStar.com/plans
  • LED Daytime Running Lamps
  • Signature LED Daytime Running Lamps
  • Tire Pressure Monitoring System with Tire Fill Alert
  • Rear Seat Belt Indicator
  • Safety Alert Seat
  • You can also switch to beeping crash avoidance alerts
  • Front and Rear Park Assist
  • These can help you park and avoid collisions
  • HD Surround Vision
  • Can help you park or avoid vehicles and objects
  • Hitch View
  • Shows a close-up view of the trailer hitch
  • OnStar services capable
  • Teen Driver
  • Trailer Side Blind Zone Alert
  • Rear Cross Traffic Alert
  • OnStar Basics
  • Drive confidently with core OnStar services including
  • Remote commands
  • Built-in voice assistance
  • Real-time traffic and navigation
  • Automatic Crash Response to help if you're in need
  • Hitch Guidance
  • Can help you line up the hitch to your trailer
  • Trailering Information Label
  • Trailer Tire Pressure and Temperature Sensors
  • Set of 4 sensors

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$94,805Dealer asking price · 6 mi
Market value$88,967Market value · based on 86 comparable cars
vs. market High price+6.6%High price · based on 86 comparable cars

Where this price sits

Among the highest-priced · 17% of 86 similar listings ask more than this car.

$86,963lowest$99,064highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+6.6%
−25%Market value+25%
High price$5,838 above the market value of $88,967

Price range

$94,805
$86,963$99,064
69th lowest price of 87 similar listings nationwideTick marks the market value · range of 86 similar listings

AutosXchange Insights

  • Compared with 86 new 2026 GMC Sierra 2500 4-Wheel Denali Ultimate listings nationwide.
  • Priced $5,838 above the market value of 86 comparable cars — compare options, condition and history.
  • 69th lowest price of 87 similar listings nationwide.
  • About 6 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # 26G2591 — 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 ($94,805).

$94.6k$94.7k$94.8k$94.9k$95.0k$95.1kNov 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 Denali Ultimate · new · nationwide. Showing the 12 nearest of 86 comparable cars for sale, nearest first.

2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate7 miles · Legacy GMC · Slidell, LA · 0 mi away$92,105$2,700 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate6 miles · Legacy GMC · Slidell, LA · 0 mi away$92,805$2,000 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate6 miles · Legacy GMC · Slidell, LA · 0 mi away$92,805$2,000 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate6 miles · Legacy GMC · Slidell, LA · 0 mi away$93,405$1,400 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate10 miles · Legacy GMC · Slidell, LA · 0 mi away$94,105$700 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate3 miles · Legacy GMC · Slidell, LA · 0 mi away$94,404$401 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate3 miles · Legacy GMC · Slidell, LA · 0 mi away$94,404$401 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate3 miles · Legacy GMC · Slidell, LA · 0 mi away$94,404$401 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate4 miles · Legacy GMC · Slidell, LA · 0 mi away$94,405$400 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate3 miles · Legacy GMC · Slidell, LA · 0 mi away$94,405$400 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate3 miles · Legacy GMC · Slidell, LA · 0 mi away$94,704$101 less than this car2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate3 miles · Legacy GMC · Slidell, LA · 0 mi away$94,704$101 less than this car

More GMC Sierra 2500 near Slidell

All years and trims. Nearest first.