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Legacy GMC · Slidell, LA

2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate

15 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 3500 HD
Trim4-Wheel Denali Ultimate
Stock number26G2525
Mileage15 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorGlacier White Tricoat
InteriorAlpine Umber, Full Grain Leather Seating Surfaces
Towing20000

Vehicle description

This 2026 GMC Sierra 3500HD Denali Ultimate is proudly offered by Legacy Buick GMC This GMC includes: LPO, DENALI ILLUMINATION PACKAGE ALTERNATORS, DUAL, 220-AMPS PRIMARY, 170-AMPS AUXILIARY 3 YEARS SIRIUSXM Satellite Radio Requires Subscription GOOSENECK / 5TH WHEEL PREP PACKAGE Tow Hitch TRANSMISSION, 10-SPEED AUTOMATIC (STD) A/T 10-Speed A/T LPO, HARD FOLDING TRUCK BED COVER BY REALTRUCK ADVANTAGE Pickup Bed Tonneau Cover GLACIER WHITE TRICOAT ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE Diesel Fuel 8 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 3500HD Denali Ultimate is the vehicle others dream to own. Don't miss your chance to make it your new ride. With 4WD, you can take this 2026 GMC Sierra 3500HD Denali Ultimate to places roads don't go. It's all about the adventure and getting the most enjoyment out of your new ride. The GMC Sierra 3500HD Denali Ultimate 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
  • 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
  • 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
  • SiriusXM
  • SiriusXM with 360L Trial Subscription
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Body-color front bumper
  • Cargo tie-downs
  • 12-fixed rated at 500 lbs. per corner
  • IntelliBeam
  • Animated LED projectors headlamps with 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
  • Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
  • Chrome mirror caps
  • AT4 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
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • Tailgate and bed rail protection caps
  • Rainsense automatic wipers
  • Cargo bed LED lighting
  • Provides light to find cargo in the bed
  • Winter Grille Cover
  • Spray-on bedliner
  • Includes GMC logo on all trims except PRO
  • Grille, Signature Denali Ultimate grille in Vader chrome with High Gloss Black surround
  • GMC MultiPro Tailgate
  • Hitch area lighting
  • Power lock and release
  • Body-color rear bumper
  • With integrated CornerSteps
  • Chrome door handles
  • 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
  • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
  • Power sliding rear window with rear defogger
  • Smoked Amber LED roof marker lamps
  • Roof-mounted lamps near the front of the cab
  • Deep-tinted glass
  • Provides added protection from sun and glare
  • Power sunroof
  • Retracts into the roof
  • Offers tilt and slide features with express-open and -close
  • Tailgate with EZ Lift assist, power lock & release
  • LED fog lamps
  • Stainless-steel beltline moldings
  • Side Bed Step
  • Black textured step pads help provide secure footing
  • 18" Polished forged aluminum wheels
  • Dual Rear wheelhouse liners
  • 18" LT235/80R18 blackwall all-terrain spare tire
  • 18" LT235/80R18 all-terrain, blackwall tires
  • GMC Illuminated puddle lamp emblem
  • Hard Folding Truck Bed Cover by RealTruck Advantage
  • Illuminated front Red GMC emblem
  • Glacier White Tricoat
  • 120-volt box-mounted power outlet
  • 3-prong auxiliary household-style outlet
  • Located in the pickup bed
  • Rear carpeted floor mats
  • Helps protect your interior from road debris and the elements
  • Color-keyed to match the interior
  • Denali models feature unique premium tufted carpeting
  • Front center console
  • Rear Camera Mirror
  • The feature also allows brightness, vertical tilt and zoom adjustments
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • USB ports
  • (2) Data/charge ports located inside center console
  • Head-Up Display
  • Multi-color 15" diagonal Head-Up Display
  • Adjustable vertical position and brightness of the display
  • Power door locks
  • Steering-wheel mounted controls
  • Heated rear outboard seats
  • Passengers can manage heat settings with their own controls
  • Leather-wrapped steering wheel
  • Power windows with rear express-down
  • Universal Home Remote
  • 3-channel programmable
  • Heated driver and front outboard passenger seats
  • Individually controlled
  • Keyless Open and Start
  • Lockout protection helps you avoid locking keys in the vehicle
  • Manual tilt and telescoping steering column
  • Seat trim, Full Grain Leather seats
  • (2) Charge ports located on rear of console
  • Outside temperature display
  • Located in infotainment display
  • You can always override the feature and take control
  • Front bucket seats
  • 120-volt power outlet
  • Located on the instrument panel
  • Assist handles
  • Front A-pillar mounted for Driver and Passenger
  • Rear B-pillar mounted
  • (2) First row, located on console
  • 12.3" diagonal color Driver Information Center
  • High definition display provides crisp, premium appearance
  • 16-way power driver seat with power lumbar and massage
  • In-Vehicle Trailering App
  • Checklist
  • Trailer maintenance reminders
  • Trailer security alerts
  • Trailer mileage
  • Tow/haul reminder
  • Trailer electrical diagnostics
  • Theft-deterrent unauthorized entry system
  • Helps deter unauthorized entry, helping to protect your vehicle
  • Power windows with driver express-up/down
  • Wireless Charging
  • Uses induction technology for select portable electronic devices
  • Convenient charging location on the top of the center console
  • 16-way power passenger seat with power lumbar and massage
  • 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)
  • Rear air vents
  • Provides cabin comfort for rear occupants
  • Power windows with driver and front passenger express-up/down
  • If obstruction is detected, the anti-pinch feature will auto-reverse
  • Carpeted floor covering
  • Rear window defogger
  • Front carpeted floor mats
  • Driver memory
  • Compass
  • Located in instrument cluster
  • Ventilated driver and front passenger seats
  • Cooling feature includes both seatbacks and cushions
  • Denali Illuminated door sills
  • 3 Years SiriusXM
  • Enjoy channels curated by DJs, personalities, and tastemakers
  • Alpine Umber, Full Grain Leather seating surfaces
  • 4-wheel antilock disc brakes
  • 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
  • Heavy-Duty Air Filter
  • Chrome vertical recovery hooks
  • Two front frame-mounted
  • Digital Variable Steering Assist
  • Four wheel drive
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • Skid plates
  • Help protect the front underbody, oil pan and transfer case
  • Fully boxed frame
  • Hydroformed front section
  • High-strength steel
  • Brake pad wear indicator
  • Heavy-duty 730 cold-cranking amps battery
  • 70 Amp-hr
  • Maintenance-free with rundown protection and retained accessory power
  • Automatic locking rear differential
  • Dual, 220 amp primary and 170 auxiliary amp alternators
  • Suspension Package
  • Gooseneck / 5th Wheel Prep Package
  • Hitch platform to accept Gooseneck or 5th wheel hitch
  • Box mounted 7-pin trailer harness
  • 14,000 lbs. GVWR
  • Dual Rear Wheels includes LED hip marker lights
  • Emissions, Federal requirements
  • Denali Ultimate Preferred Equipment Group includes standard equipment
  • Denali Illumination Package
  • Illuminated Red front GMC emblem
  • 3 Years OnStar One
  • Safety Services, Wi-Fi, and In-Vehicle Apps, all connected by OnStar
  • Info at OnStar.com/plans
  • Trailering Information Label
  • Signature LED Daytime Running Lamps
  • LED Daytime Running Lamps
  • Bed View Camera
  • Includes 2 Trailer Camera Provisions
  • Hitch View
  • Shows a close-up view of the trailer hitch
  • HD Surround Vision
  • Can help you park or avoid vehicles and objects
  • Trailer Tire Pressure and Temperature Sensors
  • Set of 4 sensors
  • Additional or replacement sensors are available as GM Accessory
  • System is capable of monitoring up to 6 wheels
  • Hitch Guidance
  • Can help you line up the hitch to your trailer
  • Rear Seat Belt Indicator
  • Trailer Side Blind Zone Alert
  • Teen Driver
  • Front Pedestrian Braking
  • Limited nighttime and low visibility performance
  • Following Distance Indicator
  • Designed to help you maintain a safe following distance
  • Forward Collision Alert
  • Rear Seat Reminder
  • OnStar services capable
  • 6 airbags
  • Dual-stage frontal airbags for driver and front outboard passenger
  • Head-curtain airbags for outboard seating positions
  • Buckle to Drive
  • Tire Pressure Monitoring System with Tire Fill Alert
  • Front and Rear Park Assist
  • These can help you park and avoid collisions
  • Safety Alert Seat
  • You can also switch to beeping crash avoidance alerts
  • Rear Cross Traffic Alert
  • Trailering camera provisions
  • Includes connector for accessory wiring harness

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$98,109Dealer asking price · 15 mi
Market value$97,580Market value · based on 23 comparable cars
vs. market Fair price+0.5%Fair price · based on 23 comparable cars

Where this price sits

In the typical middle range · 48% of 23 similar listings ask more than this car.

$91,203lowest$107,144highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+0.5%
−25%Market value+25%
Fair price$529 above the market value of $97,580

Price range

$98,109
$91,203$107,144
13th lowest price of 24 similar listings nationwideTick marks the market value · range of 23 similar listings

AutosXchange Insights

  • Compared with 23 new 2026 GMC Sierra 3500 4-Wheel Denali Ultimate listings nationwide.
  • Priced $529 above the market value of 23 comparable cars — compare options, condition and history.
  • 13th lowest price of 24 similar listings nationwide.
  • About 15 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # 26G2525 — 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 ($98,109).

$97.9k$98.0k$98.1k$98.2k$98.3k$98.4kNov 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 3500 4-Wheel Denali Ultimate · new · nationwide. Showing the 12 nearest of 23 comparable cars for sale, nearest first.

2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate3 miles · Legacy GMC · Slidell, LA · 0 mi away$97,580$529 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate7 miles · Legacy GMC · Slidell, LA · 0 mi away$98,509$400 more than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate3 miles · Everett Buick GMC · Bryant, AR · 343 mi away$93,898$4,211 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate3 miles · Everett Buick GMC · Bryant, AR · 343 mi away$93,898$4,211 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate3 miles · Everett Buick GMC · Bryant, AR · 343 mi away$93,998$4,111 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate3 miles · Everett Buick GMC · Bryant, AR · 343 mi away$94,112$3,997 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate3 miles · Everett Buick GMC · Bryant, AR · 343 mi away$94,112$3,997 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate3 miles · Everett Buick GMC · Bryant, AR · 343 mi away$94,456$3,653 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate3 miles · Everett Buick GMC · Bryant, AR · 343 mi away$94,458$3,651 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate3 miles · Everett Buick GMC · Bryant, AR · 343 mi away$95,016$3,093 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali UltimateRobideaux Motors · Coeur D Alene, ID · 1,874 mi away$91,203$6,906 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali Ultimate vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive Denali UltimateRobideaux Motors · Coeur D Alene, ID · 1,874 mi away$91,466$6,643 less than this car

More GMC Sierra 3500 near Slidell

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