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Legacy GMC · Slidell, LA

2025 GMC Sierra 3500 HD Denali Ultimate

77,900 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2025
MakeGMC
ModelSierra 3500 HD
TrimDenali Ultimate
Stock number376892DTA
Mileage77,900 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorWhite Frost Tricoat
InteriorAlpine Umber, Full Grain Leather Seating Surfaces
Towing20000

Vehicle description

Thank you for your interest in one of Legacy Buick GMC's online offerings. Please continue for more information regarding this 2025 GMC Sierra 3500HD Denali Ultimate with 75,656mi. Want to brave the road less traveled? You'll have the 4WD capabilities to do it with this vehicle. The GMC Sierra 3500HD Denali Ultimate will provide you with everything you have always wanted in a car -- Quality, Reliability, and Character. You can finally stop searching... You've found the one you've been looking for. 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.

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
  • 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
  • Wi-Fi Hotspot capable
  • May require additional optional equipment
  • Place and receive hands-free phone calls
  • SiriusXM
  • SiriusXM with 360L Trial Subscription
  • Tailgate with EZ Lift assist, power lock & release
  • Hitch area lighting
  • Deep-tinted glass
  • Provides added protection from sun and glare
  • 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
  • 20" Ultra Bright machined aluminum wheels with gloss Black inserts
  • 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
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • Rear wheelhouse liners
  • GMC MultiPro Tailgate
  • Power lock and release
  • 20" LT275/65R20 all-terrain, blackwall tires
  • Winter Grille Cover
  • IntelliBeam
  • Power sliding rear window with rear defogger
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Cargo bed LED lighting
  • Provides light to find cargo in the bed
  • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
  • LED fog lamps
  • Side Bed Step
  • Black textured step pads help provide secure footing
  • Body-color front bumper
  • 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
  • Grille, Signature Denali Ultimate grille in Vader chrome with High Gloss Black surround
  • Smoked Amber LED roof marker lamps
  • Roof-mounted lamps near the front of the cab
  • Body-color rear bumper
  • With integrated CornerSteps
  • 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
  • 18" LT275/70R18 all-terrain, blackwall spare tire
  • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
  • Power sunroof
  • Retracts into the roof
  • Offers tilt and slide features with express-open and -close
  • Stainless-steel beltline moldings
  • Chrome door handles
  • Tailgate and bed rail protection caps
  • Single Rear Wheels
  • White Frost Tricoat
  • Body color wheel arch moldings
  • USB ports
  • (2) Data/charge ports located inside center console
  • Driver memory
  • Seat trim, Full Grain Leather seats
  • Keyless Open and Start
  • Lockout protection helps you avoid locking keys in the vehicle
  • Ventilated driver and front passenger seats
  • Individually controlled
  • Cooling feature includes both seatbacks and cushions
  • Rear window defogger
  • 16-way power passenger seat with power lumbar and massage
  • 120-volt box-mounted power outlet
  • 3-prong auxiliary household-style outlet
  • Located in the pickup bed
  • Compass
  • Located in instrument cluster
  • In-Vehicle Trailering App
  • Checklist
  • Trailer maintenance reminders
  • Trailer security alerts
  • Trailer mileage
  • Tow/haul reminder
  • Trailer electrical diagnostics
  • Wireless Charging
  • Uses induction technology for select portable electronic devices
  • Convenient charging location on the top of the center console
  • Manual tilt and telescoping steering column
  • Front center console
  • Steering-wheel mounted controls
  • Power windows with rear express-down
  • Carpeted floor covering
  • Color-keyed to match the interior
  • 120-volt power outlet
  • Located on the instrument panel
  • Power windows with driver and front passenger express-up/down
  • If obstruction is detected, the anti-pinch feature will auto-reverse
  • Power windows with driver express-up/down
  • Front carpeted floor mats
  • Helps protect your interior from road debris and the elements
  • Denali models feature unique premium tufted carpeting
  • (2) First row, located on console
  • (2) Charge ports located on rear of console
  • Front bucket seats
  • 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)
  • Universal Home Remote
  • 3-channel programmable
  • Assist handles
  • Front A-pillar mounted for Driver and Passenger
  • Rear B-pillar mounted
  • 16-way power driver seat with power lumbar and massage
  • You can always override the feature and take control
  • Outside temperature display
  • Located in infotainment display
  • Power door locks
  • 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
  • Theft-deterrent unauthorized entry system
  • Helps deter unauthorized entry, helping to protect your vehicle
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • 12.3" diagonal color Driver Information Center
  • High definition display provides crisp, premium appearance
  • Rear carpeted floor mats
  • Rear air vents
  • Provides cabin comfort for rear occupants
  • Heated driver and front outboard passenger seats
  • Heated rear outboard seats
  • Passengers can manage heat settings with their own controls
  • Leather-wrapped steering wheel
  • Alpine Umber, Full Grain Leather seating surfaces
  • Pickup bed
  • Roll-formed high-strength steel
  • Includes bed assist step
  • Skid plates
  • Help protect the front underbody, oil pan and transfer case
  • Heavy-Duty Air Filter
  • Chrome vertical recovery hooks
  • Two front frame-mounted
  • Brake pad wear indicator
  • Heavy-duty 730 cold-cranking amps battery
  • 70 Amp-hr
  • Maintenance-free with rundown protection and retained accessory power
  • Digital Variable Steering Assist
  • Push Button Start
  • 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
  • Four wheel drive
  • 4-wheel antilock disc brakes
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • Fully boxed frame
  • Hydroformed front section
  • High-strength steel
  • Automatic locking rear differential
  • Dual, 220 amp primary and 170 auxiliary amp alternators
  • Gooseneck / 5th Wheel Prep Package
  • Hitch platform to accept Gooseneck or 5th wheel hitch
  • Box mounted 7-pin trailer harness
  • Emissions, Federal requirements
  • Sierra HD Pro Safety
  • Forward Collision Alert
  • Following Distance Indicator
  • Front Pedestrian Braking
  • Buckle to Drive
  • Automatic Emergency Braking
  • ProGrade Trailering System
  • Hitch Guidance with Hitch View
  • Technology Package
  • AT4 Preferred Package on AT4
  • Trailering Package
  • Trailer hitch
  • Trailering hitch platform
  • Hitch Guidance
  • Gooseneck Hitch Package
  • Gooseneck ball
  • Chain tiedown kit with case
  • Denali Ultimate Preferred Equipment Group includes standard equipment
  • Trailering Information Label
  • Signature LED Daytime Running Lamps
  • LED Daytime Running Lamps
  • Rear Seat Belt Indicator
  • HD Surround Vision
  • Can help you park or avoid vehicles and objects
  • Front and Rear Park Assist
  • These can help you park and avoid collisions
  • Rear Seat Reminder
  • 3 Years of OnStar Premium Plan
  • Safety Alert Seat
  • You can also switch to beeping crash avoidance alerts
  • OnStar services capable
  • Can help you line up the hitch to your trailer
  • 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

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

AutosXchange Intel

Vehicle price analysis

Live listings · within 250 miles of Slidell, Louisiana
Asking price$74,988Dealer asking price · 77,900 mi
Market value$77,988Market value · based on 3 comparable cars
vs. market Fair price-3.8%Fair price · based on 3 comparable cars

Where this price sits

In the typical middle range · 67% of 3 similar listings ask more than this car.

$69,464lowest$82,430highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-3.8%
−25%Market value+25%
Fair price$3,000 below the market value of $77,988

Price range

$74,988
$69,464$82,430
2nd lowest price of 4 similar listings within 250 milesTick marks the market value · range of 3 similar listings

AutosXchange Insights

  • Compared with 3 used 2024–2025 GMC Sierra 3500 Denali Ultimate listings within 250 mi.
  • Priced $3,000 below the market value of 3 comparable cars.
  • 2nd lowest price of 4 similar listings within 250 miles.
  • Has about 48,000 more miles than similar listings.
  • About 38,950 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # 376892DTA — 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 ($74,988).

$74.7k$74.8k$74.9k$75.0k$75.1k$75.2kNov 6Nov 7Nov 8Nov 9Nov 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 2024–2025 Sierra 3500 Denali Ultimate · used · any miles · within 250 miles of Slidell, Louisiana. All 3 comparable cars for sale, nearest first.

More GMC Sierra 3500 near Slidell

All years and trims. Nearest first.