Sun GMC · Wantagh, NY

2026 GMC Sierra 2500 HD Denali Ultimate

0 miles · truck

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PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 2500 HD

TrimDenali Ultimate

VIN1GT4UXEY4TF308755

Stock number29397G

BodyPickup

Engine6.6L V8 turbo

Cylinders8

Displacement6.6L

TransmissionAutomatic

Drivetrain4WD

FuelDiesel

ExteriorTitanium Rush Metallic

InteriorAlpine Umber, Full Grain Leather Seat Trim

Towing18500

Vehicle description

This GMC Sierra 2500HD boasts a Turbocharged Diesel V8 6.6L/ engine powering this Automatic transmission. WHEELS, 20" (50.8 CM) ULTRA-BRIGHT MACHINED ALUMINUM WHEELS with Black painted pockets (STD), TRANSMISSION, 10-SPEED AUTOMATIC (STD), TITANIUM RUSH METALLIC. This GMC Sierra 2500HD Features the Following Options SNOW PLOW PREP/CAMPER PACKAGE includes (KW5) 220-amp alternator, includes increased front GAWR on Heavy Duty models, (NZZ) skid plates (transfer case and oil pan), pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage, recommend ordering (UY2) Trailering wiring provisions , TIRES, LT275/65R20 ALL-TERRAIN, BLACKWALL (STD), SEATS, FRONT BUCKET with center console (STD), REAR AXLE, 3.42 RATIO, LPO, HARD FOLDING TRUCK BED COVER BY REALTRUCK ADVANTAGE (dealer-installed), LICENSE PLATE KIT, FRONT, INCANDESCENT LIGHTING, GVWR, 11,350 LBS. (5148 KG) (STD), ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (STD), DENALI ULTIMATE PREFERRED EQUIPMENT GROUP includes standard equipment, AUDIO SYSTEM, 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE includes color touch-screen, multi-touch display, AM/FM stereo, Bluetooth® streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones (STD). Visit Us Today Test drive this must-see, must-drive, must-own beauty today at Sun Buick GMC, 3333 Sunrise Hwy, Wantagh, NY 11793.

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
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
Rainsense automatic wipers
Side Bed Step
Black textured step pads help provide secure footing
Spray-on bedliner
Includes GMC logo on all trims except PRO
18" LT275/70R18 all-terrain, blackwall spare tire
Cargo bed LED lighting
Provides light to find cargo in the bed
Smoked Amber LED roof marker lamps
Roof-mounted lamps near the front of the cab
Winter Grille Cover
20" Ultra Bright machined aluminum wheels with gloss Black inserts
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
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
Grille (Signature Denali Ultimate grille in Vadar chrome with High Gloss Black surround.)
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
20" LT275/65R20 all-terrain, blackwall tires
Body-color front bumper
IntelliBeam
Cargo tie-downs
12-fixed rated at 500 lbs. per corner
Chrome beltline moldings
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
Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
LED taillamps with LED stop lights and animation
Rear wheelhouse liners
Tailgate with EZ Lift assist, power lock & release
Hitch area lighting
Tailgate and bed rail protection caps
GMC MultiPro Tailgate
Power lock and release
CornerStep rear bumper
Located at each end of the rear bumper
Textured step pads to help provide secure footing
LED fog lamps
Body-color rear bumper
With integrated CornerSteps
Chrome door handles
Front license plate bracket
Hard Folding Truck Bed Cover by RealTruck Advantage
Titanium Rush Metallic
Rear air vents
Provides cabin comfort for rear occupants
You can always override the feature and take control
Carpeted floor covering
Color-keyed to match the interior
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
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
Rear 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
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 carpeted floor mats
Front center console
Heated rear outboard seats
Passengers can manage heat settings with their own controls
Heated driver and front outboard passenger seats
Alpine Umber, Full Grain Leather seat trim
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
Off-Road suspension
Brake pad wear indicator
11,350 lbs. GVWR
Chrome vertical recovery hooks
Two front frame-mounted
Fully boxed frame
Hydroformed front section
High-strength steel
Push Button Start
Automatic locking rear differential
Heavy-duty dual batteries with 1460 cold-cranking amps
70 Amp-hr
Maintenance-free with rundown protection and retained accessory power
Pickup bed
Roll-formed high-strength steel
Includes bed assist step
Digital Variable Steering Assist
Skid plates
Help protect the front underbody, oil pan and transfer case
In-Vehicle Trailering App
Checklist
Trailer maintenance reminders
Trailer security alerts
Trailer mileage
Tow/haul reminder
Trailer electrical diagnostics
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
220-amp alternator
Integrated trailer brake controller
Integrated with the antilock brake system (ABS)
ProGrade Trailering System
Hitch Guidance with Hitch View
X31 Off-Road Package
Twin-tube Rancho shocks
Technology Package
AT4 Preferred Package on AT4
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
Denali Ultimate Preferred Equipment Group includes standard equipment
Snow Plow Prep / Camper Package
Power feed to accommodate a backup and roof emergency light
A single 220-amp alternator
Heavy-duty front springs
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
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

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 50 miles of Wantagh, New York

Asking price$93,934Dealer asking price

Market value$96,424Market value · based on 14 comparable cars

vs. market Fair price-2.6%Fair price · based on 14 comparable cars

Where this price sits

Among the lowest-priced · 93% of 14 similar listings ask more than this car.

Market value $96,424

This car$93,934

$90,484lowest$97,024highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Fair price$2,490 below the market value of $96,424

Price range

$90,484$97,024

2nd lowest price of 15 similar listings within 50 milesTick marks the market value · range of 14 similar listings

AutosXchange Insights

Compared with 14 new 2026 GMC Sierra 2500 Denali Ultimate listings within 50 mi.
Priced $2,490 below the market value of 14 comparable cars.
2nd lowest price of 15 similar listings within 50 miles.
Stock # 29397G — 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 11, 2026. No price change at this dealership since Nov 11 ($93,934).

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

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 Denali Ultimate · new · within 50 miles of Wantagh, New York. Showing the 12 nearest of 14 comparable cars for sale, nearest first.

Stock photo

7 photos