Sullivan Buick GMC FL · Ocala, FL

2026 GMC Sierra 2500 HD Denali

0 miles · truck

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PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 2500 HD

TrimDenali

VIN1GT4UREY6TF325388

Stock number26K678

BodyPickup

Engine6.6L V8 turbo

Cylinders8

Displacement6.6L

TransmissionAutomatic

Drivetrain4WD

FuelDiesel

ExteriorSterling Metallic

InteriorJet Black, Forge Perforated Leather Seat Trim

Towing18500

Vehicle description

Introducing the 2026 GMC Sierra 2500HD Denali, a premium heavy-duty truck designed for those who demand capability and refinement in equal measure. - Power-Retractable Assist Steps with LED Perimeter Lighting - Duramax 6.6L V8 Turbodiesel Engine with 470 hp and 975 lb-ft of torque - Denali Reserve Package with Technology Package and Power Sunroof - Gooseneck/5th Wheel Prep Package with Hitch Platform - Trailer Tire Pressure Monitor Sensors - Bose Premium 7-Speaker Sound System with SiriusXM 360L - Premium GMC Infotainment System with Apple CarPlay and Android Auto - 12-Way Power Driver and Passenger Seats with Lumbar Support and Ventilation - Heated and Ventilated Front Seats with Heated Rear Seats - HD Surround Vision and Bed View Camera with Trailer Camera Provisions - Multicolor 15 Head-Up Display - Wireless Phone Projection and Charging - Off-Road Suspension with 2-Speed Active Transfer Case - 20 Ultra Bright Machined Alloy Wheels - Spray-On Pickup Bedliner with GMC Logo This truck combines professional-grade performance with luxury appointments. The Duramax turbodiesel engine delivers substantial torque for heavy hauling and towing, while the advanced transmission ensures smooth power delivery across all driving conditions. The 4WD system with off-road suspension and hill descent control provides reliable capability whether you're navigating challenging terrain or managing jobsite demands. Inside, the cabin reflects Denali's commitment to sophistication. Genuine wood dashboard and door panel inserts frame an interior appointed with perforated leather seats. The 12-way power adjustable seating with lumbar support and ventilation keeps you comfortable during extended drives. Climate zones, heated steering wheel, and heated rear seats ensure passenger comfort in any weather. Technology integration rivals luxury sedans in this class. The 15-inch head-up display keeps essential information in your line of sight, while the HD surround vision system and bed view camera with trailer camera provisions simplify maneuvering and towing operations. The in-vehicle trailering app with trailer tire pressure monitoring sensors gives you real-time visibility into trailer conditions. Entertainment and connectivity are seamlessly delivered through the Bose premium audio system and premium GMC infotainment platform. SiriusXM 360L keeps you connected to your favorite programming, while wireless phone projection and charging stations accommodate today's mobile lifestyle. The truck's commanding stance is accentuated by signature chrome Denali grille, power-retractable assist steps with LED perimeter lighting, and 20-inch ultra bright machined wheels finished in silver paint. The spray-on bedliner with GMC logo protects your investment while maintaining the refined appearance expected from a Denali truck. Safety systems work together to protect you and your passengers. Forward collision alert, automatic emergency braking, lane departure warning, trailer side blind zone alert, and rear cross traffic alert provide comprehensive awareness. Ultrasonic front and rear park assist further enhances confidence in tight spaces. This 2026 Sierra 2500HD Denali represents the pinnacle of heavy-duty truck engineering, where raw capability meets refined comfort and cutting-edge technology. Price includes: $1500 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026 $4000 - GMC Bonus Cash. Exp. 11/30/2026

Features & options (250)

Adaptive Cruise Control
Bluetooth®
Heated Steering Wheel
Remote Start
4WD/AWD
Android Auto
Apple CarPlay
Leather Seats
Wi-Fi Hotspot
Auto Dimming Mirror
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
Premium Sound System
Place and receive hands-free phone calls
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
Wireless phone projection
For Apple CarPlay and Android Auto
SiriusXM with 360L Trial Subscription
SiriusXM Trial Subscription
LED fog lamps
Spare tire carrier lock
Helps keep spare tire secure
Tailgate with EZ Lift assist, power lock & release
Hitch area lighting
Body-color rear bumper
With integrated CornerSteps
Grille (Signature Chrome Denali grille.)
Tailgate and bed rail protection caps
IntelliBeam
Rear wheelhouse liners
Smoked Amber LED roof marker lamps
Roof-mounted lamps near the front of the cab
20" LT275/65R20 all-terrain, blackwall tires
20" Ultra Bright machined aluminum wheels with bright chrome inserts
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
18" LT275/70R18 all-terrain, blackwall spare tire
Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
LED taillamps with LED stop lights and animation
Side Bed Step
Black textured step pads help provide secure footing
GMC MultiPro Tailgate
Power lock and release
Rainsense automatic wipers
CornerStep rear bumper
Located at each end of the rear bumper
Textured step pads to help provide secure footing
Deep-tinted glass
Provides added protection from sun and glare
Body-color front bumper
Spray-on bedliner
Includes GMC logo on all trims except PRO
Chrome mirror caps
Chrome beltline moldings
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
Cargo bed LED lighting
Provides light to find cargo in the bed
Chrome door handles
Cargo tie-downs
12-fixed rated at 500 lbs. per corner
Cab-mounted cargo area lamps
Activated by switch located on center switch bank
Illuminates the cargo bed area
Winter Grille Cover
Assist handle, side
Bed mounted (fold out grab handle for extra support)
Power sunroof
Retracts into the roof
Offers tilt and slide features with express-open and -close
Sterling Metallic
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
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
Wrapped steering wheel
Carpeted floor covering
Color-keyed to match the interior
Ventilated driver and front passenger seats
Individually controlled
Cooling feature includes both seatbacks and cushions
Steering-wheel mounted controls
Power door locks
Front carpeted floor mats
Helps protect your interior from road debris and the elements
Denali models feature unique premium tufted carpeting
12-way power front passenger seat
Includes 8-way power front passenger seat
Includes a 4-way power lumbar control
Compass
Located in instrument cluster
Driver memory
12.3" diagonal color Driver Information Center
High definition display provides crisp, premium appearance
120-volt box-mounted power outlet
3-prong auxiliary household-style outlet
Located in the pickup bed
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
Power sliding rear window with rear defogger
Assist handles
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Dual-zone automatic climate control
Allows individual climate settings for both driver and front passenger
Rear carpeted floor mats
Manual tilt and telescoping steering column
Keyless Open and Start
Lockout protection helps you avoid locking keys in the vehicle
Power windows with driver express-up/down
Theft-deterrent unauthorized entry system
Helps deter unauthorized entry, helping to protect your vehicle
Front bucket seats
USB ports
(2) Data/charge ports located inside center console
Heated rear outboard seats
Passengers can manage heat settings with their own controls
Outside temperature display
Located in infotainment display
You can always override the feature and take control
Rear window defogger
Universal Home Remote
3-channel programmable
Wireless Charging
Uses induction technology for select portable electronic devices
Convenient charging location
Inside rearview auto-dimming mirror
Rear Seat Reminder
Seat trim, Forge Perforated Leather
(2) First row, located on console
(2) Charge ports located on rear of console
Heated driver and front outboard passenger seats
120-volt power outlet
Located on the instrument panel
12-way power driver seat
Includes 8-way power driver seat
Includes 4-way power lumbar
Front center console
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
Jet Black, Forge Perforated Leather seat trim
Hill Descent Control
Uses antilock braking to help provide a smooth, controlled descent
Activates by pushing a button below the instrument panel
Four wheel drive
Integrated trailer brake controller
Integrated with the antilock brake system (ABS)
4-wheel antilock disc brakes
Heavy-Duty Air Filter
Automatic locking rear differential
Chrome vertical recovery hooks
Two front frame-mounted
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
Brake pad wear indicator
Fully boxed frame
Hydroformed front section
High-strength steel
Off-Road suspension
In-Vehicle Trailering App
Checklist
Trailer maintenance reminders
Trailer security alerts
Trailer mileage
Tow/haul reminder
Trailer electrical diagnostics
Digital Variable Steering Assist
Skid plates
Help protect the front underbody, oil pan and transfer case
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
220-amp alternator
Emissions, Federal requirements
Gooseneck / 5th Wheel Prep Package
Hitch platform to accept Gooseneck or 5th wheel hitch
Box mounted 7-pin trailer harness
Denali Reserve Package
Technology Package
Sunroof
Denali Preferred Equipment Group includes standard equipment
AT4 Preferred Package on AT4
Option/package discount
3 Years OnStar One
Safety Services, Wi-Fi, and In-Vehicle Apps, all connected by OnStar
Info at OnStar.com/plans
Signature LED Daytime Running Lamps
LED Daytime Running Lamps
Trailering camera provisions
Includes connector for accessory wiring harness
Seat Belt Adjustable Guide Loops
Front row only
Trailer Side Blind Zone 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
Forward Collision Alert
Bed View Camera
Includes 2 Trailer Camera Provisions
Following Distance Indicator
Designed to help you maintain a safe following distance
OnStar services capable
Teen Driver
Hitch View
Shows a close-up view of the trailer hitch
Rear Seat Belt Indicator
Hitch Guidance

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 Ocala, Florida

Asking price$81,504Dealer asking price

Market value$88,934Market value · based on 30 comparable cars

vs. market Good deal-8.4%Good deal · based on 30 comparable cars

Where this price sits

Among the lowest-priced · 90% of 30 similar listings ask more than this car.

Market value $88,934

This car$81,504

$77,066lowest$90,819highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Good deal$7,430 below the market value of $88,934

Price range

$77,066$90,819

4th lowest price of 31 similar listings within 50 milesTick marks the market value · range of 30 similar listings

AutosXchange Insights

Compared with 30 new 2026 GMC Sierra 2500 Denali listings within 50 mi.
Priced $7,430 below the market value of 30 comparable cars.
4th lowest price of 31 similar listings within 50 miles.
Stock # 26K678 — 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 10, 2026. No price change at this dealership since Nov 10 ($81,504).

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

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 15); 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 · new · within 50 miles of Ocala, Florida. Showing the 12 nearest of 30 comparable cars for sale, nearest first.

2026 GMC Sierra 2500 HD Denali for sale at Sullivan Buick GMC FL in Ocala, FL

Good deal

36 photos