Delray Buick GMC · Delray Beach, FL

2026 GMC Sierra 2500 HD Denali

3 miles · truck

1 / 30 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 2500 HD

TrimDenali

VIN1GT4URE78TF404780

Stock number404780G

Mileage3 miles

BodyPickup

Engine6.6L 8-cyl

Cylinders8

Displacement6.6L

Horsepower401

TransmissionAutomatic

Drivetrain4WD

FuelGasoline

ExteriorOnyx Black

InteriorAtmosphere/Brownstone, Forge Perforated Leather se

Doors4

Towing16000

Vehicle description

Denali, 10-Speed Automatic, 4WD, Onyx Black, Atmosphere/Brownstone w/Forge Perforated Leather-Appointed Front Seat Trim, 20" High Gloss Black Painted Wheels, Forge Perforated Leather-Appointed Front Seat Trim, Gooseneck/5th Wheel Prep Package, Inside Rearview Auo-Dimming Rear Camera Mirror, Multicolor 15" Diagonal Head-Up Display, Radio: AM/FM Stereo with Premium GMC Infotainment System, Technology Package, Wheels: 20" Transit Aluminum. 2026 GMC Sierra 2500HD Denali 4WD 10-Speed Automatic 6.6L V8 Onyx Black Dealer Discount of $2,523 off MSRP - Dealer discount available to everyone.

Features & options (156)

Basic
Corrosion
Maintenance
Roadside Assistance
Max seating capacity
Fuel System
Fuel tank capacity
Horsepower
Towing capacity
13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth
Bose Premium Sound System
SiriusXM with 360L Trial Subscription
Wi-Fi Hotspot capable
Wireless phone projection
18" LT275/70R18 all-terrain, blackwall spare tire
20" High gloss Black painted wheels
20" LT275/65R20 all-terrain, blackwall tires
6" Chrome rectangular assist steps (factory installed)
Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
Body-color front bumper
Body-color rear bumper
Cab-mounted cargo area lamps
Cargo bed LED lighting
Cargo tie-downs
Chrome beltline moldings
Chrome door handles
Chrome mirror caps
CornerStep rear bumper
Deep-tinted glass
GMC MultiPro Tailgate
IntelliBeam
LED fog lamps
Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
Polished exhaust tip
Rainsense automatic wipers
Rear wheelhouse liners
Side Bed Step
Smoked Amber LED roof marker lamps
Spare tire carrier lock
Spray-on bedliner
Tailgate and bed rail protection caps
Tailgate with EZ Lift assist, power lock & release
12-way power driver seat
12-way power front passenger seat
12.3" diagonal color Driver Information Center
120-volt box-mounted power outlet
120-volt power outlet
Adaptive Cruise Control
Assist handles
Carpeted floor covering
Compass
Driver memory
Dual-zone automatic climate control
Front bucket seats
Front center console
Head-Up Display
Heated driver and front outboard passenger seats
Heated rear outboard seats
Heated steering wheel
Inside rearview auto-dimming mirror
Keyless Open and Start
Manual tilt and telescoping steering column
Outside temperature display
Power door locks
Power sliding rear window with rear defogger
Power windows with driver and front passenger express-up/down
Power windows with driver express-up/down
Power windows with rear express-down
Premium front floor liners with removable carpet insert
Premium rear floor liners with removable carpet insert
Rear Camera Mirror
Rear Seat Reminder
Rear air vents
Rear window defogger
Remote Start
Steering-wheel mounted controls
Theft-deterrent unauthorized entry system
USB ports
Universal Home Remote
Up-level rear seat with storage package
Ventilated driver and front passenger seats
Wireless Charging
Wrapped steering wheel
10,850 lbs. GVWR
10-speed automatic transmission
170-amp alternator
3.73 rear axle ratio
4-wheel antilock disc brakes
6.6L V8 Gas engine
Air filtration monitoring
Automatic locking rear differential
Autotrac 2-speed transfer case with push button controls
Brake pad wear indicator
Capless fuel fill
Chrome vertical recovery hooks
Digital Variable Steering Assist
External auxiliary transmission oil cooler
External engine oil cooler
Fully boxed frame
Gooseneck / 5th Wheel Prep Package
Heavy-Duty Air Filter
Heavy-duty 720 cold-cranking amps battery
Hill Descent Control
In-Vehicle Trailering App
Integrated trailer brake controller
Off-Road suspension
Pickup bed
Push Button Start
Skid plates
3 Years OnStar One
LED Daytime Running Lamps
Signature LED Daytime Running Lamps
6 airbags
Bed View Camera
Buckle to Drive
Following Distance Indicator
Forward Collision Alert
Front and Rear Park Assist
HD Surround Vision
Hitch Guidance
Hitch View
Lane Departure Warning
OnStar Basics
OnStar services capable
Rear Cross Traffic Alert
Rear Seat Belt Indicator
Safety Alert Seat
Seat Belt Adjustable Guide Loops
Teen Driver
Tire Pressure Monitoring System with Tire Fill Alert
Trailer Side Blind Zone Alert
Trailering Information Label
Trailering camera provisions
Automatic Emergency Braking
Front Pedestrian Braking
StabiliTrak, electronic stability control system with traction control
ProGrade Trailering System:
Hitch Guidance with Hitch View
Sierra HD Pro Safety:
Technology Package:
Multi-color 15" Diagonal Head-Up Display
AT4 Preferred Package on AT4
May require additional optional equipment
Trailering Package:
Trailer hitch
Trailering hitch platform
X31 Off-Road Package:
Twin-tube Rancho shocks
ProGrade Trailering System
Sierra HD Pro Safety
Technology Package
Trailering Package
X31 Off-Road Package
In-vehicle Trailering App

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 Delray Beach, Florida

Asking price$82,820Dealer asking price · 3 mi

Market value$85,485Market value · based on 39 comparable cars

vs. market Fair price-3.1%Fair price · based on 39 comparable cars

Where this price sits

Among the lowest-priced · 92% of 39 similar listings ask more than this car.

Market value $85,485

This car$82,820

$74,438lowest$94,040highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Fair price$2,665 below the market value of $85,485

Price range

$74,438$94,040

4th lowest price of 40 similar listings within 50 milesTick marks the market value · range of 39 similar listings

AutosXchange Insights

Compared with 39 new 2026 GMC Sierra 2500 Denali listings within 50 mi.
Priced $2,665 below the market value of 39 comparable cars.
4th lowest price of 40 similar listings within 50 miles.
About 3 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # 404780G — 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 7, 2026. No price change at this dealership since Nov 7 ($82,820).

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 Delray Beach, Florida. Showing the 12 nearest of 39 comparable cars for sale, nearest first.

2026 GMC Sierra 2500 HD Denali for sale at Delray Buick GMC in Delray Beach, FL

Fair pricePrice drop −$906

30 photos