REAL DEALER INVENTORY · ONE PREMIUM MARKETPLACE
Sell My Car
← All vehicles
Riverhead GMC · Riverhead, NY

2026 GMC Sierra 3500 HD Denali

9 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 3500 HD
TrimDenali
Stock number56406
Mileage9 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorOnyx Black
Towing20000

Vehicle description

This striking 2026 GMC Sierra 3500HD Denali in Onyx Black delivers premium capability wrapped in refined luxury. Finished with a stunning Atmosphere/Brownstone Leather interior and featuring a legendary Duramax 6.6L V8 Turbodiesel engine, this crew cab standard bed is engineered for serious work and serious style. Built on a robust 4WD platform with a 10-speed automatic transmission, it stands ready for any challenge—whether hauling, towing, or navigating demanding terrain. This Sierra 3500HD Denali is equipped with: - Duramax 6.6L V8 Turbodiesel with dual 220-amp primary and 170-amp auxiliary alternators - MultiPro Tailgate Audio System by Kicker with premium sound - 20 machined aluminum wheels with high gloss black accents - Power-retractable assist steps and cargo tie-down rings - Denali Reserve Package with signature chrome grille - GMC Protection Package and Cargo Convenience Package - Gooseneck/5th wheel prep package for ultimate versatility - Engine block heater for cold-weather reliability - Black badging package for a cohesive modern aesthetic - MultiPro tailgate with integrated step lights Experience the perfect blend of workhorse capability and Denali sophistication. This truck commands the road with its commanding presence while delivering the premium appointments and cutting-edge technology that separate true luxury trucks from the rest. Visit our showroom today to see why this Sierra 3500HD Denali is the ultimate choice for those who refuse to compromise.

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
  • Premium Sound System
  • Place and receive hands-free phone calls
  • 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
  • Wi-Fi Hotspot capable
  • May require additional optional equipment
  • SiriusXM with 360L Trial Subscription
  • SiriusXM
  • Wireless phone projection
  • For Apple CarPlay and Android Auto
  • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
  • 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
  • CornerStep rear bumper
  • Located at each end of the rear bumper
  • Textured step pads to help provide secure footing
  • 20" LT275/65R20 all-terrain, blackwall tires
  • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
  • Cargo tie-downs
  • 12-fixed rated at 500 lbs. per corner
  • Single Rear Wheels
  • Stainless-steel beltline moldings
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Tailgate and bed rail protection caps
  • Tailgate with EZ Lift assist, power lock & release
  • Hitch area lighting
  • LED fog lamps
  • 18" LT275/70R18 all-terrain, blackwall spare tire
  • Spray-on bedliner
  • Includes GMC logo on all trims except PRO
  • Rear wheelhouse liners
  • Grille, Signature Chrome Denali grille
  • Chrome door handles
  • Rainsense automatic wipers
  • Body-color front bumper
  • Side Bed Step
  • Black textured step pads help provide secure footing
  • Smoked Amber LED roof marker lamps
  • Roof-mounted lamps near the front of the cab
  • Body-color rear bumper
  • With integrated CornerSteps
  • Deep-tinted glass
  • Provides added protection from sun and glare
  • GMC MultiPro Tailgate
  • Power lock and release
  • IntelliBeam
  • Power sliding rear window with rear defogger
  • Cargo bed LED lighting
  • Provides light to find cargo in the bed
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • Front and rear Black molded splash guards
  • Fit directly behind the wheels
  • Rear splash guards include brand logo
  • 20" machined aluminum wheels with high gloss Black accents
  • Winter Grille Cover
  • Front and rear Black GMC emblems
  • Wheels, 20" transit aluminum wheels for LPO 20" wheels and tires
  • Black nameplates
  • Add a personalized feel to your vehicle's exterior
  • Cargo tie-downs (set of 4)
  • 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
  • Power sunroof
  • Retracts into the roof
  • Offers tilt and slide features with express-open and -close
  • GMC MultiPro tailgate Step Lights
  • Front license plate bracket
  • 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
  • Onyx Black
  • Power windows with driver express-up/down
  • 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
  • Rear window defogger
  • 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
  • In-Vehicle Trailering App
  • Checklist
  • Trailer maintenance reminders
  • Trailer security alerts
  • Trailer mileage
  • Tow/haul reminder
  • Trailer electrical diagnostics
  • Front carpeted floor mats
  • Helps protect your interior from road debris and the elements
  • Denali models feature unique premium tufted carpeting
  • 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
  • Driver memory
  • Power windows with rear express-down
  • You can always override the feature and take control
  • Universal Home Remote
  • 3-channel programmable
  • Outside temperature display
  • Located in infotainment display
  • Rear carpeted floor mats
  • 12-way power driver seat
  • Includes 8-way power driver seat
  • Includes 4-way power lumbar
  • Keyless Open and Start
  • Lockout protection helps you avoid locking keys in the vehicle
  • 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)
  • USB ports
  • (2) Data/charge ports located inside center console
  • Heated rear outboard seats
  • Passengers can manage heat settings with their own controls
  • Manual tilt and telescoping steering column
  • Theft-deterrent unauthorized entry system
  • Helps deter unauthorized entry, helping to protect your vehicle
  • Steering-wheel mounted controls
  • Wireless Charging
  • Uses induction technology for select portable electronic devices
  • Convenient charging location on the top of the center console
  • (2) First row, located on console
  • 120-volt box-mounted power outlet
  • 3-prong auxiliary household-style outlet
  • Located in the pickup bed
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • Seat trim, Forge Perforated Leather seating surfaces
  • 120-volt power outlet
  • Located on the instrument panel
  • 12-way power front passenger seat
  • Includes 8-way power front passenger seat
  • Includes a 4-way power lumbar control
  • Heated driver and front outboard passenger seats
  • (2) Charge ports located on rear of console
  • Front center console
  • Compass
  • Located in instrument cluster
  • Power door locks
  • Universal Vehicle Module
  • Rear under-seat storage
  • Accessory
  • Lockable storage lid on Crew Cab models
  • Contain, organize, conceal and secure items under the rear-seat
  • All-weather floor liners
  • Provides coverage for first and second-row seating
  • Include Brand logo
  • Replaces factory floor mats
  • 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
  • Console-Mounted Safe
  • Lockable storage compartment located within center console
  • Protects and hides your valuables
  • Atmosphere/Brownstone, Forge Perforated Leather seating surfaces
  • 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
  • Four wheel drive
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • Digital Variable Steering Assist
  • Off-Road suspension
  • Skid plates
  • Help protect the front underbody, oil pan and transfer case
  • Fully boxed frame
  • Hydroformed front section
  • High-strength steel
  • 4-wheel antilock disc brakes
  • Brake pad wear indicator
  • 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
  • 12,100 lbs. GVWR
  • Heavy-duty 730 cold-cranking amps battery
  • 70 Amp-hr
  • Maintenance-free with rundown protection and retained accessory power
  • Denali Reserve Package
  • Technology Package
  • Sunroof
  • GMC Protection Package
  • All-weather floor liner
  • Denali Preferred Equipment Group includes standard equipment
  • Cargo Convenience Package
  • AT4 Preferred Package on AT4
  • Snow Plow Prep / Camper Package
  • Power feed to accommodate a backup and roof emergency light
  • A single 220-amp alternator
  • Heavy-duty front springs
  • Option/package discount
  • 3 Years OnStar One
  • Safety Services, Wi-Fi, and In-Vehicle Apps, all connected by OnStar
  • Info at OnStar.com/plans
  • Trailering Information Label

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 100 miles of Riverhead, New York
Asking price$95,320Dealer asking price · 9 mi
Market value$84,585Market value · based on 6 comparable cars
vs. market High price+12.7%High price · based on 6 comparable cars

Where this price sits

Among the highest-priced · 17% of 6 similar listings ask more than this car.

$78,563lowest$100,689highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+12.7%
−25%Market value+25%
High price$10,735 above the market value of $84,585

Price range

$95,320
$78,563$100,689
6th lowest price of 7 similar listings within 100 milesTick marks the market value · range of 6 similar listings

AutosXchange Insights

  • Compared with 6 new 2026 GMC Sierra 3500 Denali listings within 100 mi.
  • Priced $10,735 above the market value of 6 comparable cars — compare options, condition and history.
  • 6th lowest price of 7 similar listings within 100 miles.
  • About 9 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # 56406 — 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 12, 2026. No price change at this dealership since Nov 12 ($95,320).

$95.1k$95.2k$95.3k$95.4k$95.5k$95.6kNov 11Nov 12

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 Denali · new · within 100 miles of Riverhead, New York. All 6 comparable cars for sale, nearest first.

More GMC Sierra 3500 near Riverhead

All years and trims. Nearest first.