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Vachon GMC · Putnam, CT

2026 GMC Sierra 2500 HD Denali

1 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 2500 HD
TrimDenali
Stock numberSHB6012
Mileage1 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorGlacier White Tricoat
InteriorJet Black, Forge Perforated Leather Seat Trim
Towing18500

Vehicle description

Experience the pinnacle of heavy-duty capability and luxury with the new 2026 GMC Sierra 2500 HD Denali Crew Cab 4WD. With only 1 mile on the odometer, this truck boasts a formidable Duramax 6.6L Turbo-Diesel V8 (470hp, 975 lb-ft) paired with a 10-speed Allison automatic transmission and advanced 4X4 system. The Denali Reserve Package adds a power sunroof, 15" head-up display, and rear camera mirror for cutting-edge convenience. Stay comfortable with ventilated and heated leather seats (front and rear), a heated steering wheel, and dual-zone automatic climate control. Trailering is effortless thanks to the ProGrade Trailering System, trailer brake controller, and gooseneck/5th wheel prep. Off-road ready with the X31 Off-Road Package, Rancho shocks, and skid plates. Advanced safety features include HD Surround Vision, Forward Collision Alert, Lane Departure Warning, and more. Enjoy seamless connectivity with a 13.4" touchscreen, Bose Premium Audio, wireless charging, and Google Built-In. The signature Denali grille, 22" black wheels, spray-on bedliner, and MultiPro Tailgate complete this versatile, premium truck. Ready for work or play, the Sierra 2500 HD Denali sets a new benchmark for trucks.

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
  • 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
  • 22" LT265/60R22E all-terrain blackwall tires
  • 22" Transit steel, painted Black wheels
  • Winter Grille Cover
  • 22" Gloss Black aluminum wheels
  • Power sunroof
  • Retracts into the roof
  • Offers tilt and slide features with express-open and -close
  • Front license plate bracket
  • 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
  • Glacier White Tricoat
  • 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
  • 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
  • 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
  • Premium rear floor liners with removable carpet insert
  • Premium front floor liners with removable carpet insert
  • 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
  • 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
  • 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
  • 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

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 Putnam, Connecticut
Asking price$88,280Dealer asking price · 1 mi
Market value$83,698Market value · based on 13 comparable cars
vs. market High price+5.5%High price · based on 13 comparable cars

Where this price sits

Among the highest-priced · 8% of 13 similar listings ask more than this car.

$81,660lowest$91,044highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+5.5%
−25%Market value+25%
High price$4,582 above the market value of $83,698

Price range

$88,280
$81,660$91,044
13th lowest price of 14 similar listings within 50 milesTick marks the market value · range of 13 similar listings

AutosXchange Insights

  • Compared with 13 new 2026 GMC Sierra 2500 Denali listings within 50 mi.
  • Priced $4,582 above the market value of 13 comparable cars — compare options, condition and history.
  • 13th lowest price of 14 similar listings within 50 miles.
  • About 1 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # SHB6012 — 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 9, 2026. No price change at this dealership since Nov 9 ($88,280).

$88.0k$88.1k$88.2k$88.3k$88.4k$88.5kNov 9Nov 10Nov 11Nov 12

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

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 · new · within 50 miles of Putnam, Connecticut. Showing the 12 nearest of 13 comparable cars for sale, nearest first.

More GMC Sierra 2500 near Putnam

All years and trims. Nearest first.