2026 Chevrolet Silverado 2500 HD Custom

  • New
  • Diesel
MSRP
$70,980
Sullivan Savings
-$4,018
Dealer Conveyance Fee
$479
Customer CashDetails
-$1,000
Featured Price
$66,441
GM Military OfferDetails
-$500
Value Your Trade
O'Neill's Chevrolet
Location Details
Website
Call 860-404-6129
We’re here to help

    The overview

    Exterior Color
    White Sands
    Interior Color
    Jet Black, Cloth seat trim
    Transmission
    Automatic
    Drivetrain
    4WD
    Engine
    6.6L Duramax Turbo-Diesel V8 engine
    VIN
    2GC4KMEY9T1229710
    Stock Number
    T26264
      • Basic: 3 Years/36,000 Miles
      • Corrosion: 3 Years/36,000 Miles, Rust-Through, 6 Years/100,000 Miles
      • Drivetrain: 5 Years/60,000 Miles, 3.0L & 6.6L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
      • Maintenance: First Visit: 12 Months/12,000 Miles
      • Roadside Assistance: 5 Years/60,000 Miles, 3.0L & 6.6L Duramax® Turbo-Diesel engines, and certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
      • Warranty: <<< Preliminary 2026 Warranty >>>
      • Max seating capacity: 6
      • Fuel System: N/A
      • Fuel tank capacity: 36 gal
      • Horsepower: 470
      • Towing capacity: 18500 lbs
      • 6-speaker audio system:
        • Speakers are positioned throughout the cabin for outstanding sound quality and an enjoyable listening experience
      • Chevrolet Infotainment 3 System with 7" diagonal color touchscreen:
        • 7" diagonal color touchscreen1
        • Bluetooth®2 audio streaming for 2 active devices for compatible phones
        • Voice command pass-through to phone for compatible phones
        • Apple CarPlay™ capability for compatible phones3
        • Android Auto™ capability for compatible phone4
        • Use, control and manage select smartphone apps through the Infotainment system
      • SiriusXM with 360L Trial Subscription:
        • With your trial subscription, new GM vehicles equipped with SiriusXM with 360L advance in-car technology will bring you closer to your favorite stars, artists, creators, hosts and athletes1
        • SiriusXM with 360L transforms your ride with our most extensive and personalized radio experience on the road that lets you enjoy ad-free music, talk and news, live sports, comedy, podcasts and more
        • Experience SiriusXM wherever you go in your vehicle and on the SiriusXM app with personalization features to make discovering your perfect entertainment easier than ever before
      • Wi-Fi® Hotspot capable:
        • Terms and limitations apply. See onstar.com or dealer for details.
      • Wireless phone projection:
        • For Apple CarPlay™1 and Android Auto™2
      • 120-volt box-mounted power outlet:
        • 3-prong auxiliary household-style outlet
        • Located in the pickup bed
        • May require additional optional equipment
      • 18" LT275/70R18 all-terrain, blackwall spare tire:
        • May require additional optional equipment
      • 20" 10-spoke machined aluminum wheels with Grazen Metallic painted accents:
        • May require additional optional equipment
      • 20" LT275/65R20 all-terrain, blackwall tires:
        • May require additional optional equipment
      • 6" Black rectangular assist steps:
        • Steps make it easier to get in and out of your vehicle
        • Textured step pads help provide secure footing
        • Black powder-coat finish
      • Black beltline moldings:
        • May require additional optional equipment
      • Black door handles
      • Black outside power-adjustable vertical trailering mirrors with power folding/manual extending auto-dimming driver upper glass:
        • Lower convex mirrors
        • Heated upper glass
        • Integrated turn signal indicators
        • Puddle lamps
        • Perimeter lighting
        • Auxiliary lighting
        • Extends 3.31-inches
        • May require additional optional equipment
      • Body-color front bumper:
        • High gloss black on Custom
        • May require additional optional equipment
      • Body-color rear bumper:
        • High gloss black on Custom
        • May require additional optional equipment
      • Cab-mounted cargo area lamps:
        • With switch in switch bank left of the steering wheel
        • Illuminates the cargo bed area
      • Cargo bed LED lighting:
        • Provides light to find cargo in the bed
        • Rear pillar lamps
      • Cargo tie-downs:
        • 12-fixed rated at 500 lbs. per corner
      • Chevytec spray-on bedliner:
        • Provides a Black, textured, non-skid surface that helps minimize cargo shifting
        • Covers the bed interior surface below side rails, front bed top rail, gauge hole plugs and tie-downs
        • Chemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight seal
        • Includes Chevrolet logo
        • High Country models include High Country logo
      • CornerStep rear bumper:
        • Helps make it easier to get into and out of the pickup bed
        • 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
      • Front and rear Black molded splash guards:
        • Help protect the exterior of your vehicle from tire splash and road debris
        • Custom molded to match the exterior of your vehicle for an integrated, stylish appearance
        • Fit directly behind the wheels
        • Rear splash guards include brand logo
      • Front license plate bracket:
        • Front bracket is included if displaying a front license plate is required in your state
      • Halogen headlamps:
        • Dual halogen projector lamps help provide more even light distribution for improved visibility
        • Twin reflectors
        • Includes integrated daytime running lamps
      • Incandescent taillamps with stop and reverse lights
      • IntelliBeam:
        • At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1
      • Locking tailgate:
        • Tailgate locks and unlocks with the same key as the ignition and door
      • Side BedStep:
        • Black textured step pads help provide secure footing
        • Integrated on forward portion of outer bed on driver and passenger side to provide ease of access to forward portion of the bed
      • Smoked Amber LED roof marker lamps:
        • Roof-mounted lamps near the front of the cab
      • Spare tire carrier lock:
        • Helps keep spare tire secure
        • Utilizes the same key as the door and ignition
      • Standard tailgate
      • Tailgate and bed rail protection caps
      • Tailgate with EZ Lift assist, power lock & release:
        • Hitch area lighting
        • May require additional optional equipment
      • Winter Grille Cover:
        • May require additional optional equipment
      • 10-way power driver seat with power lumbar:
        • Forward and back
        • Up and down
        • Tilt seat cushion back and upright
        • Recline seatback up and down
        • Includes 2-way power lumbar
        • May require additional optional equipment
      • 12-volt auxiliary front power outlet
      • 120-volt power outlet:
        • 3-prong auxiliary household-style outlet
        • Located on the instrument panel
        • Makes it convenient for powering laptops, phone chargers and other electronic devices
        • May require additional optional equipment
      • 3.5" diagonal monochromatic Driver Information Center
      • 4-way manual front passenger seat:
        • Can be positioned forward or back and up or down
      • 40/20/40 split-bench front seat with under-seat storage:
        • Seating for up to 3
        • Driver and front passenger seatbacks recline
        • Head restraints at the outboard seating positions
        • Center seatback that doubles as a fold-down armrest with storage
      • 60/40 split-folding rear bench seat:
        • Includes child seat top tether anchor
        • Can fold one or both sides up
        • May require additional optional equipment
      • Assist handles:
        • Front A-pillar mounted for Driver and Passenger
        • Rear B-pillar mounted
      • Carpeted floor covering:
        • Color-keyed to match the interior
      • Charge / Data USB ports:
        • Located on instrument panel1
      • Charging-only USB ports, 2nd row:
        • May require additional optional equipment
      • Chevrolet Connected Access capable:
        • Subject to terms. See onstar.com or dealer for details.
      • Cruise control:
        • Maintains a selected speed while driving
        • Automatically disengages when the vehicle's traction control system needs to limit wheelspin on slippery surfaces or when the StabiliTrak® stability control system detects an oncoming skid
        • Set and resume speed functions
        • Steering-wheel mounted controls to easily maintain and manage cruising speed
      • Front rubberized-vinyl floor mats:
        • Helps protect your interior from road debris and the elements
        • May require additional optional equipment
      • Inside rearview auto-dimming mirror:
        • Automatically dims the inside rearview mirror when it senses bright light from behind
        • When headlamp glare is no longer detected, the mirror returns to its normal state
        • May require additional optional equipment
      • Instrumentation:
        • 6-gauge cluster
        • Speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
      • Manual tilt steering column:
        • Allows the steering wheel to be manually adjusted up or down
        • Provides extra comfort when entering or exiting the vehicle
        • Locking security feature
      • Power door locks:
        • Programmable
        • Allows you to lock and unlock doors easily whether it's from the driver or front passenger seat or from outside using the key fob (when equipped)
      • Power windows with driver express-up/down:
        • Quickly raises the window or lowers it with the touch of a button
        • If an obstruction is detected, the anti-pinch feature will auto-reverse
      • Power windows with front passenger express-down:
        • Quickly lowers the window with the touch of a button
        • If an obstruction is detected, the anti-pinch feature will auto-reverse
      • Power windows with rear express-down
      • Rear Seat Reminder:
        • Helps to remind the driver to check the back seat(s) before leaving the vehicle1
        • Activates when rear doors are opened and closed up to 10 minutes before or anytime while your vehicle is on
        • Under certain conditions, once the vehicle is switched off, designed to sound audible chimes and display a visual message within the driver display
        • Activates only once each time the vehicle is turned on and off, and would require re-activation on a second trip
      • Rear air vents:
        • Provides cabin comfort for rear occupants
      • Rear rubberized-vinyl floor mats:
        • Helps protect your interior from road debris and the elements
        • May require additional optional equipment
      • Rear window defogger:
        • Helps to keep your rear view clear of fog or frost
        • Utilizes a warming grid to help remove fog or frost from the rear window
      • Remote Keyless Entry:
        • Allows you to lock and unlock doors of the vehicle with the key fob
        • Driver's door or all doors unlock at the touch of a button
        • Includes remote locking tailgate
      • Remote Start:
        • Start your vehicle remotely and step into a comfortably warmed or cooled vehicle, depending on the weather and your preset preferences
        • Locks doors and turns on parking lamps while the engine is running
        • Activates the climate control system
        • May require additional optional equipment
      • Single-zone climate control:
        • Maintains a selected temperature
        • Manual
      • Steering wheel
      • Theft-deterrent unauthorized entry system:
        • Sounds the horn and flashes the turn signals when someone attempts to open the vehicle without the proper key or remote transmitter
        • Helps deter unauthorized entry, helping to protect your vehicle
        • May require additional optional equipment
      • Upfitter switches:
        • Program electrical components such as exterior lighting, snow removal equipment or other features to turn on and off at the flip of a switch
        • Allows the driver to operate upfitter-installed equipment conveniently from inside the cab
        • Provides 3-30 amp and 2 20 amp configurable circuits to facilitate installation of aftermarket electrical accessories by the dealer or upfitter1 at customer expense
        • Installation instructions and technical assistance available at www.gmupfitter.com
      • 10-speed automatic transmission:
        • Tow/Haul mode reduces shift cycling for better control and improved cooling when towing or hauling heavy loads
        • Electronically controlled with overdrive
        • Auto Grade Braking that automatically downshifts when needed to enable engine braking, helping to slow the vehicle on downhill grades and reduce brake wear (operates in Tow/Haul mode)
        • May require additional optional equipment
      • 220-amp alternator
      • 3.42 rear axle ratio:
        • Requires a diesel engine
      • 4-wheel antilock disc brakes:
        • Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
        • DuraLife™ brake rotors feature a hardened surface to reduce corrosion and provide quieter braking with less vibration. DuraLife™ rotors are hardened and strengthened during the manufacturing process
        • Brake system features a corrosion-fighting process called Ferritic Nitro-Carburizing (FNC) which can double rotor life expectancy and reduce or minimize rust over non-FNC coated rotors
      • 6.6L Duramax Turbo-Diesel V8 engine:
        • 470 hp [350.5 kW] @ 2800 rpm
        • 975 lb-ft of torque [1322 Nm] @ 1600 rpm
        • 3.42 rear axle ratio
        • Exhaust brake
        • Engine block heater
        • Capped fuel fill
        • Winter grille cover
        • Paired with an Allison® 10-speed automatic transmission
        • Diesel Exhaust Fluid (DEF) fill located in fuel door
        • Engine after run feature for cooling performance
        • May require additional optional equipment
      • Air filtration monitoring:
        • Alerts the driver when the engine air filter needs replacement
      • Automatic locking rear differential:
        • When the differential senses a significant difference in wheel speed, it locks to turn both rear wheels in unison for added traction
        • The Eaton® Locker senses a difference in wheel speed of approximately 100 rpm
      • Brake pad wear indicator
      • Capped fuel fill:
        • Requires diesel engine or pickup bed delete
      • Diesel exhaust brake:
        • Reduces the amount of conventional braking needed while towing a heavy trailer or driving downhill
        • Uses the variable vanes in the turbocharger to smoothly and quietly create additional back pressure in the engine to help slow the vehicle
        • Works with the transmission's Tow/Haul mode and Auto Grade Braking to help the driver maintain the desired speed even on long, steep downgrades
        • Switch activated
        • May require additional optional equipment
      • Durabed:
        • Roll-formed high-strength steel
        • 12 standard cargo tie-downs
        • CornerStep Rear Bumper
      • Electronic shift 2-speed transfer case with push button controls:
        • System shift smoothly between drive settings to handle a variety of road conditions
        • 2WD High for most on-road and highway situations
        • 4WD High for snowy or wet roads when added traction is needed
        • 4WD Low for deep sand, mud or snow to provide maximum torque to all 4 wheels
        • Neutral
          • ONLY used for towing vehicle (Dinghy tow capability)- allows vehicle to roll freely
        • May require additional optional equipment
      • Engine block heater:
        • Helps ease cold weather starts
        • Heats the engine and engine block fluids
        • Plug is conveniently located on driver's side lower fascia
      • External auxiliary transmission oil cooler:
        • Heavy-duty air-to-oil cooler
        • Helps provides optimal transmission performance even when operating under a heavy load or towing a trailer
      • External engine oil cooler:
        • Heavy-duty air-to-oil cooler
        • Helps extend engine oil life under heavy loads
      • Fully boxed frame:
        • Hydroformed front section
        • High-strength steel
      • Heavy-Duty Air Filter:
        • Thick construction helps to trap more dirt before it can enter the air intake
      • Heavy-duty dual batteries with 1460 cold-cranking amps:
        • 70 Amp-hr
        • Maintenance-free with rundown protection and retained accessory power
        • May require additional optional equipment
      • Integrated trailer brake controller:
        • Integrated with the antilock brake system (ABS)
        • Helps provide measured brake force signaling to electric-controlled trailer brake systems
        • Trailer gain and output are displayed in the Driver Information Center
        • May require additional optional equipment
      • Push Button Start
      • Single-outlet exhaust
      • Skid plates:
        • Help protect the front underbody, oil pan, differential case and transfer case
        • May require additional optional equipment
      • Steering:
        • Recirculating Ball with smart flow power steering system
      • Suspension Package:
        • Designed to help maintain handling and ride quality while towing a trailer or carrying a load
      • Custom Convenience Package:
        • 10-way power driver seat including power lumbar
        • Remote Start
        • Content theft alarm
        • Rear-window defogger
        • LED cargo bed lighting
        • EZ Lift power lock and release tailgate
        • Trailer brake controller
        • 120-volt power outlet
        • 120-volt bed mounted power outlet
        • 2 USB charging-only ports1 for rear passengers
      • Custom Value Package:
        • Custom Convenience Package
        • WT/CX Safety Package
        • Black outside power-adjustable vertical trailering mirrors with power folding/manual extending auto-dimming driver upper glass
        • Auto-dimming inside rearview mirror
      • Gooseneck / 5th Wheel Prep Package:
        • Hitch platform to accept Gooseneck or 5th wheel hitch
        • Hitch platform with tray to accept ball and stamped box holes with caps installed
        • Box mounted 7-pin trailer harness
        • May require additional optional equipment
      • Snow Plow Prep / Camper Package:
        • Power feed to accommodate a backup and roof emergency light1
        • A single 220-amp alternator
        • Heavy-duty front springs
        • Under body skid plates to help protect the transfer case from debris
        • May require additional optional equipment
      • Trailering Package:
        • Trailer hitch1
        • Trailering hitch platform
        • Includes a 2.5" receiver hitch (with 2" insert), 4-pin and 7-pin connectors
        • 7-wire electrical harness and 7-pin sealed connector for connecting your trailer's lights and brakes to your vehicle
        • Hitch Guidance2
      • WT/CX Safety Package:
        • Rear Park Assist1
        • Lane Change Alert with Side Blind Zone Alert1
        • Rear Cross Traffic Alert1
        • WT includes front and rear Chrome bumpers
        • May require additional optional equipment
      • Trailering Information Label:
        • Provides max trailer ratings for tongue weight, conventional, gooseneck hitch and 5th wheel hitch
      • Daytime Running Lamps:
        • Includes automatic exterior lamp control
      • 6 airbags:
        • Dual-stage frontal airbags for driver and front outboard passenger1
        • Seat-mounted side-impact airbags for driver and front outboard passenger1
        • Head-curtain airbags for outboard seating positions1
        • Includes front outboard Passenger Sensing System for frontal outboard passenger airbag and illuminates a status light that indicates whether the airbag is on or off1
      • Buckle to Drive:
        • Helps remind the driver to buckle their seat belt before driving by preventing the vehicle from being shifted out of PARK temporarily when the driver's seat belt is not buckled
        • The feature also reminds the front passenger to buckle up, if equipped
      • Following Distance Indicator:
        • Displays the following time in seconds between your vehicle and a detected vehicle in front of you1
        • Designed to help you maintain a safe following distance
      • Forward Collision Alert:
        • Warns you if it detects a potential collision with a detected vehicle you're following so you can take action1
        • Can also provide a tailgating alert if you're following a vehicle much too closely
      • Front and Rear Park Assist:
        • Provides alerts of nearby detected vehicles and objects in front of or behind your vehicle1
        • These can help you park and avoid collisions
        • May require additional optional equipment
      • HD Rear Vision Camera:
        • Shows high-resolution digital image of area directly behind your vehicle while in Reverse1
        • Can help you park or avoid vehicles and objects
        • You can also display an overlay of where your vehicle is heading
        • Tailgate must be in the raised position for the HD Rear Vision Camera to operate properly
        • May require additional optional equipment
      • Hitch Guidance:
        • When in Reverse, displays a centered guideline on the Rear Vision Camera view1
        • Can help you line up the hitch to your trailer
        • When driving, lets you check the trailer using Rear Vision Camera view
      • Lane Change Alert with Side Blind Zone Alert:
        • Provides visual side-mirror alerts when a moving vehicle is detected either quickly approaching or already in your side blind zone1
        • Can help you avoid lane change collisions
        • May require additional optional equipment
      • Lane Departure Warning:
        • Alerts you when it detects that you are unintentionally drifting out of detected lane lines1
        • System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your lane
      • OnStar Basics:
        • Drive confidently with core OnStar services including1
          • Remote commands
          • Built-in voice assistance
          • Real-time traffic and navigation
          • Automatic Crash Response to help if you're in need
      • OnStar® services capable:
        • See onstar.com for details and limitations. Services vary by model. Service plan required.
      • Rear Cross Traffic Alert:
        • When in Reverse, warns you of detected vehicles crossing behind you1
        • May require additional optional equipment
      • Rear Seat Belt Indicator warning:
        • May require additional optional equipment
      • Seat Belt Adjustable Guide Loops:
        • Front row only
        • May require additional optional equipment
      • Teen Driver:
        • Helps encourage safe driving habits for teens by providing an in-vehicle report card1
        • Activates certain safety systems, if equipped, when a Teen Driver-designated key fob is used
        • Mutes the radio until the front-seat occupants fasten their seat belts
      • Tire Pressure Monitoring System with Tire Fill Alert:
        • Monitors tire pressure and alerts of an under-inflated condition in one or more of the tires1
        • Provides visual and audible alerts outside the vehicle when inflating an under inflated tire to the recommended tire pressure
      • Automatic Emergency Braking:
        • Can help you avoid or reduce the severity of a collision with a detected vehicle you're following using camera technology1
        • Works at speeds between 5 and 50 mph
      • Front Pedestrian Braking:
        • At speeds between 5 and 50 mph, can help you avoid or reduce the severity of a collision with a pedestrian it detects directly in front of you1
        • Provides pedestrian alerts and can automatically provide hard emergency braking or enhance driver's hard braking
        • Limited nighttime and low visibility performance
      • StabiliTrak, electronic stability control system with traction control:
        • Automatically helps enhance control, particularly during emergency maneuvers, by adjusting the brakes and engine torque to help you stay on your intended path
        • Activates when vehicle sensors detect a difference between the driver's intended path and the direction the vehicle is actually travelling
        • Includes Traction Control that detects wheel slippage and applies brake pressure and/or reduces engine power to help the driver maintain control when accelerating on wet or snow-covered roads
        • Includes Brake Assist which detects rapid brake pedal applications due to emergency braking situations and provides additional braking via the Antilock Brake System (ABS) module
        • Includes Trailer Sway Control
        • Hill Start Assist
      This powerful 2026 Chevrolet Silverado 2500HD Custom in Beige is built to work as hard as you do. Equipped with a legendary Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD capability, this truck delivers the performance and reliability you need for demanding jobs and daily driving. The Custom trim combines professional capability with thoughtful comfort features designed for serious truck owners.

      Key Features:
      - Duramax 6.6L V8 Turbodiesel Engine
      - 4WD with 10-Speed Automatic Transmission
      - Electric Rear-Window Defogger
      - Remote Vehicle Starter System
      - Heated and Auto-Dimming Vertical Trailering Mirrors
      - Lane Change Alert with Side Blind Zone Alert
      - Rear Cross Traffic Alert
      - Ultrasonic Front and Rear Park Assist
      - 10-Way Power Driver Seat with Lumbar Support
      - EZ Lift Power Lock and Release Tailgate

      This truck comes equipped with premium connectivity including Chevrolet Infotainment 3 with Apple CarPlay and Android Auto, SiriusXM satellite radio, and OnStar services. Practical bed features like the 120-volt bed-mounted power outlet, LED cargo lighting, and Durabed construction make this Silverado ready for any task. Safety technology including rear cross traffic alert and side blind zone alert helps protect you on every journey.

      Come experience this capable 2500HD at our dealership and see why drivers trust the Silverado for serious work and reliable daily transportation.

      Why Buy from O'Neill's Chevrolet?

      For over 105 years, O'Neill's Chevrolet in Avon, CT has earned the trust of drivers by offering exceptional customer service, competitive pricing, and a great selection of new Chevrolet vehicles and quality used cars. As a proud member of the Sullivan Automotive Group, we combine the strength of a respected dealer group with the personalized service of a family-owned dealership.

      Our low suburban overhead means low suburban pricing, giving you outstanding value on every vehicle. Experience the difference at O'Neill's Chevrolet The Dealer You Can Deal With. Not responsible for typographical errors. Residency restrictions apply. Price includes: $1000 - Chevrolet Consumer Cash Program. Exp. 09/30/2026 $500 - GM Rewards Card Sales Sign Up and Spend Offer. Exp. 11/30/2026

      Peace of mind

      A name you can trust

      Northwest Hills Chevrolet GMC is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
      More about us
        While Sullivan Automotive tries to make sure all information posted here is accurate, we cannot be responsible for typographical and other errors (e.g., data transmission) that may appear on the site. If the posted price (including finance and lease payments) for a vehicle is incorrect, Sullivan will endeavor to provide you with the correct prices as soon as we become aware of the error. In the event a vehicle is priced incorrectly, Sullivan shall have the right to refuse or cancel any orders placed for the vehicle presented with the incorrect price. In addition, vehicle prices are subject to change, and all vehicles are subject to prior sale and may not be available when you are ready to purchase.