2026 Chevrolet Silverado 1500 Custom Trail Boss

  • New
MSRP
$59,960
Dealer Discount
-$3,676
Dealer Conveyance Fee
$479
Bonus CashDetails
-$1,500
Customer CashDetails
-$4,250
Featured Price
$51,013
Costco Executive Member IncentiveDetails
-$1,250
GM Military OfferDetails
-$500
Costco Non-Executive Member IncentiveDetails
-$1,000
Value Your Trade
O'Neill's Chevrolet
Location Details
Call 860-404-6129
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    The overview

    Exterior Color
    Black
    Interior Color
    Jet Black, Cloth seat trim
    Fuel Economy
    15/18 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4WD
    Engine
    5.3L EcoTec3 V8 engine
    VIN
    3GCUKCED8TG291646
    Stock Number
    T26144
    • 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, Silverado TurboMaxTM engines, 3.0L & 6.0L 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, Silverado TurboMaxTM engines, 3.0L & 6.0L 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: Direct Injection
    • Fuel tank capacity: 24 gal
    • Horsepower: 355
    • Towing capacity: 9300 lbs
    • 6-speaker audio system:
      • Speakers are positioned throughout the cabin for outstanding sound quality and an enjoyable listening experience
    • Bluetooth®:
      • Pair your compatible mobile phone to your vehicle's infotainment system1
      • Place and receive hands-free phone calls
      • Store your phone's contact list in the system to place an outgoing call quickly using the touch-screen display or voice command system
      • With streaming audio capability, you can listen to files stored on your phone or Bluetooth digital media device
    • 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
      • Wireless Apple CarPlay™ capability for compatible phones3
      • Wireless Android Auto™ capability for compatible phones4
      • Use, control and manage select smartphone apps through the Infotainment system
    • SiriusXM Trial Subscription:
      • With your trial subscription, get access to all of your favorite entertainment from SiriusXM to enjoy in your vehicle and on the SiriusXM app - from ad-free music, talk and sports, to comedy, news, podcasts and more1
      • Enjoy channels curated by DJs, personalities and tastemakers for a listening experience you can't live without
      • Plus, take the full SiriusXM experience with you everywhere you go with the SiriusXM app - at home, on your phone or connected devices, and unlock other exclusives that bring you even closer to your favorite stars, artists, creators, hosts and athletes
    • Wi-Fi® Hotspot capable:
      • Terms and limitations apply. See onstar.com or dealer for details.
      • May require additional optional equipment
    • Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones:
      • Apple CarPlay vehicle user interface is a product of Apple and its terms and privacy statements apply. Requires compatible iPhone and data plan rates apply. Apple CarPlay is a trademark of Apple Inc. Siri, iPhone and Apple Music are trademarks for Apple Inc, registered in the U.S. and other countries.
      • Vehicle user interface is a product of Google and its terms and privacy statements apply. To use Android Auto on your car display, you'll need an Android phone running Android 6 or higher, an active data plan, and the Android Auto app. Google, Android and Android Auto are trademarks of Google LLC.
      • May require additional optional equipment
    • 17" 265/70R17SL all-season, blackwall spare tire:
      • May require additional optional equipment
    • 17" full-size spare steel wheel with Black finish:
      • May require additional optional equipment
    • 20" High gloss Black painted aluminum wheels:
      • May require additional optional equipment
    • 20" LT265/60R20 MT Goodyear® Wrangler Territory® blackwall tires:
      • Aggressive tread may result in a higher level of noise while driving
      • Routine tire rotations are strongly recommended
      • May require additional optional equipment
    • 4" Black round assist steps:
      • Steps make it easier to get in and out of your truck
      • Textured step pads help provide secure footing
      • Black powder-coat finish
      • May require additional optional equipment
    • Black door handles
    • Body-color front bumper:
      • Body-color on Custom, RST and High Country models
      • High gloss Black on Custom Trail Boss, LT Trail Boss and ZR2 models
    • Body-color rear bumper:
      • With integrated CornerSteps
      • Body-color on Custom, RST and High Country models
      • High gloss Black on Custom Trail Boss, LT Trail Boss and ZR2 models
    • Cab-mounted cargo area lamps:
      • With switch in switch bank left of the steering wheel
      • Illuminates the cargo bed area
      • LED lighting on Crew Cab and Double Cab models, incandescent on Regular Cab models
    • 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 protect the bed and minimizes 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
      • May require additional optional equipment
    • 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
      • May require additional optional equipment
    • Front license plate bracket:
      • Front bracket is included if displaying a front license plate is required in your state
    • Heated power outside mirrors:
      • Power adjustable, manual folding
      • May require additional optional equipment
    • IntelliBeam:
      • At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1
    • 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
    • Taillamps:
      • Incandescent tail, stop and turn signal lights
    • 10-way power driver seat with power lumbar:
      • Moves the seat forward and back, and up and down
      • Tilt the seat cushion and seatbacks
    • 12-volt auxiliary front power outlet
    • 120-volt box-mounted power outlet:
      • 3-prong auxiliary household-style outlet
      • Located in the pickup bed
      • May require additional optional equipment
    • 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
    • Assist handles:
      • Front A-pillar mounted for Driver and Passenger
      • Rear B-pillar mounted
    • Carpeted floor covering:
      • Color-keyed to match the interior
    • Compass:
      • Located in instrument cluster
      • May require additional optional equipment
    • 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
      • May require additional optional equipment
    • Front rubberized-vinyl floor mats:
      • Helps protect your interior from road debris and the elements
      • May require additional optional equipment
    • Inside rearview manual day/night mirror:
      • Adjust the tilt of the mirror to help reduce glare during nighttime driving
    • 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
    • Outside temperature display:
      • Located in infotainment display
    • 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
    • Power windows:
      • Driver with express-up/down
    • Power windows:
      • Front passenger with express down
      • May require additional optional equipment
    • Power windows with rear express-down
    • 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
      • May require additional optional equipment
    • 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 panic alarm 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
    • Single-zone climate control:
      • Maintains a selected temperature
      • Manual
    • Steering column lock:
      • Most vehicles built on or after 4-4-2022 are not equipped with Steering Column Lock. Contact a dealer for details on a specific vehicle
    • 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
    • USB ports:
      • (2) Charge ports located on rear of console1
      • May require additional optional equipment
    • USB ports:
      • (2) Data/charge ports located on instrument panel1
    • 10-speed automatic transmission:
      • Electronically controlled transmission with overdrive and Driver Shift Control
      • Tow/Haul mode reduces shift cycling for better control and improved cooling when towing or hauling heavy loads
      • Powertrain Grade Braking
        • Automatically uses the engine and transmission to slow the truck to maintain desired speeds when driving downhill
        • Reduces brake wear and increases vehicle control
      • Cruise Grade Braking
        • Downshifts automatically to slow the truck as it drives downhill if it exceeds the cruise set speed by a certain amount
      • May require additional optional equipment
    • 170-amp alternator:
      • May require additional optional equipment
    • 2-speed Autotrac Transfer Case:
      • 2WD HI mode
        • Vehicle operates in 2-wheel drive
        • In this mode the transfer case & front driveline hardware are disengaged to improve fuel economy
        • Suitable for routine driving on all road surfaces
      • 4WD Auto mode
        • 4WD Auto enables the transfer-case to provide the performance benefits of a full time active AWD system
        • The 4WD Auto controls automatically adjust torque in response to parameters such as driver inputs, wheel slip control, vehicle dynamic state (understeer/oversteer)
        • Ideal for wet or wintry conditions, but can be used on any road surface. Suitable for light off road usage
      • 4WD HI mode
        • Transfer case engages front driveline and power is transferred to both the front & rear axles
        • In 4WD HI the transfer case clutch maintains higher preemptive torque levels for increased traction vs 4WD Auto
        • Suitable for use on slippery road surfaces or off-road conditions such as deep sand, snow or rough terrain
      • 4WD LO mode
        • In 4WD Low the transfer case clutch maintains a high preemptive coupling torque to maximize traction and improve wheel control when climbing or descending steep grades or obstacles
        • Suitable for off road usage, steep terrain, deep snow or sand
        • Ideal for off road driving to maximize low speed traction and increase control on steep grades
      • Neutral
        • ONLY used for towing vehicle (Dinghy tow capability)- allows vehicle to roll freely
      • May require additional optional equipment
    • 3.23 rear axle ratio:
      • May require additional optional equipment
    • 4-wheel antilock disc brakes:
      • Help reduce wheel lockup and maintain steering control during hard braking on most slippery surfaces
      • Duralife brake rotors have better resistance to corrosion to increase rotor life, minimize brake pulsation, and improve aesthetic appearance
      • Brake system features a corrosion-fighting process called "Ferritic Nitro Carburizing" which can double rotor life expectancy and reduce or minimize rust
    • 5.3L EcoTec3 V8 engine:
      • 355 hp [265 kW] @ 5600 rpm
      • 383 lb-ft of torque [518 Nm] @ 4100 rpm
      • Paired with a 10-speed automatic transmission
      • May require additional optional equipment
    • 7,100 lbs. GVWR:
      • When properly equipped; includes weight of vehicle, passengers, cargo and equipment
      • May require additional optional equipment
    • Automatic Stop/Start:
      • At complete stops, when drivers keep their foot on the brake pedal, and under certain conditions, the engine shuts off
      • When drivers remove their foot from the brake, the engine automatically restarts
      • Under certain circumstances, the engine will not shut off at a complete stop
    • 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
      • May require additional optional equipment
    • Brake pad wear indicator
    • Capless fuel fill:
      • Prevents paint scratches that can result from a tethered fuel cap
      • Creates a tight seal around the fuel-pump nozzle when the nozzle is fully inserted
    • Dual-outlet exhaust:
      • Polished outlets
      • Integrated into rear bumper
      • Aluminized stainless-steel muffler and tailpipes
      • May require additional optional equipment
    • Durabed:
      • Roll-formed high-strength steel
    • Electric Power Steering:
      • Electric, rack-mounted with variable assist
      • Increases or decreases the amount of assist depending on the steering wheel angle
      • The system delivers great on-center precision and confident performance at higher speeds
      • Steering assist is greater during low-speed maneuvers, such as parking
    • 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
      • May require additional optional equipment
    • External engine oil cooler:
      • Heavy-duty air-to-oil cooler
      • Helps prevent possible engine oil breakdown under heavy loads
      • May require additional optional equipment
    • 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
      • May require additional optional equipment
    • Heavy-duty 730 cold-cranking amps battery:
      • 80 Amp-hr
      • Maintenance-free with rundown protection and retained accessory power
    • Hill Descent Control:
      • Uses antilock braking to help provide a smooth, controlled descent
      • Helps driver maintain control of the vehicle without depressing the brake pedal
      • Activates by pushing a button on the instrument panel
      • 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
    • Skid plates:
      • Help protect the front underbody, oil pan, differential case and transfer case
      • May require additional optional equipment
    • Z71 Suspension with 2" factory lift:
      • Rancho monotube shocks
      • Provides more ground clearance
      • Improved approach and departure angles
    • Chevy Safety Assist:
      • Automatic Emergency Braking1
      • Forward Collision Alert1
      • Front Pedestrian Braking1
      • Following Distance Indicator1
      • Lane Keep Assist with Lane Departure Warning1
      • IntelliBeam
    • Custom Convenience Package:
      • Remote Start
      • Content theft alarm
      • Rear-window defogger
      • LED cargo bed lighting
      • EZ Lift power lock and release tailgate
      • May require additional optional equipment
    • Trailering Package:
      • Trailer hitch1
      • Trailering hitch platform
      • Includes a 2" receiver hitch, 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
      • May require additional optional equipment
    • 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
    • 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
    • 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
      • May require additional optional equipment
    • Lane Keep Assist with Lane Departure Warning:
      • Uses a brief steering wheel turn to alert you when it detects you are unintentionally drifting out of your lane lines1
      • System alerts do not occur if you're using your turn signal, or it detects you may be intentionally leaving your lane
      • You may receive additional Lane Departure Warning alerts if needed
    • OnStar Basics:
      • Drive confidently with core OnStar services including1
        • Remote commands
        • Built-in voice assistance
        • Real-time traffic and navigation
        • Automatic Crash Response
    • OnStar® services capable:
      • See onstar.com for details and limitations. Services vary by model. Service plan required.
    • Rear Seat Belt Indicator warning
    • 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
    • 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 the pressure in each tire and alerts you if there is a low-pressure 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
      • Properly inflate tires to help optimize your vehicle's ride, handling and efficiency
    • Automatic Emergency Braking:
      • Can help you avoid or reduce the severity of a collision with a detected vehicle you're following using camera technology1
      • Can automatically provide hard emergency braking or enhance your hard braking
      • 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 that senses how hard and fast a driver hits the brake pedal and gives extra braking assistance, if required
      • Includes Trailer Sway Control
      • Hill Start Assist
    2026 Chevrolet Silverado 1500 Custom Trail Boss 4WD

    EcoTec3 5.3L V8, 10-Speed Automatic, 4WD, Jet Black Cloth, 4 Black Round Assist Steps, Chevytec Spray-on Black Bedliner, Custom Convenience Package, Dual Exhaust with Polished Outlets, Electric Rear-Window Defogger, EZ Lift Power Lock and Release Tailgate, LED Cargo Area Lighting, Remote Vehicle Starter System, Theft Deterrent System (unauthorized Entry), Wheels: 20 x 9 High Gloss Black Painted Aluminum.

    LOW SUBURBAN OVERHEAD= LOW SUBURBAN PRICING! Don't pay an over inflated dealer conveyance fee. Save at Sullivan Automotive with low $479 dealer conveyance fee. Not responsible for typographical errors. Residency restrictions apply. Price includes: $1250 - GM Costco Executive Member Private Offer . Exp. 04/30/2026 $1500 - Chevrolet Bonus Cash. Exp. 04/30/2026 $4250 - Chevrolet Consumer Cash Program. Exp. 04/30/2026 $500 - GM First Responder Cash Allowance Program. Exp. 01/04/2027 $500 - GM Military Cash Allowance Program. Exp. 01/04/2027 $500 - GM Rewards Card Sales Sign Up and Spend Offer. Exp. 06/30/2026

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