2026 Chevrolet Colorado Trail Boss

  • New
MSRP
$45,110
Sullivan Savings
-$1,829
Dealer Conveyance Fee
$479
Customer CashDetails
-$500
Featured Price
$43,260
Chevrolet Mid-Pickup Competitive Cash AllowanceDetails
-$2,000
GM Military OfferDetails
-$500
Value Your Trade
O'Neill's Chevrolet
Location Details
Call 860-404-6129
We’re here to help

    The overview

    Exterior Color
    Sterling Gray Metallic
    Interior Color
    Jet Black, Cloth seat trim
    Fuel Economy
    17/22 MPG City/Hwy
    Transmission
    Automatic
    Drivetrain
    4WD
    Engine
    TurboMax™ engine
    VIN
    1GCPTEEK6T1265081
    Stock Number
    T26235
      • 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, 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, Certain commercial, government, and qualified fleet vehicles: 5 years/100,000 miles
      • Warranty: <<< Preliminary 2026 Warranty >>>
      • Max seating capacity: 5
      • Fuel System: Direct Injection
      • Fuel tank capacity: 21 gal
      • Horsepower: 310
      • Towing capacity: 7700 lbs
      • 11.3" diagonal advanced color LCD display with Google built-In:
        • 11.3" diagonal advanced color LCD display with Google built-In, includes multi-touch display, AM/FM/SiriusXM1 radio capable
        • Bluetooth®2 streaming audio for music and select phones
        • Wireless Apple CarPlay™ capability for compatible phones3
        • Wireless Android Auto™ capability for compatible phones4
        • Customize and manage entertainment and vehicle feature settings through the 11.3" diagonal touch-screen display
        • Use, control and manage select smartphone apps through the Infotainment system
        • Voice-activated technology for phone
      • 6-speaker audio system:
        • Speakers are positioned throughout the cabin for outstanding sound quality and an enjoyable listening experience
      • 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
      • 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:
        • Can use Apple CarPlay1 and Android Auto2 wirelessly
        • Apple CarPlay1 and Android Auto2 compatibility, both wired or wirelessly
      • 20" 275/60R20 all-terrain blackwall 33" OD tires
      • 20" 275/60R20 all-terrain blackwall spare tire:
        • May require additional optional equipment
      • 20" High Gloss Black aluminum wheels
      • 20" aluminum full-size spare wheel:
        • May require additional optional equipment
      • Automatic on/off headlamps:
        • Setting the control to "Auto" turns on the headlamps to normal low-beam brightness when sensors detect a certain level of darkness, along with other exterior lights when darkness is detected
        • When you shut off the ignition and exit the car, the lights remain lit as you walk away
        • Headlamps will turn off automatically, after a set amount of time, to help save battery life
        • Automatic on/off feature helps illuminate your way when needed, and turns off headlamps automatically when you don't
      • Black Off-Road assist steps:
        • Textured step pads help provide secure footing
      • Black beltline moldings
      • Black door handles
      • Cab-mounted cargo area lamps:
        • Activated by virtual switch located in the infotainment system
        • Illuminates the cargo box area
      • CornerStep rear bumper
      • Deep-tinted glass:
        • All windows, except the windshield, driver and front passenger side glass, feature deep tinting
        • Provides added protection from sun and glare
      • EZ-Lift and Lower tailgate:
        • Raises and lowers the tailgate with reduced effort thanks to the assist of an internal torsion bar
        • Tailgate locks and unlocks with the same key as ignition and door
        • May require additional optional equipment
      • Front license plate bracket:
        • Front bracket is included if displaying a front license plate is required in your state
      • Halogen headlamps:
        • Automatic on/off feature helps illuminate your way when needed, and turns off headlamps automatically when you don't
      • IntelliBeam:
        • At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1
      • Outside heated power-adjustable mirrors:
        • May require additional optional equipment
      • Painted mirror caps:
        • Cool Anderson Metallic on LT
        • Black on Trail Boss, Z71 and ZR2
      • Privacy glass:
        • Rear side windows
      • Remote locking tailgate:
        • Utilize vehicle key fob to lock and unlock tailgate
        • May require additional optional equipment
      • Solar glazing glass:
        • On front side windows
      • Solar-absorbing windshield:
        • Helps minimize the effects of solar rays entering the cabin
        • Assists in maintaining a more comfortable interior temperature
      • StowFlex Tailgate
      • Tailgate Decal Package
      • Tailgate keyed cylinder lock:
        • May require additional optional equipment
      • Wheel Flares
      • 11" diagonal color Driver Information Center:
        • Includes driver personalization, warning messages and vehicle information
        • Fully reconfigurable high definition cluster layout
        • Allows drivers to personalize vehicle features, including warning messages and vehicle information
        • Speedometer, tachometer, engine temperature, fuel level, mileage and trip displays
        • Driver-selectable gauge display
      • 12-volt power outlet:
        • Located in the center console
      • 4-way manual front passenger seat:
        • Seat position forward and back
        • Seat position up and down
      • 6-way manual driver seat:
        • Position it forward or back, up or down, tilted back or upright
      • All-weather floor liners:
        • Feature a textured, anti-slip pattern that helps trap debris and water while providing carpet coverage
        • Include Brand logo
        • Provides coverage for first and second-row seating
        • May require additional optional equipment
      • Black interior door handles
      • Carpeted floor covering:
        • Color-keyed
      • 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
      • Driver and front passenger visors
      • Dual-zone automatic climate control:
        • Automatically maintains selected cabin temperatures for both the driver and front passenger
        • Driver and front passenger can choose a temperature up to 30 degrees difference
      • Front USB ports:
        • 2 charge/Data ports1 located on the front console
      • Front bucket seats
      • Front carpeted floor mats:
        • Helps protect your interior from road debris and the elements
        • Engineered to fit your vehicle
      • Front center console:
        • Covered storage
        • Dual cupholders
        • Keep valuables and smaller items secure
        • USB ports1 and auxiliary power outlet
        • May require additional optional equipment
      • Inside rearview manual day/night mirror:
        • Adjust the tilt of the mirror to help reduce glare during nighttime driving
      • Interior center dome lights
      • Manual sliding rear window
      • Manual tilt steering column:
        • Allows the steering wheel to be manually adjusted up or down
        • Provides extra comfort when entering or exiting the vehicle
        • May require additional optional equipment
      • Manual-folding second row 60/40 split-bench seats:
        • Includes a manual release that lets you conveniently fold one or both of the second row seat bottoms up
        • Provides the flexibility to transport a variety of passenger and cargo combinations
      • 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
      • Overhead courtesy lamp
      • Power door locks:
        • Lockout protection helps you avoid locking keys in the vehicle
      • Power windows with driver express-up/down:
        • Quickly raises the window or lowers it with the touch of a button
      • 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, rear, express-down:
        • Quickly lowers the window with the touch of a button
      • Rear air vents:
        • Provides cabin comfort for rear occupants
      • Rear carpeted floor mats:
        • Helps protect your interior from road debris and the elements
        • Engineered to fit your vehicle
      • Rear passenger heating and air conditioning duct
      • 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
      • Steering wheel
      • Steering-wheel mounted controls:
        • Allow the driver to easily operate the audio system, phone interface, cruise control and Driver Information Center controls
      • 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
      • 220-amp alternator:
        • May require additional optional equipment
      • 3.42 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
      • 6250 lbs. GVWR:
        • When properly equipped; includes weight of vehicle, passengers, cargo and equipment
        • May require additional optional equipment
      • 8-speed automatic transmission:
        • Electronically controlled with overdrive
        • Tow/Haul mode
          • Raises transmission upshift points to provide more power to accelerate with a trailer or heavy load
          • Raises downshift points to use engine compression to help slow the truck instead of merely braking
        • 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
      • 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
        • Includes disable button with each engine cycle
      • 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
      • 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
        • 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
        • When in AUTO mode, remains in 2WD mode until the system detects wheel slippage
          • Automatically engages 4WD until traction is regained
      • Black horizontal recovery hooks:
        • Two front frame-mounted1
        • May require additional optional equipment
      • Capless fuel fill:
        • Helps keep your hands clean of dirt and fuel during fill ups
      • Driver Mode Selector:
        • Customer-selectable drive modes allow the vehicle to adapt even better to the driver's preferences and changing road conditions
      • Engine air filtration monitor
      • Engine control stop/start with disable button
      • Fully boxed frame:
        • Hydroformed front section
        • High-strength steel
      • Heavy-duty 800 cold-cranking amps battery:
        • 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
      • 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
      • In-Vehicle Trailering App:
        • Checklist1
        • Trailer light test sequence
        • Trailer maintenance reminders
        • Trailer security alerts
        • Trailer mileage
        • Tow/haul reminder
        • Trailer electrical diagnostics
        • 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
        • No requirement for external or aftermarket brake control systems
        • May require additional optional equipment
      • Off-Road suspension with 2" factory lift and ultra wide stance:
        • Provides more ground clearance
        • Improved approach and departure angles
      • Pickup box
      • Push Button Start
      • Radiator Grille Shutters:
        • Automatic
      • Trailering Package:
        • Includes a 2" receiver hitch
        • 7-wire electrical harness and 7-pin sealed connector for connecting your trailer's lights and brakes to your vehicle
        • Trailer brake controller
        • May require additional optional equipment
      • TurboMax™ engine:
        • 310 hp [231 kW] @ 5600 rpm
        • 430 lb-ft of torque [583 Nm] @ 3000 rpm
        • Paired with an 8-speed automatic transmission
      • Vehicle health management:
        • Provides advanced warning of vehicle issues
      • Advanced Trailering Package:
        • Trailering Package
          • 2" receiver hitch
          • 7 wire electrical harness and 7 pin sealed connector for connecting your trailer's lights and brakes to your vehicle
          • Trailer brake controller
        • In-vehicle Trailering App1
        • Automatic locking rear differential
        • May require additional optional equipment
      • Chevy Safety Assist:
        • Automatic Emergency Braking1
        • Forward Collision Alert1
        • Front Pedestrian and Bicyclist Braking1
        • Following Distance Indicator1
        • Lane Keep Assist with Lane Departure Warning1
        • IntelliBeam
      • Halogen Daytime Running Lamps
      • 6 airbags:
        • Frontal airbags for driver and front outboard passenger1
        • Seat-mounted side-impact airbags for driver and front outboard passenger1
        • Head-curtain airbags for front and rear outboard seating positions1
        • Includes Passenger Sensing System which automatically switches the front passenger seat frontal airbag on or off and illuminates a status light that indicates whether the airbag is on or off1
      • Black seat belt color
      • Blind Zone Steering Assist with Trailering:
        • Can alert you and provide a brief, firm turn of the steering wheel when a potential crash is detected with a moving vehicle in a side blind zone that is extended to trailer lengths1
        • May require additional optional equipment
      • 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 outboard Passenger Sensing System for frontal outboard passenger airbag1
      • 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
      • LED Reflective Windshield Collision Alert:
        • Can provide a flashing red windshield collision alert drawing your eyes to the road when certain front collision threats are detected1
      • 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® services capable:
        • See onstar.com for details and limitations. Services vary by model. Service plan required.
      • Rear Park Assist:
        • When in Reverse, provides alerts of nearby detected vehicles and objects behind your vehicle1
        • Alerts can help you park and avoid collisions
      • 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
      • Rear child security door locks:
        • When electrically activated, prevents passengers from opening the rear doors from inside the vehicle
        • Allow rear doors to open from outside of the vehicle only
      • 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 Fill Alert:
        • Provides visual and audible alerts outside the vehicle when inflating an under inflated tire to the recommended tire pressure1
        • Requires vehicle to be started and driver door closed
      • Tire Pressure Monitoring System:
        • Monitors the pressure in each tire and alerts you if there is a low-pressure condition in one or more of the tires1
        • Tire pressure display of current PSI available in the Driver Information Center
      • Automatic Emergency Braking:
        • At speeds between 5 and 50 mph, 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
      • Front Pedestrian and Bicyclist Braking:
        • At speeds between 5 and 50 mph, can help you avoid or reduce the severity of a collision with a pedestrian or bicyclist it detects directly in front of you1
        • Provides alerts and can automatically provide hard emergency braking or enhance driver's hard braking
        • Limited nighttime and low visibility performance
      • Hitch View:
        • Shows a close-up view of the trailer hitch1
        • In Reverse, the view can be used to line up your hitch to your trailer
        • When driving, the view can be used to check your trailer hitch
        • Shifting to Park automatically engages the Electric Parking Brake (if equipped)
      • Rear Cross Traffic Braking:
        • When in Reverse, alerts you or automatically provides hard emergency braking to prevent a collision with detected vehicles crossing behind you1
      • 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 Brake Assist that senses how hard and fast a driver hits the brake pedal and gives extra braking assistance, if required
        • Automatically helps enhance control, particularly during emergency maneuvers, by adjusting the brakes and drive motor torque to help you stay on your intended path
        • Includes Traction Control that detects wheel slippage and applies brake pressure and/or reduces drive motor torque to help the driver maintain control when accelerating on wet or snow-covered roads
      Meet the 2026 Chevrolet Colorado Trail Boss, a capable midsize truck built for those who demand performance and reliability both on and off the pavement.

      - 2.7L I4 Turbocharged engine with 310 hp and 8-speed automatic transmission
      - 4WD with off-road assist steps for enhanced capability
      - 20 high gloss black aluminum wheels with 275/60R20 all-terrain tires
      - Navigation System with 11.3 advanced color LCD display
      - Apple CarPlay and Android Auto connectivity
      - Chevy Safety Assist suite including Automatic Emergency Braking and Forward Collision Alert
      - Lane Keep Assist with Lane Departure Warning
      - IntelliBeam Automatic High Beam control
      - AM/FM radio with SiriusXM 360L trial subscription
      - Front and rear dual zone automatic temperature control
      - All-weather floor liners for first and second rows
      - Front bucket seats with 6-way manual driver adjustment

      The Trail Boss delivers the capability you need with a turbocharged 2.7L engine that provides solid power for work and weekend adventures. Its 4WD system and all-terrain tires give you confidence navigating challenging terrain, while the off-road assist steps make climbing into the truck easier. The steering is responsive and precise, and the suspension is tuned to handle both smooth highways and rough trails with equal composure.

      Inside, you'll find a modern cabin that balances function with comfort. The 11.3 touchscreen display keeps you connected and informed, offering navigation, Apple CarPlay, and Android Auto integration. The front and rear dual zone climate control ensures everyone stays comfortable, and the cloth seating provides a practical foundation for daily driving. Remote keyless entry and the wireless phone projection feature add convenience to your daily routine.

      Safety is prioritized with an extensive suite of features including Automatic Emergency Braking, Forward Collision Alert, Lane Keep Assist, and IntelliBeam headlights that work together to help keep you and your passengers protected. The Chevy Safety Assist technology represents a comprehensive approach to vehicle safety, while the electronic stability control and traction control systems help maintain grip in varying road conditions.

      With EPA ratings of 17 city and 22 highway miles per gallon, the Colorado Trail Boss balances power with reasonable fuel efficiency. The rear step bumper and spacious bed make loading and hauling straightforward, while the split folding rear seat provides flexible interior space for passengers or cargo.

      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: $2000 - Chevrolet Conquest Program. Exp. 08/31/2026 $500 - Chevrolet Consumer Cash Program. Exp. 08/31/2026 $500 - GM Rewards Card Sales Sign Up and Spend Offer. Exp. 09/30/2026

      Peace of mind

      A name you can trust

      O'Neill's Chevrolet 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

      KBB.com Consumer Reviews

      Kelley Blue Book Logo0.0out of 5 overall
        Privacy
          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.