2026 GMC Sierra 3500 HD SLE DRW

  • New
  • Diesel
MSRP
$77,460
Doc Fee
$799
Electronic Titling Fee
$159
Purchase AllowanceDetails
-$1,000
Final Price
$77,418
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John Thornton Buick GMC
Location Details
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    The overview

    Exterior Color
    Onyx Black
    Interior Color
    Jet Black, Cloth seat trim
    Transmission
    Automatic
    Drivetrain
    4WD
    Engine
    6.6L Duramax Turbo-Diesel V8 engine
    VIN
    1GT3UTEY8TF272377
    Stock Number
    TG1284
      • 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 & 6.0L 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, 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: 36 gal
      • Horsepower: 470
      • Towing capacity: 20000 lbs
      • 13.4" diagonal GMC Premium Infotainment System with Google built-in:
        • 13.4" diagonal GMC Premium Infotainment System 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 setting
        • Use, control and manage select smartphone apps through the Infotainment system
        • Voice-activated technology for phone
      • 2-speaker audio system:
        • Includes 2 speakers placed in the front doors
      • 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
      • 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.
        • May require additional optional equipment
      • Wireless phone projection:
        • For Apple CarPlay™1 and Android Auto™2
      • 17" LT235/80R17E all-terrain, blackwall spare tire
      • 17" LT235/80R17E all-terrain, blackwall tires:
        • May require additional optional equipment
      • 17" painted steel wheels
      • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
      • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
      • Black Badging Package:
        • Front and rear Black GMC emblems
        • Black nameplates
      • Black nameplates:
        • Add a personalized feel to your vehicle's exterior
        • May require additional optional equipment
      • 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 door handles
      • Cargo bed LED lighting:
        • Provides light to find cargo in the bed
        • May require additional optional equipment
      • Cargo tie-downs:
        • 12-fixed rated at 500 lbs. per corner
      • Chrome front bumper:
        • May require additional optional equipment
      • Chrome rear bumper:
        • With integrated CornerSteps
        • May require additional optional equipment
      • Chrome wheel trim and chrome center caps
      • 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
      • Dual Rear wheelhouse liners
      • Front and rear Black GMC emblems:
        • May require additional optional equipment
      • GMC MultiPro Tailgate:
        • Six function tailgate designed to help improve loading, unloading and accessing the cargo box
        • Hitch area lighting
        • Power lock and release
        • May require additional optional equipment
      • GMC MultiPro tailgate Step Lights:
        • May require additional optional equipment
      • Hard Folding Truck Bed Cover by RealTruck Advantage
      • IntelliBeam:
        • At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1
      • LED fog lamps
      • Side Bed Step:
        • 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
      • Spray-on bedliner:
        • Provides a Black, textured, non-skid surface that helps protect the bed and minimizes cargo shifting
        • Covers the entire bed surface below side rails, front box top rail, gauge hole plugs and tie-downs
        • Chemically bonded, the sprayed-on liner permanently bonds to the truck bed, providing a watertight seal
        • Does not include spray-on liner on tailgate due to Black composite inner panel
        • Includes GMC logo on all trims except PRO
      • Stainless-steel beltline moldings
      • 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:
        • Includes 8-way power driver seat
        • Includes a 2-way power lumbar control
      • 12.3" diagonal color Driver Information Center:
        • Includes driver personalization, warning messages and vehicle information
        • Replaces traditional analog gauges with fully reconfigurable high definition cluster layout
        • High definition display provides crisp, premium appearance
      • 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
      • 13.4" diagonal GMC Premium Infotainment System with Google built-in:
        • 13.4" diagonal GMC Premium Infotainment System 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 setting
        • Use, control and manage select smartphone apps through the Infotainment system
        • Voice-activated technology for phone
      • 4-way manual front passenger seat
      • 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
      • Adaptive Cruise Control:
        • Automatically follows a detected vehicle ahead at a driver-selected following gap1
        • If no vehicle is detected in your path, works like regular cruise control
        • You can always override the feature and take control
        • Adaptive Cruise Control is compatible with Trailering. It is important to ensure your trailer has functioning brakes while trailering with heavier loads. Read your Owner's Manual to review Trailer Brake requirements and to learn more about the limitations of this system.
      • All-weather floor liners:
        • Provides coverage for first and second-row seating
        • Feature a textured, anti-slip pattern that helps trap debris and water while providing carpet coverage
        • Include Brand logo
        • Replaces factory floor mats
      • 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
      • Dual-zone automatic climate control:
        • Automatically maintains the selected temperatures for both the driver and front passenger
        • Allows individual climate settings for both driver and front passenger
        • Driver and front passenger can choose a temperature up to 30 degrees difference
        • 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
      • Heated driver and front outboard passenger seats:
        • Separate buttons on the climate control panel allow you to choose from 3 levels of warmth
        • At the touch of a button you can warm the cushions and seatbacks with multilevel temperature control
        • Individually controlled
        • Seats can be programmed to automatically warm up when it's cold out
        • May require additional optional equipment
      • Heated steering wheel:
        • With the press of a button the steering wheel quickly heats up to provide additional comfort on a cold day
        • May require additional optional equipment
      • In-Vehicle Trailering App:
        • Checklist1
        • Trailer maintenance reminders
        • Trailer security alerts
        • Trailer mileage
        • Tow/haul reminder
        • Trailer electrical diagnostics
        • Includes trailer tire pressure monitoring alert ONLY when (PTT) trailer tire pressure monitor system is factory ordered and sensors are installed
      • 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
      • Keyless Open and Start:
        • With the key fob in your possession, lock and unlock your car's doors by pressing the button on a front exterior door handle, increasing convenience
        • Lockout protection helps you avoid locking keys in the vehicle
      • Manual tilt and telescoping steering column:
        • Allows the driver to adjust the steering wheel up or down, and the steering column forward or back
        • May require additional optional equipment
      • Outside temperature display:
        • Located in infotainment display
      • Power door locks:
        • 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
      • Rear window defogger:
        • Utilizes a warming grid to help remove fog or frost from the rear window
      • 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
      • Steering-wheel mounted controls:
        • Allow the driver to easily operate the audio system and phone interface controls
        • May require additional optional equipment
      • 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
      • USB ports:
        • (2) Charge ports located on rear of console1
      • USB ports:
        • (2) Data/charge ports located on instrument panel1
      • Wrapped steering wheel
      • 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
      • 14,000 lbs. GVWR:
        • When properly equipped; includes weight of vehicle, passengers, cargo and equipment
      • 220-amp alternator:
        • May require additional optional equipment
      • 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
        • 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
      • Black vertical recovery hooks:
        • Two front frame-mounted1
      • 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
      • 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
        • May require additional optional equipment
      • Engine block heater:
        • Helps ease cold weather starts
        • Heats the engine and engine block fluids
      • 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 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 730 cold-cranking amps battery:
        • 70 Amp-hr
        • Maintenance-free with rundown protection and retained accessory power
      • 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
      • Pickup bed:
        • Roll-formed high-strength steel
        • Includes bed assist step
      • Push Button Start
      • 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
      • Heat Package:
        • Heated driver and front passenger seats
        • Heated steering wheel
        • May require additional optional equipment
      • Remote Start Package:
        • Remote Start
        • Content theft alarm
        • Rear-window defogger
      • SLE Convenience package:
        • Dual climate control
        • 10-way power driver seat including power lumbar
        • Manual tilt/telescoping steering column
        • LED roof marker lamps
        • LED fog lights
      • SLE Preferred Package:
        • Universal Home Remote (Crew Cab and Double Cab only)
        • Rear sliding power window (Crew Cab and Double Cab only)
        • Hitch Guidance with Hitch View1
        • In-vehicle Trailering App
        • Adaptive Cruise Control1
        • Cargo bed LED lighting
        • May require additional optional equipment
      • Sierra HD Pro Safety:
        • Forward Collision Alert1
        • Following Distance Indicator1
        • Front Pedestrian Braking1
        • IntelliBeam
        • Lane Departure Warning1
        • Buckle to Drive
        • Automatic Emergency Braking1
      • Sierra HD Pro Safety Plus Package:
        • Trailer Side Blind Zone Alert1
        • Rear Cross Traffic Alert1
        • Front and rear park assist1
        • Bed View Camera (Crew Cab and Double Cab models)
        • HD Surround Vision1 (Crew Cab and Double Cab models)
        • Trailer Camera Provisions (Crew Cab and Double Cab models)
        • Rear Park Assist1 on SLE models
        • In Vehicle Trailering App on SLE models
        • Safety Alert Seat on SLT
        • 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
        • May require additional optional equipment
      • Trailering Information Label:
        • Provides max trailer ratings for tongue weight, conventional, gooseneck hitch and 5th wheel hitch
      • LED Daytime Running Lamps
      • Signature LED Daytime Running Lamps
      • 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 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
      • 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
      • 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)
        • 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
      • 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
      • Trailer Side Blind Zone Alert:
        • Provides visual side-mirror alerts when a moving vehicle is detected in a side blind zone that is extended to trailer lengths1
        • May require additional optional equipment
      • 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
      • 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
      What a great deal on this 2026 GMC!

      It delivers style and power in a single package! The engine breathes better thanks to a turbocharger, improving both performance and economy. It includes heated seats, automatic temperature control, a tonneau cover, and power windows. Under the hood you'll find an 8 cylinder engine with more than 400 horsepower, providing a smooth and predictable driving experience. Well tuned suspension and stability control deliver a spirited, yet composed, ride and drive

      We'd also be happy to help you arrange financing for your vehicle. Please don't hesitate to give us a call.

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      John Thornton Buick GMC is dedicated to your satisfaction before, during, and after your purchase. We'll go the extra mile to take care of you.
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