2026 GMC Sierra 3500 HD Pro

  • New
  • Diesel
MSRP
$70,865
Stoops Savings
-$4,631
Doc Fee
$251
Sale Price
$66,472
Purchase AllowanceDetails
-$3,500
Bonus CashDetails
-$2,000
Stoops Price
$60,972
GM First Responder OfferDetails
$500
GM Military OfferDetails
$500
Finance Terms
STOOPS BUICK-GMC
Location Details
Call 317-455-8647
We’re here to help

    The overview

    Exterior Color
    Summit White
    Interior Color
    Jet Black, Cloth seat trim
    Transmission
    Automatic
    Drivetrain
    4WD
    Engine
    6.6L Duramax Turbo-Diesel V8 engine
    VIN
    1GT4USEY6TF403790
    Stock Number
    TF403790

      Notes from the dealer

      Meet the 2026 GMC Sierra 3500HD Pro a powerful Crew Cab Long Bed truck built for serious work and capable hauling. Finished in clean white with a cloth interior, this diesel-powered machine combines rugged design with practical engineering to handle demanding tasks day after day.

      6.6L V8 Duramax Turbodiesel engine
      10-Speed Automatic transmission with 4WD
      Engine Block Heater for cold-weather reliability
      Gooseneck/5th Wheel Prep Package for towing flexibility
      Snow Plow Prep/Camper Package
      6 Black Tubular Assist Steps
      Smoked Amber LED Roof Marker Lamps
      120-Volt Power Outlets (instrument panel and bed-mounted)
      GMC Infotainment System with AM/FM Radio
      Electronic Stability Control, Lane Departure Warning, and Automatic Emergency Braking

      This Pro trim is equipped with commercial-grade features including an 80-amp battery, 220-amp alternator, exhaust brake, and spray-on bed liner. The truck rides on a heavy-duty suspension with 4-wheel disc brakes and independent front suspension. Inside, find a 40/20/40 split-bench front seat, power steering and windows, remote keyless entry, and push-button start. Rear USB ports, tilt steering, and a trip computer round out the capability package.

      Stop by and experience the Sierra 3500HD Pro firsthand this is true heavy-duty performance ready to work.

      Tax, title, documentation fee ($251), optional accessories, and additional fees may apply. Availability and pricing are subject to change.

      Take a test drive today at Stoops Buick GMC in Plainfield, IN family-owned and proudly serving the community since 1990. We're a trusted Buick and GMC dealership near Indianapolis with an A+ Better Business Bureau rating and a CARFAX Top-Rated Dealer (7 years running).

      Conveniently located in Plainfield, Indiana, just 5 minutes west of Indianapolis International Airport and north of I-70 on SR 267, we proudly serve drivers from Plainfield, Indianapolis, Greenwood, Avon, Brownsburg, Mooresville, and surrounding areas.

      Call us directly at 317-839-7771. Thank you for the opportunity to earn your business!

      *Includes all applicable incentives. We strive to ensure the accuracy of the information on this site; however, errors may occur. To verify details, please call 317-839-7771 or visit us in-store. Price includes discounts and rebates available to the general public, and dealer installed items. You may qualify for additional rebates. , Doc Fee Taxes and license are extra. Use of factory sponsored finance or lease programs may affect final vehicle price, and are subject to credit approval. Subject to prior sale.$2000 - Bonus Cash. Exp. 11/30/2026 $3500 - Purchase Allowance. Exp. 11/30/2026
      • 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: Direct Injection
      • Fuel tank capacity: 36 gal
      • Horsepower: 470
      • Towing capacity: 20000 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
      • GMC Infotainment System with color touchscreen:
        • 7" diagonal color touchscreen for customizing and managing entertainment and vehicle feature settings1 on Pro 1SA
        • 8" diagonal color touchscreen for customizing and managing entertainment and vehicle feature settings1 on SLE and Elevation
        • Bluetooth®2 audio streaming for select devices
        • Apple CarPlay™ capability for compatible phones3
        • Android Auto™ capability for compatible phones4
      • 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
      • 18" LT275/70R18 all-terrain, blackwall spare tire:
        • May require additional optional equipment
      • 18" LT275/70R18E all-terrain, blackwall tires
      • 18" steel painted Silver wheels
      • 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
      • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
      • Black beltline moldings
      • Black door handles
      • Black outside power-adjustable vertical trailering mirrors:
        • Lower convex mirrors
        • Heated upper glass
        • Integrated turn signal indicators
        • Manual folding/extending
        • Extends 3.31-inches
        • May require additional optional equipment
      • 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
      • 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
      • IntelliBeam:
        • At speeds above 25 mph, can automatically turn vehicle's high beams on and off according to surrounding traffic conditions1
      • LED signature taillamp, with LED stop and reverse light
      • Locking tailgate
      • 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
      • Solar-absorbing glass:
        • Helps minimize the amount of solar rays entering the vehicle cabin
      • 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
      • 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
      • 12-volt auxiliary front power outlet:
        • May require additional optional equipment
      • 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 driver seat
      • 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
      • 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
      • Compass:
        • Located in instrument cluster
      • 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
      • 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:
        • 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 air vents:
        • Provides cabin comfort for rear occupants
      • Rear window defogger:
        • 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 panic alarm button
        • Includes remote locking tailgate
        • May require additional optional equipment
      • Rubberized vinyl floor covering:
        • Provides good traction and convenient cleanup
      • Single-zone manual climate control:
        • Maintains a selected temperature
      • Steering wheel
      • USB ports:
        • (2) Data/charge ports located on instrument panel1
      • 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
      • 12,250 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
      • 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
      • 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
      • Skid plates:
        • Help protect the front underbody, oil pan 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
      • PRO Convenience Package:
        • Rear-window defogger
        • EZ Lift power lock and release tailgate
        • Tinted glass
        • LED cargo bed lighting
        • Outside power-adjustable vertical trailering with heated upper glass mirrors (Crew Cab and Double Cab models)
      • Sierra HD Pro Safety:
        • Forward Collision Alert1
        • Following Distance Indicator1
        • Front Pedestrian Braking1
        • IntelliBeam
        • Lane Departure Warning1
        • Buckle to Drive
        • Automatic Emergency Braking1
      • 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
        • 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
      • 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 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 Seat Belt Indicator
      • 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
      • Seat Belt Adjustable Guide Loops:
        • Front row 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 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
        • 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

      Track your progress

       
       
       

      Peace of mind

      Factory warranty

      3 Years/36,000 Miles from the vehicle's original in-service date

      Optional add-on protection

      • GAP Protection
      • Lifetime Powertrain
      • Tires and Wheels
      • Paint Protection

      A name you can trust

      STOOPS BUICK-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
        Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

        1Dealer Discount applied to everyone