New 2026 GMC Sierra 3500 HD Pro

  • VIN: 1GD3USE76TF367937
  • Stock: G26236

Disclaimer:

While we make every effort to ensure the data listed here is correct, there may be instances where some of the factory rebates, incentives, options or vehicle features may be listed incorrectly as we get data from multiple data sources. Dealer conveyance fee of $729 is not included in the final price. PLEASE MAKE SURE to confirm the details of this vehicle (such as what factory rebates you may or may not qualify for) with the dealer to ensure its accuracy. Dealer cannot be held liable for data that is listed incorrectly.

Details

Basic Info

  • Exterior:
    Summit White
  • Drivetrain:
    Four Wheel Drive
  • Interior:
    Jet Black, Cloth seat trim
  • Transmission:
    Automatic
  • Engine:
    6.6L V8 Gas engine

Key Features

  • AWD
  • Android Auto
  • Apple CarPlay
  • Backup Camera
  • Bluetooth
  • Keyless Entry
  • Lane Departure Warning
  • Side-Impact Air Bags
  • Tow Package

Description

2026 Summit White GMC Sierra 3500HD Pro, Chassis, 6.6L V8, 10-Speed Automatic, 4WD, 2 Charge/Data USB Ports, 2-Speed Electronic Shift Transfer Case, 220 Amp Alternator, 3.73 Rear Axle Ratio, 700 Cold-Cranking Amps/70 Amp-Hr Auxiliary Battery, Chrome Grille with Flat Black Grille Insert Bars, Convenience Package, Deep-Tinted Glass, Electric Rear-Window Defogger, EZ Lift Power Lock and Release Tailgate, LED Cargo Area Lighting, Preferred Equipment Group 1SA, Push Button Start, Remote Keyless Entry, Snow Plow Prep/Camper Package, Solar Absorbing Tinted Glass, Wireless Phone Projection.


Gallagher's commercial department has the people and products to maximize your business. From our express First Bay service and commercial loaner trucks to a vast inventory, Gallagher gets it done. Price includes standard rebates. Additional rebates may be available, please see dealer for details: $500 - GM Rewards Card Sales Sign Up and Spend Offer. Exp. 11/30/2026

Vehicle Details

Exterior

  • 18" LT275/70R18E all-terrain, blackwall tires
  • Tires, LT275/70R18E all-terrain, blackwall (STD) (Requires single rear wheels.)
  • 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
  • Locking tailgate
  • 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
  • Cargo tie-downs
    • 12-fixed rated at 500 lbs. per corner
  • Tailgate and bed rail protection caps
  • Single Rear Wheels (STD)
  • 18" steel painted Silver wheels
  • Wheels, 18" (45.7 cm) 8-spoke painted steel, Silver Extended (STD) (Requires single rear wheels.)
  • Solar-absorbing glass
    • Helps minimize the amount of solar rays entering the vehicle cabin
  • Animated LED projectors headlamps with LED turn signals and Daytime Running 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
  • Standard tailgate
  • Black door handles
  • Manual Tailgate
  • Chrome front bumper
    • May require additional optional equipment
  • LED signature taillamp, with LED stop and reverse light
  • Black beltline moldings
  • Rear Bumper Delete
  • 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
  • Front license plate bracket
    • Front bracket is included if displaying a front license plate is required in your state
  • Smoked Amber LED roof marker lamps
    • Roof-mounted lamps near the front of the cab
  • Deep-tinted glass
    • Provides added protection from sun and glare

Interior

  • 4-way manual driver seat
  • 3.5" diagonal monochromatic Driver Information Center
  • 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
  • Compass
    • Located in instrument cluster
  • Assist handles
    • Front A-pillar mounted for Driver and Passenger
    • Rear B-pillar mounted
  • 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
  • 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)
  • Steering wheel
  • 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
  • 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
  • Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (STD)
  • Single-zone manual climate control
    • Maintains a selected temperature
  • Instrumentation
    • 6-gauge cluster
    • Speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
  • 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
  • USB ports
    • (2) Data/charge ports located on instrument panel1
  • Outside temperature display
    • Located in infotainment display
  • 4-way manual front passenger seat
  • 12-volt auxiliary front power outlet
    • May require additional optional equipment
  • 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
  • Rubberized vinyl floor covering
    • Provides good traction and convenient cleanup
  • 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
  • Upfitter switches
    • Program electrical components such as exterior lighting, snow removal equipment or other features to turn on and off at the flip of a switch
    • Allows the driver to operate upfitter-installed equipment conveniently from inside the cab
    • Provides 3-30 amp and 2 – 20 amp configurable circuits to facilitate installation of aftermarket electrical accessories by the dealer or upfitter1 at customer expense
    • Installation instructions and technical assistance available at www.gmupfitter.com
    • May require additional optional equipment
  • Inside rearview auto-dimming mirror
    • Automatically dims the inside rearview mirror when it senses bright light from behind
    • When headlamp glare is no longer detected, the mirror returns to its normal state
  • Rear window defogger
    • Utilizes a warming grid to help remove fog or frost from the rear window

Entertainment

  • 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
  • Wi-Fi® Hotspot capable
    • Terms and limitations apply. See onstar.com or dealer for details.
    • May require additional optional equipment
  • 2-speaker audio system
    • Includes 2 speakers placed in the front doors
  • Wireless phone projection
    • For Apple CarPlay™1 and Android Auto™2
  • 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
  • Audio system, GMC Infotainment System with 7" diagonal color touch-screen, AM/FM stereo with seek-and-scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wireless Apple CarPlay and Android Auto capable (STD)

Mechanical

  • 6.6L V8 Gas engine
    • 401 hp [299 kW] @ 5200 rpm
    • 464 lb-ft of torque [629 N-m] @ 4000 rpm
    • 3.73 rear axle ratio
    • Paired with an Allison® 10-speed automatic transmission
    • Capless fuel fill
  • Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD)
  • 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
  • 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)
  • Transmission, 10-Speed automatic (STD)
  • 11,300 lbs. GVWR
  • GVWR, 11,300 lbs. (5126 kg) with single rear wheels (STD) (Included and only available with TC30953 or TK30903 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
  • Black vertical recovery hooks
    • Two front frame-mounted1
  • 3.73 rear axle ratio
    • Requires a gas engine
  • Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
  • 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
  • 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
  • External engine oil cooler
    • Heavy-duty air-to-oil cooler
    • Helps extend engine oil life under heavy loads
  • Steering
    • Recirculating Ball with smart flow power steering system
  • 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
  • Fully boxed frame
    • Hydroformed front section
    • High-strength steel
  • Brake pad wear indicator
  • 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
  • Heavy-duty 720 cold-cranking amps battery
    • 80 Amp-hr
    • Maintenance-free with rundown protection and retained accessory power
    • May require additional optional equipment
  • Suspension Package
    • Designed to help maintain handling and ride quality while towing a trailer or carrying a load
  • Pickup bed delete
    • Deletes pickup bed, tailgate, tailgate lock, rear bumper, spare tire and tire carrier lock
    • Includes capped fuel fill and backup alarm calibration
    • May require additional optional equipment
  • Capped fuel fill
    • Requires diesel engine or pickup bed delete
  • Auxiliary 700 cold-cranking amps battery
    • Helps boost cold-weather starting power
    • Can supply electrical power to additional equipment, such as a trailer or slide-in camper, to reserve the main battery's cranking power
  • Skid plates
    • Help protect the front underbody, oil pan and transfer case
    • May require additional optional equipment
  • 220-amp alternator
    • May require additional optional equipment

Safety

  • 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
  • Signature LED Daytime Running Lamps
  • 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
  • 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
  • OnStar® services capable
    • See onstar.com for details and limitations. Services vary by model. Service plan required.
  • 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
  • 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
  • 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
  • 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
  • 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
  • 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
  • LED Daytime Running Lamps
  • 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
  • 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

Premium Options & Packages

Wireless phone projection
  • For Apple CarPlay™1 and Android Auto™2
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
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
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
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
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
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
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
ADDITIONAL EQUIPMENT
  • BATTERY, AUXILIARY, 700 COLD-CRANKING AMPS/70 AMP-HR $135
  • LAMPS, SMOKED AMBER ROOF MARKER, (LED) $55
  • MIRROR, INSIDE REARVIEW AUTO-DIMMING
  • DEFOGGER, REAR-WINDOW ELECTRIC $225
  • ALTERNATOR, 220 AMPS $150
  • GLASS, DEEP-TINTED $200
  • LICENSE PLATE KIT, FRONT
  • SPARE TIRE DELETE
  • BUMPER, REAR, DELETE
AUDIO SYSTEM, GMC INFOTAINMENT SYSTEM WITH 7" DIAGONAL COLOR TOUCH-SCREEN, AM/FM STEREO
  • With seek-and-scan and digital clock
  • includes Bluetooth streaming audio for music and select phones; featuring wireless Apple CarPlay and Android Auto capable
AXLE
  • REAR AXLE
  • 3.73 RATIO
BACK-UP ALARM CALIBRATION
$50
  • This calibration will allow installation of an aftermarket back-up alarm by disabling rear perimeter lighting
CONVENIENCE PACKAGE
$425
  • Includes (QT5) EZ Lift power lock and release tailgate
  • (AKO) tinted glass
  • (UF2) LED cargo bed lighting and (C49) rear-window defogger. Note: when (G9Y) 14
  • 000 lbs. (6350 kg) with dual rear wheels is ordered
  • (DWI) Mirrors
  • outside power-adjustable vertical trailering will be required.
EMISSIONS
  • COLORADO
  • CONNECTICUT
  • DELAWARE
  • MAINE
  • MARYLAND
  • MASSACHUSETTS
  • MINNESOTA
  • NEVADA
  • NEW JERSEY
  • NEW MEXICO
  • NEW YORK
  • OREGON
  • PENNSYLVANIA
  • RHODE ISLAND
  • VERMONT AND WASHINGTON STATE REQUIREMENTS
ENGINE, 6.6L V8 WITH DIRECT INJECTION AND VARIABLE VALVE TIMING, GASOLINE
  • (401 hp [299 kW] @ 5200 rpm
  • 464 lb-ft of torque [629 N-m] @ 4000 rpm)
GVWR
  • GVWR
  • 11
  • 300 LBS. (5126 KG) WITH SINGLE REAR WHEELS
MIRRORS, OUTSIDE POWER-ADJUSTABLE VERTICAL TRAILERING WITH HEATED AND AUTO-DIMMING UPPER GLASS
$515
  • Lower convex mirrors
  • turn signal indicators
  • puddle lamps
  • (U12) perimeter lighting
  • auxiliary lighting
  • power folding/manual extending (extends 3.31" [84.25mm])
  • Black; Includes (DD8) auto-dimming rearview mirror.
PAINT
  • SUMMIT WHITE
PICKUP BED, DELETE
-1155
  • Includes capped fuel fill
  • (SFW) Back-up alarm calibration
  • (9J4) rear bumper delete
  • (9L3) spare tire delete and spare tire carrier delete.
POWER OUTLET, INSTRUMENT PANEL, 120-VOLT
$150
  • (400 watts shared with (KC9) bed mounted power outlet)
PRO PREFERRED EQUIPMENT GROUP
  • Includes standard equipment
REAR CAMERA KIT
$73
  • Kit includes camera
  • fixed position bracket & 19 ft cable with attachment clips. Rear camera radio calibration provided from the factory. See Upfitter Integration Bulletin for installation instructions at www.gmupfitter.com
REAR WHEEL CONFIGURATION
  • SINGLE REAR WHEELS
SEAT TRIM
  • JET BLACK
  • CLOTH SEAT TRIM
SEATS, FRONT 40/20/40 SPLIT-BENCH
  • With covered armrest storage and under-seat storage (lockable)
SKID PLATES
$150
  • Protect the oil pan
  • front axle and transfer case
SNOW PLOW PREP/CAMPER PACKAGE
  • Includes (KW5) 220-amp alternator
  • includes increased front GAWR on Heavy Duty models
  • (NZZ) skid plates (transfer case and oil pan)
  • pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage
  • recommend ordering (UY2) Trailering wiring provisions; and includes (KW5) 220-amp alternator
TIRES
  • TIRES
  • LT275/70R18E ALL-TERRAIN
  • BLACKWALL
TRANSMISSION
  • TRANSMISSION
  • 10-SPEED AUTOMATIC
UPFITTER SWITCH KIT, (5)
$150
  • Provides 3-30 amp and 2-20 amp configurable circuits to facilitate installation of aftermarket electrical accessories. Kit with all required parts will be shipped loose with the truck for installation by the dealer or upfitter at customer expense. Installation instructions and technical assistance available at www.gmupfitter.com.
WHEELS
  • WHEELS
  • 18" (45.7 CM) 8-SPOKE PAINTED STEEL
  • SILVER EXTENDED

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Disclaimer:

While we make every effort to ensure the data listed here is correct, there may be instances where some of the factory rebates, incentives, options or vehicle features may be listed incorrectly as we get data from multiple data sources. Dealer conveyance fee of $729 is not included in the final price. PLEASE MAKE SURE to confirm the details of this vehicle (such as what factory rebates you may or may not qualify for) with the dealer to ensure its accuracy. Dealer cannot be held liable for data that is listed incorrectly.

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

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325 Columbus Blvd, New Britain, CT, 06051
Gallagher GMC 41.66272, -72.77675.