Unleash the Power of the 2026 GMC Sierra 3500HD ProIntroducing the 2026 GMC Sierra 3500HD Pro, a true workhorse built to conquer any challenge. With i… Read More…
Unleash the Power of the 2026 GMC Sierra 3500HD Pro
Introducing the 2026 GMC Sierra 3500HD Pro, a true workhorse built to conquer any challenge. With its commanding presence and uncompromising capabilities, this heavy-duty pickup is ready to take on your toughest tasks.
- Custom Features: - - CADS Features: 1SA PRO SAFETY PLUS PACKAGE, CONVENIENCE PACKAGE, LPO, BLACK ASSIST STEP, WHEELS, 18 (45.7 CM) MACHINED ALUMINUM WHEEL, X31 OFF-ROAD PACKAGE, SNOW PLOW PREP/CAMPER PACKAGE, POWER OUTLET, INSTRUMENT PANEL, 120-VOLT, LAMPS, SMOKED AMBER ROOF MARKER, (LED) - Package Features: 1SA Pro Safety Plus Package, Convenience Package, Snow Plow Prep/Camper Package, X31 Off-Road Package - Starred Features: Electric Rear-Window Defogger, Off-Road Suspension, EZ Lift Power Lock and Release Tailgate, Hill Descent Control, Perimeter Lighting, 220 Amp Alternator, LED Cargo Area Lighting, Outside Power-Adjustable Black Mirrors, Power-Adjustable Black Outside Mirrors, Auto-Dimming Inside Rear-View Mirror, Lane Change Alert with Side Blind Zone Alert, Rear Cross Traffic Alert, Ultrasonic Front and Rear Park Assist, Deep-Tinted Glass
Beneath the bold exterior lies a powerhouse 6.6L V8 engine, paired with a 10-speed automatic transmission and 4-wheel drive, delivering the muscle you need to tackle any job. Whether you're hauling heavy loads or navigating rugged terrain, this Sierra 3500HD Pro is built to excel.
Designed with your comfort and convenience in mind, this truck offers a wealth of premium features, including a user-friendly infotainment system, heated and power-adjustable mirrors, and a host of advanced safety technologies. The EZ Lift power lock and release tailgate, coupled with the LED cargo bed lighting, make loading and unloading a breeze.
For those who demand more from their heavy-duty pickup, the Sierra 3500HD Pro's off-road-focused X31 package delivers. Featuring skid plates, hill descent control, and an off-road-tuned suspension, this truck is ready to conquer the toughest trails and job sites.
Whether you're a contractor, outdoor enthusiast, or simply seeking a capable and well-equipped truck, the 2026 GMC Sierra 3500HD Pro is the perfect choice. Experience the unrivaled power, versatility, and premium features that make this heavy-duty pickup a true standout in its class.
Why Buy from Weirs Buick GMC?
Weirs Buick GMC has proudly served Arundel, Kennebunk, Kennebunkport, and all of Maine for over 65 years. Our dedicated team ensures that whether you're looking to buy, sell, or lease a Buick or GMC in Maine, your experience is seamless and enjoyable. We serve customers from Westbrook, Portland, Augusta, Auburn, Sanford, Portsmouth, and across New England.
As your trusted GMC dealer in Maine, we offer competitive pricing comparable to other GMC and Buick dealers in the region. In addition to our wide selection of vehicles, we sell and service Fisher snow plows, ensuring you're ready for Maine's tough winters. Conveniently located on Route 1 in Arundel, we invite you to stop in and see why we've been the go-to dealership for generations.
Visit us online at www.weirsbuickgmc.com or stop by today to experience the Weirs difference!
Some vehicle images may be digitally enhanced to improve online presentation. These images may not display all cosmetic details. Price includes: $500 - Bonus Cash. Exp. 03/31/2026 $500 - Purchase Allowance. Exp. 03/31/2026 Read Less
Chassis Details
Stock Number
G25779
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 3500
Class
3
GVWR
11,550
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
Pro
Vehicle VIN
1GT4USE76TF148775
Interior Color
Jet Black, Cloth seat trim
Seating Capacity
0
Exterior Color Description
Summit White
Engine Cylinder Count
8
Engine
6.6L V8 Gas engine
Transmission Type
Automatic
Fuel Type
Gasoline
Engine Model
L8T
Engine Size (L)
6.6
Horsepower
401
Brake Type
Hydraulic
Vehicle Options
Bumper, front chrome lower
Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
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)
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
Glass, solar absorbing, tinted
Seat trim, Vinyl
Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
Daytime Running Lamps LED signature lighting
Tailgate, locking, utilizes same key as ignition and door (Included and only available with (QK1) standard tailgate. Deleted with (ZW9) pickup bed delete.)
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Tire, spare LT275/70R18 all-terrain, blackwall (Included and only available with (QF6) LT275/70R18E all-terrain, blackwall tires with (E63) pickup bed single rear wheel models. Available to order when (ZW9) pickup bed delete and (QF6) LT275/70R18E all-terrain, blackwall tires are ordered with single rear wheel models.)
Driver Information Center, 3.5" diagonal monochromatic display
Transmission, 10-Speed automatic (STD)
Moldings, beltline, Black
Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
LED Signature DRL's
Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
Bumper, rear chrome with bumper CornerSteps
Tires, LT275/70R18E all-terrain, blackwall (Requires single rear wheels.)
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Windows, power rear, express down (Not available on Regular Cab models.)
Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
Transfer case, two-speed electronic shift with push button controls (Requires 4WD models.)
Seat Belt Adjustable Guide Loops, front row only (Included and only available on Crew Cab and Double Cab models. Not available with (ZW9) pickup bed delete.)
Single Rear Wheels
Window, power front, passenger express down
Air filter, heavy-duty
Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
Window, power front, drivers express up/down
Cooling, external engine oil cooler
Cruise control, steering wheel-mounted
Indicator-Seat Belt WARNING, Rear Seat (Requires Crew Cab or Double Cab model.)
Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
Door handles, Black grained
Brake lining wear indicator
Exterior Temperature Display located in radio display
Power outlet, front auxiliary, 12-volt
Door locks, power
Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (STD)
Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Not available with Regular Cab model.)
Seat adjuster, passenger 4-way manual
Remote Keyless Entry
Air conditioning, single-zone
Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available with (ZW9) pickup bed delete.)
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
Push Button Start
Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available with (ZW9) pickup bed delete.)
Auto-locking rear differential
Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety)
GVWR, 11,550 lbs. (5239 kg) with single rear wheels (STD) (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
Bluetooth for phone connectivity to vehicle infotainment system
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Pickup bed includes bed assist step (Deleted when (ZW9) pickup bed delete is ordered.)
Compass, located in instrument cluster
Wireless Phone Projection for Apple CarPlay and Android Auto
Steering wheel, urethane
Suspension Package (Not available with (X31) Off-Road Package.)
HD Rear Vision Camera (Not available with (ZW9) pickup bed delete. Removed with (UV2) HD Surround Vision.)
Steering, Recirculating Ball with smart flow power steering system
USB Ports, 2, Charge/Data ports located on instrument panel
Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Recovery hooks, front, frame-mounted, Black
Tire Pressure Monitoring System auto learn, includes Tire Fill Alert (does not apply to spare tire)
Air vents, rear (Not available with Regular Cab model.)
Floor covering, rubberized-vinyl (Not available with LPO floor liners.)
CornerStep, rear bumper
Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance (Deleted when (ZW9) pickup bed delete is ordered.)
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)
OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including remote commands, built-in voice assistance, real-time traffic and navigation, and Automatic Crash Response to help if you're in need. (Requires (UE1) OnStar. OnStar Basics includes remote commands, Navigation, Voice Assistance, and Automatic Crash Response, for eligible vehicles with compatible software. OnStar Basics is standard for 8 years; OnStar plan, working electrical system, cell reception and GPS signal required. OnStar links to emergency services. Service coverage varies with conditions and location. Service availability, features and functionality vary by device and software version. See onstar.com for details and limitations.)
Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps
Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
Four wheel drive
Steering column, Tilt-Wheel, manual with wheel locking security feature
Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control includes electronic trailer sway control and hill start assist
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included with (ZW9) pickup bed delete.)
Trailer brake controller, integrated
Sierra HD Pro Safety includes (UEU) Forward Collision Alert, (UE4) Following Distance Indicator, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (UFL) Lane Departure Warning, (T8Z) Buckle to Drive and (UHY) Automatic Emergency Braking
Seat adjuster, driver 4-way manual
Suspension, Off-Road
Lane Change Alert with Side Blind Zone Alert
Pro Preferred Equipment Group
Wheels, 18" (45.7 cm) machined aluminum wheel
Convenience Package
Hill Descent Control
Rear Cross Traffic Alert
LPO, Black assist step
Power outlet, bed mounted, 120-volt
Tailgate, gate function manual with EZ Lift
Jet Black, Cloth seat trim
LED Cargo Area Lighting
Power outlet, instrument panel, 120-volt
Mirror, inside rearview auto-dimming
Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, Nevada, New Jersey, New Mexico, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington state requirements
1SA Pro Safety Plus Package
Summit White
X31 Off-Road Package
Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass