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New 2026 GMC Sierra 2500 Pro Crew Cab

Stock #G25902

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 2

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 3

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 4

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 5

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 6

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 7

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 8

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 9

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 10

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 11

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 12

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 13

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 14

New 2026 GMC Sierra 2500 Pro Crew Cab for sale #G25902 - photo 15

Window Sticker

Vehicle Notes

The 2026 GMC Sierra 2500HD Pro is a true workhorse, engineered to conquer any task you throw its way. With its powerful 6.6L V8 engine and rugged 4WD …
Read More… The 2026 GMC Sierra 2500HD Pro is a true workhorse, engineered to conquer any task you throw its way. With its powerful 6.6L V8 engine and rugged 4WD capabilities, this truck is built to handle the toughest jobs with ease.

Tailored to your active lifestyle, the Sierra 2500HD Pro comes equipped with a dazzling array of features, including:
- 1SA Pro Safety Plus Package
- Convenience Package
- X31 Off-Road Package
- Snow Plow Prep/Camper Package
- Smoked Amber Roof Marker Lamps
- 120-Volt Bed Mounted Power Outlet
- Wireless Phone Projection
- Rear Cross Traffic Alert
- Lane Change Alert with Side Blind Zone Alert

This Sierra 2500HD Pro is the perfect blend of capability and convenience, designed to make your workday or weekend adventure a breeze. With its rugged off-road suspension, hill descent control, and skid plates, you'll conquer any terrain with confidence. And with the convenience of the EZ Lift power lock and release tailgate, loading and unloading has never been easier.

Step inside the spacious cabin, and you'll be greeted by premium materials and thoughtful technology. The GMC Infotainment System with wireless Apple CarPlay and Android Auto integration keeps you connected and entertained, while the 120-volt power outlet provides the juice you need to power your tools or devices on the job site.

Safety is also a top priority, with features like Front and Rear Park Assist, Rear Cross Traffic Alert, and Lane Change Alert with Side Blind Zone Alert keeping you and your cargo secure. The Sierra 2500HD Pro is built to protect what matters most.

Whether you're tackling a tough job or embarking on an epic adventure, the 2026 GMC Sierra 2500HD Pro is the perfect companion. With its uncompromising performance, advanced technology, and exceptional safety features, this truck is ready to take on whatever challenges come your way.

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: $1000 - Purchase Allowance. Exp. 06/01/2026
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Chassis Details

Stock Number

G25902

Stock Type

New

Year

2026

Make

GMC

Model

Sierra 2500

Class

GVWR

10,450

Drivetrain

4WD

Cab Type

Crew

Vehicle Trim

Pro

Vehicle VIN

1GT4ULE78TF178981

Interior Color

Jet Black, Cloth seat trim

Seating Capacity

Exterior Color Description

Onyx Black

Engine Cylinder Count

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

Wireless phone projection for Apple CarPlay and Android Auto
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.)
Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
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.)
Tailgate, locking, utilizes same key as ignition and door (Included and only available with (QK1) standard tailgate. Deleted with (ZW9) pickup bed delete.)
Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available on (ZW9) pickup bed delete.)
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
Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
Windows, power rear, express down (Not available on Regular Cab 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.)
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
Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering (Not available on (ZW9) pickup bed delete.)
StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Cooling, external engine oil cooler
Cruise control, steering wheel-mounted
OnStar Basics (OnStar Fleet Basics for Fleet) Drive confidently with core OnStar services including select 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 select 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.)
Daytime Running Lamps, LED signature lighting
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
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
Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
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.)
Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
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.)
Seat adjuster, passenger 4-way manual
Remote Keyless Entry
Air conditioning, single-zone
Transfer case, two-speed, electronic shift with push button controls (Requires 4WD models.)
Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
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.)
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
Push Button Start
Auto-locking rear differential
Windows, power front, drivers express up/down
Bluetooth for phone connectivity to vehicle infotainment system
Cargo tie downs (12), fixed, rated at 500 lbs per corner
Compass, located in instrument cluster
Steering wheel, urethane
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
Cooling, auxiliary external transmission oil cooler
Air filtration monitoring
USB Ports, 2, Charge/Data ports located on instrument panel
Recovery hooks, front, frame-mounted, Black
Air vents, rear (Not available with Regular Cab model.)
Instrument cluster 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
GVWR, 10,450 lbs. (4740 kg) (STD) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 17" wheels or TC20753 model and (L8T) 6.6L V8 gas engine with 18" or 20" wheels.)
Floor covering, rubberized-vinyl (Not available with LPO floor liners.)
Pickup bed includes bed assist step
Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
Grille (Chrome with flat black grille insert bars.)
CornerStep, rear bumper
Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
Exterior Temperature Display, located in radio display
Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance (Deleted when (ZW9) pickup bed delete is ordered.)
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)
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.)
Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps
Four wheel drive
Steering column, Tilt-Wheel, manual with wheel locking security feature
Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included with (ZW9) pickup bed 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 (STD)
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
Wheels, 17" (43.2 cm) machined aluminum
Lane Change Alert with Side Blind Zone Alert
Pro Preferred Equipment Group
SiriusXM Trial Subscription
Convenience Package
Rear Cross Traffic Alert
Tires, LT265/70R17E all-terrain, blackwall
Power outlet, bed mounted, 120-volt
Tailgate, gate function manual with EZ Lift
Jet Black, Cloth seat trim
LED Cargo Area Lighting
Suspension, Off-Road
Power outlet, instrument panel, 120-volt
Mirror, inside rearview auto-dimming
Mirrors, outside power-adjustable vertical trailering
1SA Pro Safety Plus Package
License plate kit, front, Incandescent lighting
X31 Off-Road Package
Front and Rear Park Assist, ultrasonic
Alternator, 220 amp
Hill Descent Control
Lamps, Smoked Amber roof marker, (LED)
Emissions, Colorado, Connecticut, Delaware, Maine, Maryland, Massachusetts, Minnesota, Nevada, New Jersey, New York, Oregon, Pennsylvania, Rhode Island, Vermont and Washington state requirements
Skid Plates
Tire, spare LT265/70R17E all-terrain, blackwall
Onyx Black
Defogger, rear-window electric
Snow Plow Prep/Camper Package
Glass, deep-tinted
View All