
The Rugged New 2026 GMC Sierra 2500HD AT4X Ready for Maine
2026 GMC Sierra 2500HD AT4X
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About This Vehicle
If you’re looking for a truck that can handle whatever a Maine winter throws at it, you’ve found it here in Rockland. This 2026 GMC Sierra 2500HD AT4X isn't just for show; it’s built with a Snow Plow Prep package and a heavy-duty 6.6L V8 engine to make sure you're always the first one out of the driveway after a nor'easter. The Obsidian Rush leather interior is as comfortable as it is tough, and with massaging front seats, even the longest hauls up Route 1 feel like a breeze.
Whether you're hauling a trailer to the coast or clearing the north woods, this truck is ready to work. It’s packed with smart tech to keep you safe and connected while you're out exploring our beautiful state.
- Snow Plow Prep Package with dual alternators
- Gooseneck / 5th Wheel Prep for serious towing
- 13.4-inch Premium Infotainment with Google Built-in
- Massaging Front Seats for maximum comfort
- Black Badging Package for a sleek, bold look
Vehicle Details
Body Style
Truck
Drivetrain
4X4
Engine
Gas V8 6.6L/
Transmission
AUTOMATIC
Fuel
Gas
Exterior
Onyx Black
Key Features
Warranty Coverage
Basic
3 Years / 36,000 Miles
Powertrain
5 Years / 60,000 Miles
Roadside
5 Years / 60,000 Miles
Standard Equipment
Safety
- • Forward Collision Alert
- • Following Distance Indicator
- • Front Pedestrian Braking
- • IntelliBeam
- • Lane Departure Warning
- • Buckle to Drive
- • Automatic Emergency Braking
- • Teen Driver Mode
- • Safety Alert Seat
- • Rear Cross Traffic Alert
- • HD Surround Vision
- • Front & Rear Park Assist
- • Trailer Side Blind Zone Alert
Powertrain
- • Rear E-locking differential
- • 2 Spd Autotrac transfer case
- • Traction Select System w/ Off-Road & Tow-Haul mode
- • Heavy-duty air cleaner
- • StabiliTrak w/ Trailer Sway Control & Hill Start Assist
- • Dig. Variable Steering Assist
- • Trailering Package
- • Trailer Brake Controller
- • Vehicle Trailering App
Technology
- • Premium GMC Infotainment System 13.4" diag color touchscreen w/Google built-in compatibility
- • Wireless Apple CarPlay & Wireless Android Auto
- • 8 Years OnStar Basics
- • SiriusXM audio with SXM trial subscription
- • Color Driver Info Center 12.3"
- • Open and Start remote keyless
- • Rear seat reminder
Interior
- • Dual zone climate control
- • 16 way pwr front bucket seats
- • Heated frt & rear outer seats
- • Ventilated front seats
- • 60/40 rear folding bench seat with storage package
- • Driver seat & mirror memory
- • Premium floor liners
Exterior
- • CornerStep rear bumper
- • Power fold/extend & heated trailer mirrors w/auto-dim
- • LED fog lamps
- • LED cargo area lighting
- • Red front recovery hooks
- • Rear-window defogger
- • Rear wheelhouse liners
- • GMC MultiPro Tailgate
- • Spray-on bedliner
- • Headlamps, animated LED projectors
Comfort & Convenience
- • 120V power outlet in cargo bed & instrument panel
Optional Equipment & Packages
Black Badging Package
$595- • Black GMC emblems
- • Black Sierra nameplates
Gooseneck/5th Wheel Package
$545- • Stamped bed holes w/caps
- • 7-pin trailer harness
Onyx Black
$495Snow Plow Prep/Camper Package
$380- • Dual alternators, 220 amps
- • Increased front GAWR
- • Roof emergency light provisions w/pass through
Battery, auxiliary, 700
$135Add a Boss Plow to Your Truck
Pair your 2026 GMC Sierra 2500HD AT4X with a Boss snow plow — installed and ready to work.
Upfit this GMC Sierra 2500HD
This chassis is ready for a work-truck body. These upfit partners build bodies that fit it — pick one and our fleet team will spec and price the package.

DuraMag · Service Bodies
Aluminum Service BodyFully welded all-aluminum service body — extruded box-tube construction, no bolts to rattle loose.

DuraMag · Service Bodies
Canopy Service BodyFull-width enclosed aluminum canopy service body with a stepped top and composite barn doors.

DuraMag · Landscape Bodies
Smooth-Sided Landscape BodyAll-aluminum smooth-sided landscape body with welded box-tube frame and barn-door access.

DuraMag · Service Bodies
XP Service BodyGalvanneal steel service body with flip-top lids, 5-point security, and a 250,000-mile durability rating.

Knapheide · Service Bodies
Aluminum Service BodyMilitary-grade aluminum that drops weight for more payload — backed 10 years against rust-through.

Knapheide · Service Bodies
Steel Service BodyTwo-sided galvanneal steel, lockable compartments, and a 6-year no-rust-through warranty.

Reading · Service Bodies
Classic II Aluminum Service BodyLightweight aluminum service body for more payload and built-in corrosion resistance.

Reading · Service Bodies
Classic II Steel Service BodyPremium A40 galvannealed steel service body built for heavy-duty work and corrosion resistance.

Reading · Service Bodies
SL Service BodyValue-focused steel service body with double-panel doors and optional Spacemaker storage lids.
Also listed at Quirk GMC of Rockland
This is the same vehicle (stock RG10910) on the franchise store's website, where you'll find manufacturer offers and financing tools for this brand.
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