Conquer Maine Roads with the All-New 2026 GMC Sierra 2500HD Denali
2026 GMC Sierra 2500HD Denali
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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. This 2026 GMC Sierra 2500HD Denali is an absolute powerhouse, built to make short work of hauling gear to the camp or towing the boat down to the harbor. With that legendary 6.6L Duramax Turbo-Diesel V8 under the hood, you’ve got 975 lb-ft of torque ready to roll, and the 4X4 drivetrain keeps you planted even when the back roads get a little muddy or snow-packed.
Inside, it’s all comfort and high-end tech. You’ll be staying cozy during those freezing mornings thanks to the heated steering wheel and heated/cooled leather seats. Whether you're navigating Route 1 or heading up to the North Woods, the advanced safety features like Lane Departure Warning and Blind Spot Monitoring give you that extra peace of mind. Come by Quirk GMC in Rockland and see this beauty for yourself.
- 6.6L Duramax Turbo-Diesel V8 engine
- Luxurious Denali leather interior
- Heated and ventilated front seats
- Adaptive Cruise Control and safety suite
- Integrated tailgate step for easy bed access
- Durable spray-in bed liner
Vehicle Details
Body Style
Truck
Drivetrain
4X4
Engine
Turbocharged Diesel V8 6.6L/
Transmission
AUTOMATIC
Fuel
Diesel
Exterior
Sterling Metallic
Key Features
Warranty Coverage
Basic
3 Years / 36,000 Miles
Powertrain
5 Years / 100,000 Miles
Roadside
5 Years / 100,000 Miles
Standard Equipment
Safety
- • Forward Collision Alert
- • Following Distance Indicator
- • Front Pedestrian Braking
- • IntelliBeam
- • Lane Departure Warning
- • Buckle To Drive
- • Automatic Emergency Braking
- • Safety Alert Seat
- • Rear Cross Traffic Alert
- • HD Surround Vision
- • Front & Rear Park Assist
- • Trailer Side Blind Zone Alert
Powertrain
- • Auto Locking Rear Diff
- • 2 SPD Autotrac Transfer Case
- • 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
- • 8 Years OnStar Basics
- • 3 Years OnStar One
- • SiriusXM Audio
- • Bose Premium Sound System
- • Bed View Camera
- • Color Driver Info Center 12.3"
- • Open And Start Remote Keyless
- • Remote Start
- • Wireless Charging
Interior
- • 12 Way Pwr Front Bucket Seats
- • Ventilated Front Seats
- • Heated Frt & Rear Outer Seats
- • 60/40 Rear Folding Bench Seat With Storage Package
- • Driver Seat & Mirror Memory
- • Wrapped & Heated Steering Wheel
Exterior
- • Power Fold/Extend & Heated Trailer Mirrors W/Auto-Dim
- • LED Fog Lamps
- • Chrome Front Recovery Hooks
- • Spray-On Bedliner
- • LED Cargo Area Lighting
- • Power Rear Sliding Window
- • GMC MultiPro Tailgate
- • Roof Marker Lamps
- • Headlamps, Animated LED Projectors
Optional Equipment & Packages
Duramax 6.6L Turbo-Diesel
$9,990Wheels 22" Bright Finish Aluminum
$3,850Denali Reserve Package
$2,335- • Rear Camera Mirror
- • Multi-Color Head Up Display
- • Power Sunroof
Power Retractable Assist Steps
$1,500- • Perimeter Lighting
Gooseneck/5th Wheel Package
$545- • Stamped bed holes w/caps
- • 7-pin trailer harness
Sterling Metallic
$495GMC Protection Package
$495- • All-weather floor liner
- • Front & rear splash guards
All-Terrain Blackwall
$200Snow Plow Prep/Camper Package
$150- • 220-amp alternator
- • Increased front GAWR
- • Skid plates
- • Roof emergency light provisions w/pass through
Rear Axle 3.42 Ratio
0Add a Boss Plow to Your Truck
Pair your 2026 GMC Sierra 2500HD Denali 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 RG10938) on the franchise store's website, where you'll find manufacturer offers and financing tools for this brand.
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