2026 GMC Sierra 2500HD

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2026 GMC Sierra 2500HD exterior power and design

Overview of the 2026 GMC Sierra 2500HD

If you're looking for a true one-ton truck with real power, reliability and performance, head down to Chevrolet GMC of Madras to check out the 2026 GMC Sierra 2500HD! We've got plenty of new inventory spanning this exciting range of workhorses, with the 2500 sitting in the middle of the 1500 and 3500 models. Choose from a range of trims that include the luxury-led Denali, and select from either a gas 6.6-liter V8 engine or a turbo-diesel engine, paired with a ten-speed transmission and 470hp plus 975 lb-ft of torque.

Technology Highlights

The GMC Sierra 2500HD is made for trusted reliability, with its impressive driver safety stack and superb in-cabin technologies. The cabin is dominated by the dual 13.4-inch display and 7-inch infotainment screen, and there's adaptive cruise control, an available sunroof, wireless charging and an optional head-up display. The driver safety and assistance suite is also superb, featuring advanced trailering technology and connectivity.

2026 GMC Sierra 2500HD technology and interior features

Design and Styling

Cruise through Madras, OR, and turn heads in the 2026 GMC Sierra 2500 HD, with its bright LEDs, daytime running lights, boxy grille and muscular profile. The spacious cabin is filled with comfortable features, and every trim has its own finishes and attractions, such as contrast stitching and tactile controls, plus oversize alloy wheels. From the rugged Work Truck to the premium Denali, there's a configuration for every need.

Awards and Accolades

We think that the 2026 GMC Sierra 2500 HD will do very well in the 2026 industry awards. Earlier models have taken home the ALG residual value award, and industry reviewers consistently praise its power, reliability, and refinement. Its legendary Duramax diesel powertrain and proven chassis make it a favorite among heavy-duty truck buyers. Come and arrange your test drive at Chevrolet GMC of Madras today!

2026 GMC Sierra 2500HD capability and awards

Key Features

6.6L Gas V8 or Turbo-Diesel Engine

470 HP & 975 LB-FT Torque

10-Speed Automatic Transmission

Up to 11,025 lbs. GVWR

Dual 13.4-inch & 7-inch Display Screens

Available Integrated Trailer Brake Controller

Durabed with 12 Standard Tie-Downs

Fully Boxed High-Strength Steel Frame

GMC Infotainment System with 7" diagonal color touchscreen

Wireless phone projection for Apple CarPlay™ and Android Auto™

Wi-Fi® Hotspot capable

SiriusXM with 360L Trial Subscription

Bluetooth® audio streaming for 2 active devices

Voice command pass-through to phone

6-speaker audio system

Charging-only USB ports, 2nd row

120-volt power outlet on instrument panel

Chevrolet Connected Access capable

OnStar® services capable with Basics Plan

CornerStep rear bumper with textured step pads

Durabed with 12 fixed cargo tie-downs (500 lbs. per corner)

Tailgate with EZ Lift assist, power lock & release

Locking tailgate

Side BedStep for easier bed access

Cargo bed LED lighting

Cab-mounted cargo area lamps

Hitch area lighting

120-volt box-mounted power outlet in bed

Deep-tinted glass

Halogen headlamps with integrated daytime running lights

IntelliBeam automatic high beams

40/20/40 split-bench front seat with under-seat storage

10-way power driver seat with power lumbar (available)

60/40 split-folding rear bench seat

Cloth or available premium seat trim

Carpeted or all-weather floor covering

Manual tilt steering column

Rearview mirror with partial video display (bed camera)

Rear air vents

Rear window defogger

Single-zone manual climate control

Cruise control with steering-wheel mounted controls

Remote Keyless Entry with tailgate lock

6.6L V8 Gas or available Duramax Turbo-Diesel

10-Speed Automatic Transmission

Electronic shift 2-speed transfer case (4WD models)

Fully boxed, high-strength steel frame

Automatic locking rear differential

Integrated trailer brake controller (available)

Heavy-duty 720 CCA battery

Dual alternators (available)

Auxiliary 730 CCA battery (available)

Heavy-Duty Air Filter

4-wheel antilock disc brakes with DuraLife™ rotors

Suspension Package for enhanced towing

HD Rear Vision Camera

Forward Collision Alert

Automatic Emergency Braking

Lane Departure Warning

Front Pedestrian Braking

Following Distance Indicator

Rear Seat Reminder

Teen Driver system

Tire Pressure Monitoring System with Tire Fill Alert

6 airbag system

Buckle to Drive feature

OnStar Automatic Crash Response

Trailering Package (Hitch, Harness, Hitch Guidance)

Custom Convenience Package (Power Seat, Remote Start, Alarm, Tailgate)

WT/CX Safety Package (Rear Park Assist, Blind Zone Alert, Cross Traffic Alert)

Z71 Off-Road Package (Off-Road Suspension, Skid Plates, Hill Descent Control)

Custom Blackout Package (Black Wheels, Badging, Emblems)

Custom Value Package (Combines popular options)

Frequently Asked Questions

What engines are available for the 2026 GMC Sierra 2500HD?

The 2026 Sierra 2500HD offers a powerful 6.6L Gas V8 engine as standard. The legendary Duramax 6.6L Turbo-Diesel V8 is available, producing up to 470 horsepower and an impressive 975 lb-ft of torque, paired with a 10-speed automatic transmission.

What is the towing and payload capacity?

With a Gross Vehicle Weight Rating (GVWR) of up to 11,025 lbs., the Sierra 2500HD is built for serious work. Maximum trailering capacities are among the best in class, especially when equipped with the available Duramax diesel and Max Trailering Package. Contact us for specific configuration details.

What technology comes inside the 2026 Sierra 2500HD?

The cabin features a dominant dual-screen setup with a 13.4-inch diagonal driver information center and a 7-inch infotainment touchscreen (larger screens available). It includes wireless Apple CarPlay/Android Auto, a Wi-Fi hotspot, available wireless charging, and a robust suite of driver assistance features.

What safety features are standard?

Standard safety includes an HD Rear Vision Camera, Forward Collision Alert, Automatic Emergency Braking, Lane Departure Warning, Front Pedestrian Braking, Following Distance Indicator, Rear Seat Reminder, and a 6-airbag system. Higher trims and packages add even more protection.

Does it have trailering technology?

Yes! Available features include an Integrated Trailer Brake Controller, Hitch Guidance with a camera view, Trailer Tire Pressure Monitoring system, and a transparent trailer view. The CornerStep bumper and available Bed Steps make hitching easier.

What is the warranty for the 2026 Sierra 2500HD?

*Preliminary 2026 Warranty* includes: Basic: 3 Years/36,000 Miles; Drivetrain: 5 Years/60,000 Miles (Diesel: 5 Years/100,000 Miles); Roadside Assistance: 5 Years/60,000 Miles (Diesel: 5 Years/100,000 Miles); Corrosion: 3 Years/36,000 Miles Rust-Through, 6 Years/100,000 Miles; First Maintenance Visit: 12 Months/12,000 Miles.

What trim levels are available?

The Sierra 2500HD range starts with the capable Work Truck (WT), moves through the well-equipped SLE and SLT, and culminates in the luxurious Denali. There's also the off-road focused AT4X for extreme capability.

Where can I test drive a 2026 GMC Sierra 2500HD in Central Oregon?

Visit Chevrolet GMC of Madras at 2000 SW HWY 26, Madras, OR 97741. We serve Madras, Bend, Redmond, Prineville, Warm Springs, and all of Central Oregon. Call us at 541-615-9295 to schedule your test drive or browse our new Sierra inventory online.

Do you offer financing on the Sierra 2500HD?

Absolutely! Our finance center can help you secure competitive rates and flexible terms. You can start the process online with our secure Finance Application.

Can I trade in my current truck?

Yes, we welcome trade-ins! Get a fast, free, and no-obligation valuation for your current vehicle using our online Trade-In Tool or speak directly with our sales team.

Build and Price All New Inventory View Sierra 2500HD Models

Visit Chevrolet GMC of Madras for the 2026 GMC Sierra 2500HD in Madras, OR

Test Drive the 2026 GMC Sierra 2500HD Today at Chevrolet GMC of Madras!

*Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees, and optional equipment. Dealer sets final price. Vehicle shown with optional equipment. Images are for illustrative purposes. Specifications, features, and warranty are based on preliminary 2026 model year information and subject to change. Contact Chevrolet GMC of Madras at 541-615-9295 for current pricing, availability, and accurate specifications.