GMC Sierra 2500 HD Performance

2026 GMC Sierra HD

The 2026 GMC Sierra 2500 is an HD truck that provides drivers throughout Rome and the surrounding areas with the power and performance they need to accomplish more. If you are interested in this model, learn about the new GMC Sierra 2500 specs today! Our guide reviews the new GMC Sierra engine options to help you decide whether to schedule a test drive at our dealership in Cartersville. Contact Welborn GMC Of Cartersville to schedule an appointment, and let us know if you have any questions.

New GMC Sierra 2500 Engine Options And Specs

The new GMC Sierra 2500 specs impress, regardless of which engine your selected trim level includes. The available Duramax® diesel engine is standard on the Denali Ultimate and available on the Pro, SLE, SLT, AT4, and AT4. Check out the specs for each engine below as you consider your work and play needs in Acworth and the nearby communities:

6.6L V8 Gas Engine

  • Horsepower: 401
  • Torque: 464 lb-ft
  • Transmission: 10-speed automatic

Duramax® 6.6L Turbo-Diesel V8

  • Horsepower: 470
  • Torque: 975 lb-ft
  • Transmission: 10-speed automatic
  • Towing Capacity: 22,390 pounds*

The above towing capacity requires a 2500 HD Regular Cab long bed 2WD model that includes the available Duramax® 6.6L Turbo-Diesel V8 engine, Max Trailering Package, and other appropriate equipment. Other configurations also offer impressive towing capabilities, such as the GMC Sierra 2500 HD Crew Cab, which features an available max tow rating of up to 21,870 pounds.**

New GMC Sierra 2500 Standard And Available Performance Features

Whether you’re driving in Canton or anywhere else, the GMC Sierra 2500 includes features that make every ride safer and more enjoyable. Check out standard and available performance features across the configurations:

  • Adaptive Cruise Control with Trailering
  • Up to 13 camera views, including transparent trailer view
  • MultiPro™ Tailgate and MultiPro Tailgate Audio System by Kicker®
  • X31 off-road package with twin-tube Rancho® shocks and skid plates
  • Auxiliary trailer camera
  • Forward Collision Alert
  • Following Distance Indicator
  • Front Pedestrian Braking
  • IntelliBeam
  • Lane Departure Warning
  • Automatic Emergency Braking
  • Buckle to Drive
  • And more!

Experience The New GMC Sierra 2500 Specs At Welborn GMC Of Cartersville

Do you have questions about the new GMC Sierra 2500 engine options? Are you ready to take a test drive at our dealership in Cartersville? Call (678) 792-4501 or contact us online today. For more helpful reads about GMC vehicles, please browse our manufacturer research.

 

Disclaimers:

*Requires a 2500 HD Regular Cab long bed 2WD model with available Duramax 6.6L Turbo-Diesel V8 engine, Max Trailering Package, Gooseneck/Fifth-Wheel Prep Package and gooseneck/fifth-wheel hitch. Maximum trailering ratings are intended for comparison purposes only. Before you buy a vehicle or use it for trailering, carefully review the trailering section of the Owner’s Manual. The trailering capacity of your specific vehicle may vary. The weight of passengers, cargo and options or accessories may reduce the amount you can trailer.

2025 GMC Sierra HD Towing

Rome drivers needing a truck that can handle any job they throw at it know that they can trust the GMC Sierra line of pickups. The 2025 GMC Sierra 2500 engine options provide all the power you need, no matter the job requirements—or if you’re just commuting through Acworth. Below, the team at Welborn GMC Of Cartersville explores the 2025 GMC Sierra 2500 specs. Be sure to keep in touch to find out the GMC Sierra 2500 mpg when those figures are available! When you’re ready to take the next step, contact us to schedule your test drive!

GMC Sierra 2500 Engine Options

There are two GMC Sierra 2500 engine options available for 2025. Both boast plenty of horses under the hood and the torque to tow heavy loads—and while the GMC Sierra 2500 mpg hasn’t been released by the EPA yet, you can be sure that it won’t leave you stranded:

6.6L V8 Engine

  • Available On: Pro, SLE, SLT, AT4, Denali, AT4X
  • Horsepower: 401 hp
  • Torque: 464 lb-ft
  • Fuel Tank Capacity: 36 gallons
  • Transmission: Automatic, 10-speed

6.6L Duramax V8 Turbo-Diesel Engine

  • Available On: Pro, SLE, SLT, AT4, Denali, AT4X, Denali Ultimate
  • Horsepower: 470 hp
  • Torque: 975 lb-ft
  • Fuel Tank Capacity: 36 gallons
  • Transmission: Automatic, 10-speed

2025 GMC Sierra 2500 Specs: Towing Capacity

While many specs, like the GMC Sierra 2500 mpg, depend on the engine option you choose for your truck, its towing capacity depends on the truck’s weight—which means cab size. We’ve broken down the relevant 2025 GMC Sierra 2500 specs below:

Crew Cab

  • Max Conventional Trailering: 20,000 pounds
  • Max Gooseneck/5th-Wheel Trailering: 21,870 pounds
  • Max GCWR: 30,000 pounds
  • Max Payload: 3,859 pounds

Double Cab

  • Max Conventional Trailering: 17,900 pounds
  • Max Gooseneck/5th-Wheel Trailering: 18,600 pounds
  • Max GCWR: 26,000 pounds
  • Max Payload: 3,788 pounds

Regular Cab

  • Max Conventional Trailering: 14,500 pounds
  • Max Gooseneck/5th-Wheel Trailering: 22,390 pounds
  • Max GCWR: 30,000 pounds
  • Max Payload: 4,064 pounds

Discover Your GMC Pickup at Welborn GMC Of Cartersville Today

When you’re ready to make a new GMC Sierra 2500 your own in Canton, give us a call at (678) 792-4501 to schedule your visit to our Cartersville dealership. We’ll be happy to help you find the pickup of your dreams! In the meantime, explore our new vehicle specials or apply for financing online.

 

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125 S Dixie Ave, Cartersville, GA, 30120
Welborn GMC Of Cartersville 34.1637, -84.7895.