GMC Sierra 2500 Specs & Performance

2025 GMC Sierra 2500HD
 

When the job demands the highest levels of power and muscle, the 2026 GMC Sierra 2500 HD truly delivers. Thanks to the new GMC Sierra 2500 engine options, its uncompromising strength and reliability make this heavy-duty pickup the ideal co–pilot for all driving needs, from your daily commute in North Miami Beach to the rigors of your Hollywood job site. Get to know the new GMC Sierra 2500 specs and performance features below, then see them firsthand when you visit us in Miami.

 

New GMC Sierra 2500 Engine Options

No matter which trim you choose, the 2026 Sierra 2500 HD comes equipped with a powerful engine under the hood. Drivers can choose between two new GMC Sierra 2500 engine options, including the legendary Duramax® turbo-diesel, both of which offer the rugged, robust performance you expect from a GMC.

6.6L V8 Gas Engine 

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

Duramax® 6.6L Turbo-Diesel V8 

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

When properly equipped, the 2500 HD Regular Cab long bed 2WD model with the available Duramax® 6.6L Turbo-Diesel V8 and Max Trailering Package leads the charge with a best-in-class towing capacity of 22,390 pounds. Even the versatile Crew Cab configuration impresses with a maximum tow rating of 21,870 pounds**, proving that capability is a central feature of every version of this truck.

2026 GMC Sierra 2500 HD Performance Features

Speaking of features, the new GMC Sierra 2500 specs are just the start of the many highlights that make this pickup a standout in the automaker’s new vehicle lineup. Standard and available amenities enhance every Fort Lauderdale drive with intelligent technology and performance-focused systems designed for safety, stability, and convenience.

  • 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

See The New GMC Sierra 2500 Specs In Action At Buick GMC of North Miami

If you’re ready to experience what true heavy-duty power feels like, schedule a test drive by contacting us today. Come see how the Sierra 2500 HD continues to set the standard for power, precision, and performance on the road and on the job.


*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.

**Requires a Crew Cab long bed 2WD model with available Duramax 6.6L Turbo-Diesel V8 engine, Max Trailering package, Gooseneck/Fifth-Wheel Prep Package, 18-inch or 20-inch wheels and tires 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.

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