2025 GMC Sierra 2500 Performance

August 27th, 2025 by

2025 GMC Sierra 2500HD
 

Warner Robins 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 Byron. Below, the team at Hutchinson GMC 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!

View New Sierra HD InventoryContact Us

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 Next GMC Pickup at Hutchinson GMC Today

When you’re ready to make a new GMC Sierra 2500 your own near Perry, give us a call at (478) 245-4037 to schedule your visit to our Macon 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.

 

More from Hutchinson GMC

  • 2026 GMC Sierra 1500 Denali Overview

      Representing the pinnacle of luxury in the pickup truck market, the 2026 GMC Sierra 1500 Denali and Denali Ultimate offer a driving experience like no other. If you’re looking for premium touches like leather seating surfaces and authentic wood trim in your next truck, take a closer look at the Denali trim highlights below….

    Read More

  • What is the GMC Maintenance Schedule?

      Following your manufacturer-recommended GMC service schedule will prevent future repairs, maximize resale value, and keep your GMC running on Byron streets for years to come. While the GMC Sierra maintenance schedule will differ from the GMC Yukon maintenance schedule, our recommendations should give you a near-accurate sense of whether you’re overdue for an oil…

    Read More

  • 2026 GMC Sierra 1500 Interior

    You can tow and haul just about anything with your GMC Sierra 1500, thanks to its hefty towing capabilities and spacious bed dimensions. But how much space will you have inside the cabin? It depends on whether you opt for a Regular Cab, Double Cab, or Crew Cab. In this 2026 GMC Sierra 1500 interior…

    Read More

Posted in GMC Model Features