2025 GMC Sierra 2500 Performance

Among the most popular GMC models, the 2025 GMC Sierra 2500 offers Indianola drivers with a way to tackle heavy payloads with ease. In order to give you a better idea of what this beast of a truck has to offer, our Knoxville team put together a guide detailing the following:

• GMC Sierra 2500 towing capacity
• GMC Sierra 2500 payload capacity
• GMC Sierra 2500 engine options

This is just the tip of the iceberg. Review our guide and then browse our new vehicle inventory to start your GMC car-buying journey. Whichever configuration you choose, your Pella commute won’t ever be the same!

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

Explore the GMC Sierra 2500 Specs at DeYarman Automotive Today

Don’t settle for less. With a 2025 GMC Sierra 2500 by your side, there’s no Southeast Des Moines job you can’t handle. If you’re ready to make the switch, be sure to value your trade, calculate your monthly payments, and apply for financing online to get a jumpstart on the purchase process. Our Knoxville finance center is ready to help make this new truck dream a reality.