2025 GMC Sierra 2500 Performance

Among the most popular trucks in Moline and Rock Island, you’ll find the 2025 GMC Sierra 2500. This powerful truck can take on any heavy-duty job in the Quad Cities area with ease. With our guide below, you can take a deeper look at the following:

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

Read on to learn all about the 2025 GMC Sierra 2500 specs, or better yet, see how this new vehicle performs in person. Schedule a test drive and explore the inner workings of this GMC beast at Green Buick GMC.

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 Favorite GMC Truck at Green Buick GMC

When you get behind the wheel of a new GMC truck, you can drive with confidence in Bettendorf knowing it has your back. Schedule a test drive for your favorite model at Green Buick GMC today, or read on about its impressive towing capacity and see how it compares to the 1500. Our team of experts is ready to help make your new truck dreams come true, so don’t hesitate to reach out when you’re ready to secure a model of your own.