2025 GMC Sierra 1500 Performance

You’ve probably heard good things about the GMC Sierra 1500, including its durability and capabilities. But what can you specifically expect from this light-duty pickup truck when driving in Louisville and Shelbyville? Our 2025 GMC Sierra 1500 specs guide is here to help. Find out what the GMC Sierra 1500 engine options offer, including their maximum towing capacities! Contact Champion Chevrolet to schedule a test drive at our dealership. We think you will love getting behind the wheel of this renowned pickup truck and experiencing its power firsthand. 

2025 GMC Sierra 1500 Engine Options

In total, there are four powertrains for our Crestwood neighbors to consider. The 2025 GMC Sierra 1500 towing capacity and other GMC Sierra 1500 specs vary, depending on which engine you equip your Sierra with. Let’s compare the 2025 GMC Sierra 1500 engine specs and trim compatibility for each powertrain: 

2.7L TurboMax™ I4 Engine

Available On: Pro, SLE, Elevation

• Horsepower: 310 hp
• Torque: 430 lb-ft
• Max Towing Capacity: 9,500 pounds
• Transmission: 8-speed automatic transmission

5.3L EcoTec3 V8 Gas Engine

Available On: Pro, SLE, Elevation, SLT, Denali

• Horsepower: 355 hp
• Torque: 383 lb-ft
• Max Towing Capacity: 11,200 pounds
• Transmission: 10-speed automatic transmission

Duramax® 3.0L Turbo Diesel I6 Engine

Available On: SLE, Elevation, SLT, Denali, AT4, AT4X, Denali Ultimate

• Horsepower: 305 hp
• Torque: 495 lb-ft
• Max Towing Capacity: 13,200 pounds
• Transmission: 10-speed automatic transmission

6.2L EcoTec3 V8 Gas Engine

Available On: SLT, Denali, AT4, AT4X, Denali Ultimate

• Horsepower: 420 hp
• Torque: 460 lb-ft
• Max Towing Capacity: 13,000 pounds
• Transmission: 10-speed automatic transmission

2025 GMC Sierra 1500 MPG Ratings 

While the 2025 GMC Sierra 1500 engine options are remarkably powerful, you’ll be surprised when you view the GMC Sierra 1500 mpg ratings below. They’re exceptionally efficient for the half-ton truck segment. 

• Pro: 18 mpg city/21 mpg highway
• SLE: 18 mpg city/21 mpg highway
• Elevation: 18 mpg city/21 mpg highway
• SLT: 16 mpg city/20 mpg highway
• AT4: 22 mpg city/26 mpg highway
• Denali: 16 mpg city/20 mpg highway
• AT4X: 19 mpg city/20 mpg highway
• Denali Ultimate: 15 mpg city/19 mpg highway

Experience the 2025 GMC Sierra 1500 Engine Options! 

Are you ready to test the 2025 GMC Sierra 1500 specs at our Lagrange dealership? Call (502) 565-4571 or contact us online today to schedule your appointment. We look forward to showing you this truck and answering your questions! Continue your research with our in-depth guide on the GMC Sierra 1500 towing capacity. We also invite you to learn how to reset the GMC IntelliLink system.