2025 GMC Sierra 1500 Performance

Is your current truck not quite giving you the power and reliability you need on the Hernando Beach and Spring Hill roads? Lucky for you, Buick GMC Brooksville has a wide selection of new models that can enhance your driving experience. At the front of the line, you’ll find the 2025 GMC Sierra 1500.

This rugged model not only offers stylish features and amenities, but it also boasts incredible performance across all trims. But how do you know which one is right for you? In our guide below, we explain the various GMC Sierra 1500 engine options to help you make an informed decision. Read on to learn more and then apply for financing when you’re ready to make the switch.

2025 GMC Sierra 1500 Engine Options

In total, there are four powertrains for our Inverness 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

Explore the 2025 GMC Sierra 1500 Engine Options at Buick GMC Brooksville

Have questions about the GMC Sierra 1500 engine specs? Our Brooksville team can help! Reach out online or call us at (352) 593-3022 for more information. Feel free to explore our manufacturer information for additional Sierra 1500 details as well. Let us help you get you behind the wheel of a new truck you’re sure to love for many miles to come.