2025 GMC Sierra 1500 Engine Specs

2025 GMC Sierra 1500 AT4X

 

The GMC Sierra 1500 is renowned for its exceptional durability, reliability, and capabilities, making it a highly sought-after truck among drivers throughout the region. If you think this truck is ideal for your work and play needs in West Easton and the surrounding areas, learn about the 2025 GMC Sierra 1500 engine specs with Star GMC Easton today! We cover the GMC Sierra 1500 towing capacity, mpg ratings, horsepower, and more. Contact us in Easton to arrange a test drive, and let us know if you have questions about any of the following information. 

2025 GMC Sierra 1500 Engine Options

In total, there are four powertrains for our Alpha 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! 

Do you have any questions about the GMC Sierra 1500 towing capacity per engine? Are you ready to get behind the wheel and see how your preferred trim level handles on Philipsburg roads? Call (610) 991-2231 or contact us online today to schedule your appointment. For more helpful brand information, learn about GMC GAP Coverage and how to reset GMC IntelliLink.

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