2025 GMC Sierra 1500 Specs

 

The advanced engine options and impressive towing capabilities of the 2025 GMC Sierra 1500 empower Coppell drivers to achieve remarkable feats at the job site. Are you considering this new GMC vehicle? Explore the 2025 GMC Sierra 1500 engine specs, mpg ratings, and more with the team at Sewell Buick GMC of Dallas near Plano. Afterward, complete a secure finance application and visit our Dallas store to witness the GMC Sierra performing at its best.

2025 GMC Sierra 1500 Engine Options

In total, there are four powertrains for our Arlington 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 us 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 will be surprised when you view the GMC Sierra 1500 mpg ratings below. They are 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

Test-Drive a 2025 GMC Sierra 1500 in Dallas

We invite you to come and explore one of the 2025 GMC Sierra 1500 models available in our Sewell Buick GMC of Dallas new vehicle inventory. Contact us online to set up a fun test drive of the different Sierra 1500 trims on our Dallas lot. Please ensure you apply for financing before visiting if you are interested in making a potential purchase.