GMC Sierra 1500 Performance
Explore the engine options and performance specs of the GMC Sierra 1500 pickup truck. Then, experience the rugged athleticism of the Sierra 1500 with a test drive!
2026
From daily driving to heavy-duty hauling, there’s precious little that the 2026 GMC Sierra 1500 can’t do for the Phoenix driver. Available in eight unique trims from the baseline Pro to the off-road-ready AT4X and the mighty Denali Ultimate, and powered by no fewer than four engines, the 2026 GMC Sierra 1500 lineup is as formidable as it is versatile. Learn more about the specs of the GMC Sierra 1500 with Liberty GMC, Inc. here, then visit our dealership in Peoria to tour our inventory.
What Engines Are Available For The 2026 GMC Sierra 1500?
The 2026 GMC Sierra 1500 lineup features four engine options, including the torque-heavy, diesel-powered 3.0L Duramax® engine. Review your engine options below, and contact us if you have any questions:
2.7L 4-Cylinder TurboMax™
- 8-speed automatic transmission
- 310 hp
- 430 lb-ft of torque
- Available Max Tow Up To 9,400 pounds
5.3L EcoTec3 V8
- 10-speed automatic transmission
- 355 hp
- 383 lb-ft of torque
- Available Max Tow Up To 11,200 pounds
6.2L EcoTec3 V8
- 10-speed automatic transmission
- 420 hp
- 460 lb-ft of torque
- Available Max Tow Up To 13,100 pounds
Duramax® 3.0L 6-Cylinder Turbo Diesel
- 10-speed automatic transmission
- 305 hp
- 495 lb-ft of torque
- Available Max Tow Up To 13,300 pounds
If you plan to lease or finance a 2026 GMC Sierra 1500 to do heavy-duty towing, check out our comprehensive 2026 Sierra 1500 towing guide for more information. You can also drop by and speak with our service technicians to get a gauge on the capabilities of this powerful lineup.
How Fuel-Efficient Is The 2026 GMC Sierra 1500?
The fuel efficiency of the 2026 GMC Sierra 1500 varies based on engine and drivetrain. Here’s a quick breakdown of the GMC Sierra 1500 mpg ratings:
2.7L 4-Cylinder TurboMax™
- Up to 18 city / 21 highway mpg
5.3L EcoTec3 V8
- Up to 16 city / 20 highway mpg
6.2L EcoTec3 V8
- Up to 15 city / 19 highway mpg
Duramax® 3.0L 6-Cylinder Turbo Diesel
- Up to 21 city / 24 highway mpg
Generally, 2WD variants of the 2026 Sierra GMC 1500 get slightly better fuel mileage than their 4WD counterparts due to several factors. These include weight (4WD systems are generally heavier) and the fact that more complex 4WD systems have more points of contact within the drivetrain, which creates friction and ultimately reduces the vehicle’s overall fuel efficiency. To learn more about the fuel economy of the 2026 GMC Sierra 1500, visit our dealership near Tempe or call us at %%di_phone_number%% to speak with our knowledgeable associates.
Explore The 2026 GMC Sierra 1500 With Liberty GMC, Inc.
Whether it’s for daily driving or for heavy-duty hauling, the versatile 2026 GMC Sierra 1500 lineup is fully capable of meeting your needs and more. Visit our dealership near Glendale today for a test drive and to learn about the financial incentives we offer.
2025
No matter where life takes you in Glendale or Phoenix, there’s a GMC you can trust to get you there safely. With its bold profile, powerful engine options, and generous towing capacity, the 2025 GMC Sierra 1500 is sure to impress. Once you slide behind the wheel of this world-class pickup, you’ll be amazed at how versatile and capable this vehicle is. Want to know more about the GMC Sierra 1500 towing capacity? We have all the information you’re looking for in our detailed guide below. Feel free to contact us with any questions or consult our manufacturer research for more information. We look forward to working with you!
2025 GMC Sierra 1500 Engine Options
In total, there are four powertrains for our Tempe 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 Specs in Person at Liberty GMC, Inc.
If you’re ready to explore the 2025 GMC Sierra 1500 specs in person, then it’s time the take the next step. When you’re ready, call (602) 714-3106 today to schedule a test drive! If you have any questions about our available models, don’t hesitate to reach out to our Peoria team for more information. Our team is here to do the heavy lifting. Visit Liberty GMC, Inc. today to get started, or value your trade and apply for financing online from home.
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