2025 Chevy Silverado 1500 Engine Specs

Choose between four dynamic options under the hood of the 2025 Chevy Silverado 1500. The standard 2.7L TurboMax™ engine starts the lineup off strong, and two gas V8s offer classic pickup truck muscle. Enhanced fuel efficiency and torque set the Duramax® turbo-diesel inline six-cylinder (I6) apart from its gas counterparts.

See the Silverado 1500 performance specs in the accompanying chart.

2025 Chevy Silverado 1500 Engine Differences

While the specs tell part of the story, there’s more that sets the 2025 Chevy Silverado 1500 engines apart. See the differences and standout characteristics below to help decide which one’s right for you.

2.7L TurboMax™

• Notable Characteristics: Top engine for payload and gas fuel economy
• Trim Availability: WT, Custom, Custom Trail Boss, LT, RST, LT Trail Boss
• Transmission: Eight-speed automatic
• Drivetrain: 2WD / 4WD
• Cylinder Deactivation Technology: Active Fuel Management

Blending power and efficiency, the 2.7L TurboMax engine delivers potent, turbocharged performance that’s ready to impress. As the standard engine on several of the initial trim options in the Silverado 1500 lineup, the TurboMax sets the standard for gas fuel efficiency among the other engines. Plus, you’ll achieve top payload hauling capacity using the TurboMax. It’s also the only engine paired with an eight-speed automatic transmission.

5.3L V8

• Notable Characteristics: Top engine for horsepower output and towing available for base trim models
• Trim Availability: WT, Custom Trail Boss, LT, RST, LT Trail Boss, LTZ, High Country
• Transmission: Ten-speed automatic
• Drivetrain: 2WD / 4WD
• Cylinder Deactivation Technology: Dynamic Fuel Management

Available across much of the trim lineup, the 5.3L V8 engine offers robust power for a wide range of applications. If you’re considering the entry-level WT trim, it’ll provide the best horsepower and towing capacity available to you. Unlike the TurboMax, the 5.3L V8 is paired with a ten-speed automatic transmission and can be equipped on top-tier models like the High Country.

3.0L Duramax® Turbo Diesel I6

• Notable Characteristics: Top engine for fuel economy, torque output, and towing capacity
• Trim Availability: Custom Trail Boss, LT, RST, LT Trail Boss, LTZ, ZR2, High Country
• Transmission: Ten-speed automatic
• Drivetrain: 2WD / 4WD
• Cylinder Deactivation Technology: N/A

When you need serious brawn for big jobs, look no further than the 3.0L Duramax turbo diesel I6 engine. As a diesel, it offers the highest fuel economy estimates in the Silverado 1500 lineup, as well as mountains of low-end torque for pulling away with your heaviest trailers. Equip this optional engine with a wide range of trims, from the mid-range LT to the top-of-the-line ZR2 and High Country.

6.2L V8

• Notable Characteristics: Top engine for horsepower output
• Trim Availability: RST, LT Trail Boss, LTZ, ZR2, High Country
• Transmission: Ten-speed automatic
• Drivetrain: 4WD
• Cylinder Deactivation Technology: Dynamic Fuel Management

As the biggest engine in the Silverado 1500, the 6.2L V8 reigns supreme if you’re looking for unyielding power. Leveraging its top-notch displacement to satisfying effect, the 6.2L gas engine makes 420 horsepower and takes a very close second to the Duramax engine for towing. Find the big V8 available on top-end trim levels like the LTZ and High Country exclusively with four-wheel drive (4WD).

2025 Chevy Silverado 1500 Towing & Payload Capacity Chart

Harness the unyielding power of your favorite 2025 Chevy Silverado 1500 engine to tackle all your biggest towing and hauling jobs.

The maximum payload capacity for the Silverado 1500 is 2,260 pounds with the TurboMax engine paired with a regular cab, long bed, 2WD configuration. The maximum towing capacity with the Silverado 1500 is 13,300 pounds when it’s equipped with the Duramax engine in a crew cab, short bed configuration with two-wheel drive (2WD) and the optional Max Trailering Package.

See the maximum towing and payload configurations available for the Silverado 1500, as well as the required configurations, in the following chart.

Learn More About the Chevy Silverado 1500

Finding the right engine is only one part of shopping for a new truck. Learn more about everything else the Silverado 1500 has to offer, including technology and exterior colors, with our model review. See the standard equipment in each model option with our Silverado 1500 trims page.