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How big is the fuel tank on a 2019 Chevy Silverado?

The standard fuel tank size for most 2019 Silverado 1500 light-duty models is 24 gallons (about 91 liters). Exact capacity can vary by cab/bed configuration and drivetrain, so checking the specific build is the best way to confirm.


Tank sizes by Silverado model and configuration


Because Chevrolet offered multiple body styles and drivetrains in 2019, tank capacities differ across the lineup. The following outlines the typical ranges by major model category.


Chevrolet Silverado 1500 (light-duty)


Most light-duty Silverado 1500 configurations use a 24-gallon fuel tank. This size applies across common engine choices, including the 4.3L V6, 5.3L V8, 6.2L V8, and the 2.7L turbo four-cylinder, regardless of cab or bed length.



  • Gasoline-powered Silverado 1500: typically 24 gallons


In practice, the 24-gallon tank is the standard for the 1500 family, with only rare exceptions depending on specific trim packages or regional specs. For exact figures on a particular truck, reference the window sticker or the official spec sheet for that build.


Chevrolet Silverado 2500HD / 3500HD (heavy-duty)


The heavier-duty Silverado 2500HD and 3500HD models use a larger tank to accommodate longer towing and payload ranges. The gasoline-powered heavy-duty variants typically feature a larger fuel tank, around 36 gallons (about 136 liters). Diesel variants and specific configurations can vary, so it’s important to verify the exact capacity for a given truck.



  • Gasoline engines (2500HD/3500HD): approximately 36 gallons


As with the light-duty models, exact tank size can shift by cab, bed, and drivetrain. If you’re shopping or using a used-vehicle listing, check the VIN-specific spec sheet to confirm the tank capacity for that exact configuration.


What this means for you


In practical terms, most 2019 Silverado buyers are looking at a 24-gallon tank if they’re focused on the light-duty 1500. Those needing longer range, especially for work and heavy-haul duties, may encounter the larger 36-gallon tanks in the heavy-duty 2500HD/3500HD line. Always verify the exact capacity for your exact cab/bed/engine choice when budgeting fuel costs or planning trips.


Summary


Overall, the 2019 Chevy Silverado’s fuel tank size depends on the model. The majority of light-duty Silverado 1500 trucks use a 24-gallon tank, while heavy-duty 2500HD/3500HD configurations commonly use a larger 36-gallon tank. For precise figures, consult the vehicle’s build sheet or window sticker for the exact configuration you’re considering.

How much gas does a 2019 Silverado hold?


456.0/528.0 mi. 24.0 gal.



What Silverado years to stay away from?


2011 and 2014 Models
Both the 2011 and 2014 model years had several issues, but the 2014 Chevy Silverado 1500 is the worst model year. Transmission failures, engine problems, cooling issues, stalling, and a noisy engine plague both model years, but the 2014 earned far more complaints from owners.



How many gallons does a Silverado 5.3 hold?


Regular Cab: 28.3 gallons. Crew Cab: 24 gallons.



How big is the gas tank on a 2019 Chevy Silverado 1500?


The 2019 Chevrolet Silverado 1500 has a fuel tank size of approximately 24 gallons for most models, with some configurations like the Double Cab or LD models having a slightly larger capacity of about 26 gallons. It is always best to verify the specific size for your individual truck.
 

  • Standard tank: Around 24 gallons for most models. 
  • Larger option: Approximately 26 gallons for certain configurations like the Double Cab or LD models. 


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.