How big is the gas tank on a 5.3 Silverado?
Typically about 24 gallons (roughly 90–92 liters). However, exact capacity can vary by model year and body configuration, so check your specific truck to be sure.
Chevrolet’s published specs for Silverado 1500 models equipped with the 5.3L EcoTec3 V8 generally list a 24-gallon fuel tank as the standard size. Some years or configurations may differ slightly due to packaging or optional equipment, so use the methods below to confirm for your particular vehicle.
Typical tank size for the 5.3L Silverado 1500
Before looking up exact figures, note that the following reflects the common size observed across most 5.3L Silverado 1500 configurations.
- Gas tank capacity: 24 gallons (approximately 90–91 liters) in the majority of 5.3L Silverado 1500 models.
In practice, you should expect roughly a 24-gallon tank, with slight variations possible depending on year, cab style (Regular, Double, Crew), bed length, and any optional equipment. Always verify against your specific vehicle’s specifications.
How to verify the exact capacity for your truck
To confirm the precise fuel-tank capacity for your Silverado 5.3, use these reliable checks.
- Check the driver’s door jamb placard for the official fuel capacity listed by Chevrolet for your exact configuration.
- Consult the owner’s manual or the official Chevrolet spec sheet for your year and VIN.
- Ask a Chevrolet dealer or contact Chevy customer support with your VIN to obtain the exact specification.
- If you have access to your vehicle’s build sheet or window sticker, review the fuel-tank specification there.
These steps will give you the precise capacity for your particular truck, since production changes over different model years and configurations can alter the tank size.
Summary
For the Chevrolet Silverado 1500 equipped with the 5.3L V8, the typical fuel tank is 24 gallons. Exact capacity can vary by model year, cab/bed configuration, and optional equipment, so verifying with the door placard, owner’s manual, or dealer is recommended to know your vehicle’s precise tank size.
What truck has the biggest gas tank?
The truck with the largest gas tank is typically the Ford Super Duty 450, which can have a 48-gallon (about 181-182 liter) tank, though this is an optional, large-capacity tank. Other heavy-duty trucks like the Toyota Land Cruiser 79 Pick-Up have large tanks, but the Ford Super Duty 450 holds the record for standard light-duty trucks.
Trucks with the largest gas tanks
- Ford Super Duty 450: Can be equipped with an optional 48-gallon (approx. 181-182 liter) tank.
- Toyota Land Cruiser 79 Pick-Up: Has a large 180-liter (approx. 47.55 gallon) tank, but is not a standard option in all markets.
- Ford F-150 Raptor: Comes with a 36-gallon (approx. 136 liter) tank, which is the largest available on most modern trucks.
- Chevrolet Silverado 3500HD: Offers a 36-gallon (approx. 136 liter) tank, which is among the largest in its class.
Factors to consider
- Truck Class: Heavy-duty trucks like the Ford Super Duty have larger tanks than light-duty trucks like the F-150.
- Engine and Driveline Options: The gas tank size can vary depending on the specific engine, drivetrain (4WD or RWD), and cab size you choose.
- Optional vs. Standard: The largest tanks are often optional upgrades, so they may not come standard on every truck.
- Custom vs. Standard: While Ford Super Duty trucks can come with a 48-gallon tank, many other trucks have larger optional tanks available, such as the Ford F-150.
How big is the gas tank on a Silverado 1500?
The Chevy Silverado 1500 gas tank size varies by cab style, with the Regular Cab having a 28.3-gallon tank and the Double Cab and Crew Cab having a 24-gallon tank. The specific tank size depends on the configuration you choose, so it's best to confirm the exact capacity for your model year and cab type.
- Regular Cab: 28.3 gallons
- Double Cab: 24 gallons
- Crew Cab: 24 gallons
How many miles per gallon does a 5.3 Chevy 1500 get?
16/21/18 MPG
Chevy Silverado 1500 MPG by Engine
5.3-Liter EcoTec3 V-8 (2WD): 355 horsepower and 383 pound-feet of torque / 10-speed automatic transmission / up to an EPA-estimated 16/21/18 MPG (City/Highway/Combined)
How many gallons does a 5.3 Silverado hold?
Regular Cab: 28.3 gallons. Crew Cab: 24 gallons.
