How many gallons of gas can a Chevy Avalanche hold?
The Chevy Avalanche typically carries a 34-gallon fuel tank, providing a substantial range between fills. Some early or base configurations may use a smaller tank, and exact capacity can vary by model year and drivetrain; the Avalanche was produced from 2002 through 2013.
To understand what this means for your vehicle, this article outlines the typical capacity and how to verify the exact figure for a given truck.
Capacity overview
Generational snapshot
From its first generation (2002–2006) to the second generation (2007–2013), the Avalanche generally used the standard 34-gallon fuel tank, though slight variations can occur based on trim and regional specifications.
Below is a quick snapshot of the commonly cited tank sizes for the Avalanche across its production years. A single model can vary slightly by configuration, so check your specific vehicle for certainty.
- 34 gallons (128 liters) — Most Chevrolet Avalanche models from 2002 to 2013 use the standard 34-gallon fuel tank.
- About 31 gallons (approximately) — Some early or base configurations may employ a smaller tank depending on trim and regional specifications.
In practice, most drivers can expect roughly 34 gallons, with small variances by year and configuration.
Verifying the exact capacity for your vehicle
Because tank size can differ by trim, drivetrain, and production run, the surest way to know your Avalanche's exact capacity is to consult the vehicle's fuel filler door label or the owner's manual. A dealership or GM's online VIN lookup can also confirm the figure.
Summary
Across its production run, the Chevrolet Avalanche generally featured a 34-gallon fuel tank, with minor variations in a few configurations. For precise numbers, refer to the door label or the owner's manual for your specific vehicle.
Is 16 gallons of gas a full tank?
Most standard passenger cars hold between 12 to 16 gallons of gas. However, this can vary based on the size and type of the vehicle. Compact cars might have smaller tanks, while full-sized sedans could offer a larger capacity.
How many gallons are in a Chevy Avalanche?
Fuel & MPG
372/465 mi. 31 gal.
How big is a Chevy Avalanche gas tank?
31.0 gal
Fuel & MPG
465.0/651.0 mi. 31.0 gal.
How many gallons of gas does a 2004 Chevy Avalanche hold?
The 2004 Chevrolet Avalanche has a 31-gallon fuel tank capacity. Some sources mention a different size for the 2500 model, with a 37-gallon tank.
- 31 gallons: This is the standard capacity for the Avalanche 1500 model.
- 37 gallons: This capacity may be associated with the 2500 model, according to some sources.
