What Is the Average Size of an Automobile Gas Tank?

by Meg Michelle
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The amount of gas a car's tank can hold is an important piece of knowledge for every car owner or buyer. It helps you calculate gas mileage for a long trip or simply choose which car is best for you.

Compact Cars

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The 2010 models of compact cars have a wide range of tank sizes. The Mazda 3 can have a tank as large as 15.9 gallons or as small as 14.9, depending on the model. The Honda Civic tank holds 13.2 gallons. Other common cars include the Hyundai Elantra, which is listed at 14 gallons, and the Ford Focus, which has a 13.5-gallon tank.


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The most common size of a 2010 sedan tank is 18.5 gallons. According to the manufacturer's websites, the Mazda 6, Hyundai Sonata, and Honda Accord all have an 18.5 gallon tank. Some sedan tanks are slightly larger, like the Ford Taurus at 19 gallon.


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Because SUVs come in so many different sizes, it is difficult to assume an average size of a gas tank. Even within the same company, 2010 SUV gas tanks can vary greatly. For example, Ford's small SUV, the Escape, holds 16.5 gallons, but its much large Expedition holds from 28 to 33.5 gallons, depending on the model.


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Like those in SUVs, the gas tanks on 2010 trucks vary widely depending on the size of the vehicle, though the industry standard is at around 26 gallons. Both the Ford F-150 and Chevy Silverado are right on the 26-gallon mark. Ford Super Duty truck tanks range from 26 to 37.5 gallons, and Dodge Ram trucks varies from 34 to 38 gallons.

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