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How big is a Subaru Legacy gas tank?

A Subaru Legacy fuel tank holds about 18.5 gallons (70 liters) in most current North American models, though exact capacity can vary by year, trim, and market.


Understanding tank size helps with planning trips, estimating range, and budgeting fuel. This article outlines the typical capacity for recent Legacy models, notes where numbers can differ, and explains how to verify the exact figure for your vehicle.


Typical capacity for recent Subaru Legacy models


Before listing the standard figure, note that official specifications are the most reliable source. For the Legacy, the commonly published capacity is 18.5 gallons (70 L) across many model years in North America.



  • Fuel tank capacity: 18.5 gallons (70 liters) for most current Legacy models in the United States and Canada. Variations can occur in other markets or for certain trims or special editions; always check the owner's manual or the vehicle’s fuel-filler label for your exact figure.


With this capacity, drivers typically enjoy a range that spans several hundred miles, depending on engine, transmission, driving style, and conditions. Highway driving and efficient fuel economy can push the range toward the upper end of that spectrum, while aggressive driving will shorten it.


Notes by market


North America


Most recent Legacy sedans sold in the United States and Canada list a tank of 18.5 gallons (70 L). This has been consistent across multiple model years, though it's always wise to confirm in your specific owner's manual or the sticker inside the fuel-filler door.


Other regions


Fuel-tank sizes can differ by country or trim in markets outside North America. Some regions may use slightly different capacities due to regulatory, safety, or packaging variations. Always verify the exact figure for your model year and region from official specs.


How to verify the exact capacity for your car


To be certain, check the owner's manual, the fuel-door or trunk sticker, or Subaru's official build sheet for your vehicle. You can also pull the precise spec sheet using your VIN via a dealership or Subaru's official resources.


Summary


In practice, expect around 18.5 gallons (70 liters) for most modern Subaru Legacy models in North America, with small variations by market, trim, or generation. Confirm the exact figure for your specific vehicle to plan trips accurately and optimize fuel usage.

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.