Being familiar with your gas tank capacity is helpful for a handful of reasons, but it’s especially useful when you’re figuring out your gas budget or planning out road trip stops. While your owner’s manual will outline your 2019 Altima’s fuel capacity, you don’t need it when

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How big is the gas tank on a 2019 Nissan Altima?

As Nissan’s best-selling vehicle, the Altima has more than 20 models to pick from—and dozens of trims and configurations on top of that. But even across so many options, you’ll only find two sizes of gas tanks on a 2019 Nissan Altima.

For the 2019 model year, the Altima’s gas tank holds from 16 to 16.2 gallons of fuel, depending on the drivetrain. The standard front-wheel drive Altimas have a capacity of 16.2 gallons while all-wheel drive options hold 16 gallons.

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How to check your 2019 Nissan Altima’s gas tank size

If you’re a hands-on type of person, you may want to verify your gas tank size yourself—and here are a few ways to do it.

Measure the gas tank

To find out the exact volume of your Altima’s gas tank, all you need is a tape measure and a calculator. Multiply the tank’s width, length, and height together, then divide the number by 231—the number of cubic inches in a gallon. The result is your gas tank size in gallons.

Check your owner’s manual

Want to get the most accurate number without math? Just grab your Altima’s owner’s manual. Flip it open to the table of contents or index and skim for “fuel tank capacity” or something similar.

Drive till empty, then fill it up

If you’ve lost track of your owner’s manual and don’t have any tape measures lying around, you can always just drive your Altima until your fuel gauge hits “E” before filling up. Keep an eye on the gas pump to see approximately how many gallons your tank can hold. Just make sure you don’t cruise on empty for too long or you’ll risk damaging your Altima!

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How far can you drive on an empty tank of gas?

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How to save on fuel costs in a Nissan Altima

The 2019 Nissan Altima earns an average combined 29 mpg, but this number varies depending on trim and drivetrain. This is pretty good fuel economy for an average sedan, but you could always save money on gas by implementing a few good driving habits:

Drive cautiously. Behaviors like quick acceleration, regular speeding, or sudden braking will all burn more gas in your Altima and decrease your fuel economy.

Stay on top of maintenance. Keeping up with your Altima’s regular maintenance schedule will prevent buildup and wear-and-tear on your engine, optimizing your gas mileage.

Try not to idle—especially in the winter. Idling may be the most popular method of warming your car on cold mornings, but it also wastes gas. You can drive your Altima gently to warm it up instead.

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How to optimize your Altima’s insurance coverage

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