Did you know that your vehicle’s fuel tank capacity can vary depending on its trim? Such is the case for the 2018 Dodge Journey, which is fitted with different-sized gas tanks depending on its model specifications.

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How big is the gas tank on a 2018 Dodge Journey?

The 2018 Dodge Journey comes in four different trim levels, and each can be equipped with two different powertrains. Your Journey’s gas tank size will be either 20.5 or 21.1 gallons, depending on its trim and powertrain.

Here are all of your options:

SE (2.4-liter 4-cylinder engine): 20.5 gallons

SE (3.6-liter V6 engine): 21.1 gallons

SXT

(2.4-liter 4-cylinder engine): 20.5 gallons

SXT (3.6-liter V6 engine): 21.1 gallons

Crossroad

(2.4-liter 4-cylinder engine): 20.5 gallons

Crossroad (3.6-liter V6 engine): 21.1 gallons

(3.6-liter V6 Flex-Fuel Engine): 20.5 gallons

GT (3.6-liter V6 engine): 21.2 gallons

How to check your 2018 Dodge Journey’s gas tank size

If you’re not exactly sure what your Dodge Journey’s trim level or powertrain is, don’t worry—there are still a few ways to figure out what your Dodge Journey fuel tank capacity is.

Measure the gas tank

If you’re math savvy, you can just multiply the width, length, and height of the tank and divide the result by 231 (that’s the number of cubic inches in a gallon). The answer is the volume of your tank in gallons.

Check your owner’s manual

Every Dodge Journey comes with an owner’s manual that contains all of the necessary information you could ever need about your SUV—including your gas tank’s size. Look for phrases like “fuel tank capacity” to find the spec you’re looking for.

Drive till empty, then fill it up

Feeling lucky? Drive around until your gas tank hits empty and then quickly head to the nearest gas station. Fill up your tank completely, and check the fuel pump for a rough estimation of your tank’s capacity.

MORE:

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

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How to save on fuel costs in a Dodge Journey

The 2018 Journey’s most fuel-efficient trims have a fuel economy rating of up to 19 city/25 highway mpg, so it’s not exactly great on gas.

Fortunately, there are a few ways you can be sure not to waste unnecessary fuel:

Stay on top of your

maintenance schedule

. Regular oil changes,

tire rotations

, and other types of standard maintenance are essential to ensure that wear and tear isn’t causing your fuel economy to deplete.

Drive carefully. Harsh acceleration burns unnecessary gas—ease up on the gas pedal!

Avoid idling. Sitting in your car with your engine running burns gas even though your car isn’t moving! Always turn your engine off when parked.

How to optimize your Journey’s insurance coverage

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