2014 Kia Soul Gas Tank Size

When planning a trip from point A to point B, it helps to know your 2014 Kia Soul’s gas tank size, which is about 14.3 gallons.
Written by Melanie Krieps Mergen
Reviewed by Jessica Barrett
While some vehicles within the same model year can have various gas tank sizes depending on specific configurations, the 2014 Kia Soul has a 14.3-gallon gas tank across all engine options.
When you’re heading out on the road, you’ll need to know if your Kia Soul has enough gas to make it or if you are due for a fuel up along the way. Knowing your vehicle’s gas tank size and average fuel economy will undoubtedly be helpful.
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How big is the gas tank on a 2014 Kia Soul?

Gas tank sizes in certain vehicles can vary based on model years, engine types, and trim levels.
As a second-generation Soul, the 2014 Kia Soul has a 14.3-gallon gas tank and the gas tank size is the same across all trim levels and engine options.
The Kia Soul’s first-generation vehicles’ gas tanks were a bit smaller, with a capacity of about 12.7 gallons, so you probably don’t have to refill your gas tank as often as you would with an older model year.

How to check your 2014 Kia Soul’s gas tank size

Want to verify your Kia Soul’s—or any vehicle’s—gas tank size yourself? Here are a few ways to do just that.

Measure the gas tank

There’s an easy way to figure out the capacity of your gas tank yourself. You’ll just need to grab a calculator and a measuring tape.
Measure your gas tank’s height, length, and width, then multiply your results. Then, divide that number by 231 (the number of cubic inches in a gallon), and you’ll have your result!

Check your owner’s manual

Another easy way to verify your gas tank’s fuel capacity? Pull out your owner’s manual and look at the specifications section.

Drive till empty, then fill it up

For a less exact measurement with a little more risk, you could drive your Kia Soul until the fuel gauge reaches “E” and your fuel indicator light comes on. Then, when you head to the gas station, you can note how many gallons of gas it takes to fill up your car. You could also do the same thing at half a tank, then double the number of gallons it took to refill your tank.
While probably not exact, this could give you a rough but close estimate of your gas tank’s fuel capacity.
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How to save on fuel costs in a Kia Soul

The 2014 Kia Soul has a combined city/highway fuel economy of about 26 mpg. That means driving 100 miles could use about 3.8 gallons of gasoline; the same goes for all trim levels. 
The 2014 Kia Soul’s highway fuel economy is 30 mpg, and its city fuel economy for most engine types is 24 mpg, with the non-ECO 4-cylinder, 2.0-liter engine being a slight exception at 23 mpg.
That’s pretty solid by today’s standards, but there are extra steps you can take to get the most out of your Kia Soul’s gas mileage:
  • Stay up-to-date with
    routine maintenance
    . Keeping your Soul well-maintained helps it continue to perform at its most efficient level.
  • Drive carefully. You don’t have to step on the gas pedal with a lead foot. Accelerating more gradually wastes less gas and will help you improve your overall fuel economy.
  • Avoid idling. Not only does idling cause more wear and tear on an engine over time (even more so than restarting your vehicle), it also uses up gas that ends up getting you nowhere. In cold weather, driving your car more slowly for the first few minutes can be more effective than letting it idle to warm up.

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