2015 Kia Soul Gas Tank Size

When planning a road trip, it’s useful to know your 2015 Kia Soul’s gas tank size, which is about 14.3 gallons.
Written by Melanie Krieps Mergen
Reviewed by Jessica Barrett
When planning a trip, it helps to know how often you’ll need to stop for gas—in which case, you’ll want to know your Kia Soul’s gas tank size. The 2015 Kia Soul has a 14.3-gallon gas tank across all engine options.
It’s easy to rely on your gas gauge to know when it’s time to refuel. However, if you’re trying to plan a road trip or want to monitor your vehicle expenses more closely, it helps to know how much gas your Kia Soul is using—and how often you have to refill its tank.
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How big is the gas tank on a 2015 Kia Soul?

A vehicle’s gas tank size can sometimes vary, even within the same make and model year, based on factors like engine type or trim level.
The 2015 Kia Soul is a member of the second generation of its model, and like the other model years in its generation, the 2015 Kia Soul has a 14.3-gallon gas tank. In addition, 2015 Souls have the same gas tank size across trim levels and engine options.
The 2015 Kia Soul’s gas tank size is somewhat larger than first-generation Souls’ gas tanks, which have a fuel capacity of about 12.7 gallons, meaning your 2015 Kia Soul can take you a bit farther than previous model years in one go.

How to check your 2015 Kia Soul’s gas tank size

When it comes to finding out the gas tank size of your Kia Soul for yourself—or any vehicle, for that matter—these are just a few ways to get the answers you’re looking for. 

Check your owner’s manual

Perhaps the easiest way to find a gas tank’s fuel capacity is by referring to your owner’s manual—for your 2015 Kia Soul, you should be able to find this in the specifications section at the back of the manual. 

Measure the gas tank

Another option? Use some good, old-fashioned math. Using a ruler or measuring tape, measure your gas tank's height, length, and width in inches and multiply those numbers. Then, divide the answer by 231—which is the number of cubic inches in a gallon. 
That’s your gas tank’s fuel capacity in gallons!

Drive till empty, then fill it up

If you’re up for it, you could wait for your gas gauge to near “E”, then head to the gas station to refill and see how many gallons it takes. Or, for a little less risk, you could use this same method when your gas gauge reads half full and just double the number of gallons it takes to fill up.  
It won’t be an exact science, but it should give you a rough idea of how much fuel your Kia Soul can hold. 
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How to save on fuel costs in a Kia Soul

The gas-powered 2015 Kia Souls have a combined city/highway gas mileage of about 26 mpg. That means you could expect to use about 3.8 gallons of gasoline if you  drove 100 miles.
The 2015 Kia Soul’s highway fuel economy is 30 mpg. The 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 said, a number of factors can affect your 2015 Kia Soul’s actual gas mileage from day to day, from road conditions to your driving style, which affects how much you’re paying at the pump. Here are just a few things you can do to get the most out of your Kia Soul’s fuel economy:
  • Stay current with
    routine maintenance
    . Wear and tear over time will affect your vehicle’s gas mileage, but keeping your Soul well-maintained helps it continue to perform at the most efficient level possible.
  • Drive mindfully. Heavy accelerating wastes more gas, so ease up on that pedal and accelerate more gradually if you want to improve your fuel economy.
  • Avoid excessive idling. Extended idling can cause wear and tear on an engine, which will decrease your fuel economy. Simply restarting your vehicle is less harmful. Also, unless temperatures are below 0 degrees Fahrenheit, driving your car more slowly for the first few minutes is enough to warm your engine. 

How to optimize your Kia Soul’s insurance coverage

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