Kia Telluride Gas Tank Size

Your Kia Telluride’s gas tank can hold either 18.8 gallons of fuel. And we’ve got some great tips on how to max out its fuel economy!
Written by Natalie Todoroff
Edited by Claire Beaney
The 2023 Kia Telluride has a gas tank size of 18.75 gallons. This SUV combines luxury trappings with extremely capable handling ability. 
When Kia first released the Telluride in 2020, car critics were foaming at the mouth in anticipation. In addition to being the largest vehicle ever made by Kia, the Telluride also boasts a wide range of impressive features that make this car attractive to potential buyers. And, if you’re lucky enough to already be a Kia Telluride owner, knowing the size of your gas tank is essential.
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How big is the gas tank on a Kia Telluride?

The Kia Telluride has an 18.75-gallon gas tank across all 2023 trim levels:
  • LX
  • S
  • EX
  • SX
  • SX Prestige
  • X-Line EX
  • X-Line SX
  • X-Line SX Prestige
  • X-Pro SX
  • X-Pro SX Prestige

How to check your Kia Telluride’s gas tank size 

You don’t just have to take our word for it, though. There are plenty of ways to find out your tank’s size right from your garage! 

Measure the tank

For this method, all you’ll need is a tape measure and a calculator (or, if you’re keen on mental math, you can forgo it). Measure the length, width, and height of your gas tank in inches and divide the result by 231, the number of cubic inches in a gallon. The result will tell you how many gallons your tank can hold. 

Check your owner’s manual 

Your owner’s manual of chock-full of handy information, including the size of your gas tank. Flip to the back and scan for “fuel tank size” or other similar key phrases. 

Drive till empty, then fill it back up

If you’ve misplaced your owner’s manual and measuring tape, and are maybe feeling up to living a hair’s breadth closer to the edge, you can find out your tank size the old-fashioned way. Drive your Kia Telluride until the fuel gauge hits “E,” then take it to the gas station to fill it back up. 
While this won’t give an exact measurement, it can give you a pretty good idea about the volume of your tank. Just don’t drive around for too long on an empty tank! 

How to save on Kia Telluride fuel costs 

Although it’s all in all a great SUV, fuel efficiency isn’t necessarily the Kia Telluride’s pièce de résistance. The Telluride only gets 19 mpg in the city and 24 mpg on the highway.
And, while that doesn’t necessarily make it a gas guzzler, it doesn’t exactly mean it has excellent fuel economy either. Follow these tips to help cut back on the amount you spend at the gas pump:
  • Have a
    routine maintenance schedule
    : If you let an issue fester in your Telluride’s engine, it can seriously impact its fuel economy.  
  • Drive cautiously: Accelerating too quickly and too frequently can gobble up your fuel. Keeping a lighter foot on the gas pedal well helps keep your fuel consumption at a lower level. 
  • Avoid idling, especially in cold weather. Idling to warm up your car uses tons of fuel—and you’re not even moving! In cold winter months, it’s smarter to warm up your Telluride by driving it around instead of letting it idle in your driveway. 
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