2019 Toyota 4Runner Gas Tank Size

A 2019 Toyota 4Runner has a gas tank with a fuel capacity of 23 gallons.
Written by Cameron Thiessen
Reviewed by Jessica Barrett
Updated on Oct 27, 2022
The 2019 Toyota 4Runner’s gas tank holds a maximum of 23 gallons.
While there were multiple trim levels for the 2019 4Runner, every 4Runner from that year was equipped with the same 4.0-liter V6 engine. It gets a combined fuel economy of 18 mpg, meaning you can drive an average of 414 miles on a single tank.
Curious about the size of your Toyota 4Runner’s gas tank? Then this is the article for you!
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How big is the gas tank on a 2019 Toyota 4Runner?

A 2019 Toyota 4Runner’s gas tank is big enough to hold up to 23 gallons of gasoline, regardless of the specific trim or extras!
Whether you have a 4Runner SR5, SR5 Premium, TRD Off-Road, TRD Off-Road Premium, Limited, or TRD Pro, you can rest assured that your gas tank holds a capacity of 23 gallons.

How to check your 2019 Toyota 4Runner’s gas tank size

Don’t believe us? If you want to double-check our math, try one of these methods for checking your 4Runner’s gas tank size on your own.

Check your owner’s manual

This is a great one! There’s so much information in your owner’s manual—things like oil capacity, maintenance schedules, and of course gas tank size. A quick browse through the Table of Contents and you should have your answer in no time!

Measure the gas tank

You don’t have to be Leonhard Euler to do a little bit of math. If you want a simple way to approximate your car’s gas tank size, just measure the length, width, and height of the gas tank using a measuring tape, multiply those numbers together, and you’ll have the volume of the tank in cubic inches.
To get gallons, our preferred metric for gasoline volume, just divide that answer by 231, since there are that many cubic inches in a single gallon. Your calculation should look something like this:
  • W x L x H = V(cu in)
  • V(cu in) / 231 cu in = V(gal)
Of course, you might be one of those good folks who are, by no fault of their own, a bit calculator-averse. But don’t worry! We have other tricks up our sleeves.

Drive till empty, then fill it up

If you lost your owner’s manual and are calculator-averse, we’ve got one more option for you. 
All you have to do to get a fairly accurate idea of your 2019 Toyota 4Runner’s gas tank size is to just wait until your gas tank is running on empty, then fill it all the way up! You’ll be able to drive a bit longer on fuel reserves, and all you’ll have to do to get your answer is look at the little screen on the gas pump after you’ve filled your tank. 
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How to save on fuel costs in a 2019 Toyota 4Runner

Unfortunately, the 2019 Toyota 4Runner isn’t one of the most fuel-efficient vehicles you can drive. It gets 17 mpg in the city and only 21 mpg on the highway. But there are some ways that you can change your habits to save more fuel as you drive! Here’s how to do just that:
  • Keep up with maintenance. The best way to optimize fuel efficiency is to keep up with your regular maintenance schedule and always make sure you’re not putting added wear-and-tear on your engine.
  • Drive carefully. A really simple way to save gas is to not push the gas pedal down so hard! Try driving conservatively rather than flooring it every time the light turns green.
  • Avoid idling. So you turned your 4Runner on and then forgot that you had to do something for 5 minutes inside before leaving? We highly recommend you turn that engine back off so you don’t waste gas!

How to optimize your 2019 4Runner insurance coverage

It’s helpful to know how much gasoline you can fit in your tank because it allows you to plan long trips and budget gas optimally. But if you’re looking for a minimal-effort way to save even more money on your transportation costs, you should try shopping for your
Toyota 4Runner car insurance
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