2021 Toyota Tacoma Gas Tank Size

The gas tank size for the 2021 Toyota Tacoma is 21.1 gallons for all trim levels. Click here to learn more!
Written by Mariza Morin
Reviewed by Kathleen Flear
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The gas tank capacity for the 2021 Toyota Tacoma is 21.1 gallons despite engine type or trim level.
When you roll up to the gas station, it’s always helpful to know how much fuel it will take to completely refill your truck’s gas tank. You can usually find this information in your Toyota owner’s manual, but if you’ve misplaced it—no worries. 
That’s why
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How big is the gas tank on a 2021 Toyota Tacoma?

While the average size fuel tank ranges from 12 to 15 gallons, the mighty 2021 Toyota Tacoma truck comes equipped with a larger-than-average fuel tank capacity of 21.1 gallons regardless of engine type or trim level. 
Since 1995, the popular Toyota truck’s gas tank size has always been above average. Though it has shifted over the years from 15.8 to 21.1 gallons depending on trim level and model year.

How to check your 2021 Toyota Tacoma’s gas tank size

Want to determine your Tacoma’s gas tank size? Here are some simple methods to try out on your own. 

Measure the gas tank

Don’t mind doing your own math? Then locate your trusty measuring tape and calculator! Next, all you have to do is simply multiply the width, length, and height of your fuel tank and divide the resulting number by 231—or the cubic inches in a gallon. 

Check your owner’s manual

If you still have your Toyota owner’s manual around, you can conveniently look up the size of your gas tank in the manual’s table of contents or index. Skim each page for “gas tank capacity” or another similar phrase to get an exact measurement. 

Drive till empty, then fill it up

When all else fails, you can drive your Tacoma until your fuel gauge reaches “E” to determine your truck’s fuel tank capacity. Then head over to the closest gas station and refill your tank to get a general measurement of your gas tank size. Just don’t drive on E for too long!

How to save on fuel costs in a Toyota Tacoma

Though the 2021 Toyota Tacoma’s gas tank size is consistent across all trim levels, the Toyota truck’s fuel economy depends on its powertrain. 
For example, a 2WD Tacoma paired with a 2.7-liter four-cylinder engine and automatic transmission received 21 mpg combined for city/highway, while a 4WD Tacoma with a 3.5-liter V6 engine and automatic transmission ends up with a meager 18 mpg combined
The Tacoma is by no means the most fuel-efficient vehicle around, but you can still find ways to save your wallet when it’s time to refill your tank. Save money on gas by following these tips: 
  • Follow a
    car maintenance schedule
    . Taking your truck in for regular maintenance will help keep your vehicle running smoothly and drive down your fuel consumption. 
  • Drive carefully. Tread lightly when you’re behind the wheel. This means taking it easy on your gas pedal (don’t accelerate too harshly!) to conserve your fuel costs. 
  • Avoid idling, especially when it’s cold. Idling tends to drink away at your gasoline for no good reason. So instead of letting your truck run by itself on a cold winter morning, opt to drive your Tacoma around slowly to warm it up.

How to optimize your Tacoma’s insurance coverage

If you’re looking for more ways to save on car-related expenses for your 2021 Toyota Tacoma beyond saving at the pump, then make sure to download
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