2020 Honda Civic Gas Tank Size

The Honda Civic’s fuel efficiency helps make up for its measly 12.4-gallon gas tank capacity.
Written by Sean Boehme
Reviewed by Jessica Barrett
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The 2020
Honda Civic
has a fuel capacity of just 12.4 gallons. Luckily, the sedan’s stellar fuel economy helps to make up for its fairly small gas tank. 
Nobody likes making excessive trips to the gas station, especially when gas prices are high. Having a car with a larger fuel capacity means you don’t need to fill up quite as often, assuming your car gets decent mileage.
Curious how big the gas tank is on a 2020 Honda Civic?
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How big is the gas tank on a 2020 Honda Civic?

The
Honda
Civic is mostly known as a reliable commuter car with great fuel efficiency and a comfortable interior. It is also highly customizable and even a new or gently used model won’t break the bank.
Whatever your reason for buying a 2020 Honda Civic, you can expect your car to come with a 12.4-gallon gas tank. Unlike other modern cars, the Civic’s tank does not vary by
trim level
.
Filling up a Honda Civic won’t hurt your wallet as much as some other sedans due to its small tank. The Honda Civic’s gas type is regular, making it even more affordable.

How does the Honda Civic’s gas tank stack up?

If the 2020 Honda Civic’s gas tank sounds small, that’s because it is. Larger sedans often have gas tanks with 14-plus gallon capacities. It's not unheard of for SUVs to have 20-gallon tanks.
With that said, the Honda Civic’s tank won’t seem that small when you compare it to its direct competitors. The 2020
Toyota Corolla
, for example, has a 13.2-gallon fuel capacity. The 2020
Ford Focus
has an identical 12.4-gallon gas tank size.

2020 Honda Civic fuel economy

Civic owners tend to have an easy time forgiving the car’s lack lusterness because of its exceptional fuel economy. Honda Civic gas mileage is some of the best you’ll find outside of hybrids.
The 2020 Civic gets a combined 35 mpg according to the EPA. This accounts for the car getting 31 mpg on local roads and an outstanding 40 mpg on highways. With such great efficiency, you don’t have to worry as much about the fuel capacity. 
Fun Fact Did you know that Honda produced a car that ran on natural gas? The Honda Civic Natural Gas, also known as the Honda Civic GX, was produced from the late ‘90s to 2015. 
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How to check your 2020 Honda Civic’s gas tank

If you’d rather check the size of your gas tank on your own, you’ve got plenty of ways to go about it. 

Fill up your tank completely

If you’re willing to drive your Honda Civic until your tank
is on “E,”
you will be able to get a pretty good estimate of its fuel capacity. Once the gauge hits empty, take your car to the nearest gas station and see how much fuel it takes to fill it.

Check your owner’s manual

If you’d like to figure out your gas capacity without even removing your Honda Civic’s gas cap, you can do so by checking the owner's manual. Look up “fuel tank capacity” or something similar in the table of contents or index to find the information you need.

Measure it yourself

It only takes a measuring tape and a little math to find out the capacity of your tank manually. Simply measure the height, width, and length of the tank and multiply those numbers together. After that, divide by 231—the number of cubic inches in a gallon—to find the fuel capacity.
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How to save on fuel costs in a 2020 Honda Civic

The Honda Civic doesn’t use as much gas as most cars on the road, but that doesn’t mean trips to the gas station don’t hurt your wallet all the same. But there are a few things you can do to use less gas.
  • Stay on top of maintenance: If your car isn’t properly taken care of, its fuel efficiency can suffer.
  • Avoid the traffic:
    Start and stop traffic
    uses a lot more gas than a smooth ride would. It’s not always possible, but avoid congestion when you can. 
  • Stop idling: It can be tempting to let your car run in the morning to avoid a chilly drive to work, but idling guzzles gas and gets you nowhere.

How to optimize your 2020 Honda Civic insurance coverage

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