Nissan Sentra Gas Tank Size

Depending on the model year, your Nissan Sentra gas tank size will be 13.2, 14.5, or 12.4 gallons.
Written by John Davis
Reviewed by Jessica Barrett
Updated on Sep 14, 2022
Nissan has been producing Sentras since 1982. Depending on which model year you own, your Nissan Sentra gas tank size will be 13.2, 14.5, or 12.4 gallons. 
Modern gas pumps have an automatic stop feature that helps ensure you don’t overfill your tank. However, knowing how many gallons of fuel your car can hold is still important. And this information can really come in clutch if you’re taking a long road trip.
The manufacturer includes your vehicle’s gas tank size in your owner’s manual, but if you’ve lost the manual, don’t worry.
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How big is the gas tank on a Nissan Sentra?

The Nissan Sentra’s gas tank size has fluctuated in the past three decades. Depending on your car’s model year, its fuel tank capacity will be 13.2, 14.5, or 12.4 gallons.
Here’s a breakdown of the gas tank size by model year:
  • Between 1982-2006: 13.2 gallons (or 50 liters)
  • Between 2007-2012: 14.5 gallons (or 55 liters)
  • Between 2020-present: 12.4 gallons (or 47 liters)

How to check your Nissan Sentra’s gas tank size

If you’re curious about how you can check your gas tank size yourself, there are a few methods you can use. 

Measure the tank

This first method is ideal for someone who doesn’t mind getting a little dirty. The only tools you’ll need are a measuring tape and a calculator, but you will have to crawl underneath the car.
To measure your car’s fuel tank, multiply its length, width, and height. Divide that number by 231 (the number of cubic inches in a gallon) to learn your Nissan Sentra’s gas tank size. 

Check your owner’s manual

If you’d rather stay clean, a surefire way to learn your car’s gas tank size is to check your owner’s manual. Your vehicle owner’s manual will typically label this information under a term like “fuel tank capacity” or something similar. 

Drive until empty, then fill it up

What if you lost your owner’s manual, and you don’t want to crawl under the car? Well, there’s one final method you can use—if you’re feeling brave.
For this method, drive your car until the gas gauge reaches empty. Try to plan for this in advance, and ensure you’re near a gas station. Then, fill your car up.
Make sure to note how many gallons of fuel you add to the vehicle. This won’t give you an exact measurement, but it will be close enough.

How to save on fuel costs in a Nissan Sentra

Now that you’ve learned how to determine your car’s gas tank size, perhaps you’re wondering if you can increase its fuel efficiency. While this number will vary depending on the trim and model year that you own, the average combined city and highway fuel efficiency for a Nissan Sentra is around 27 MPG.
As a small, compact car, the Nissan Sentra does pretty well on gas mileage. But if you’re interested in steps you can take to maximize your vehicle’s fuel efficiency, check out these tips:
  • Don’t skip regular maintenance. Your daily driving routine can really take its toll on your car. That’s why it’s important to keep up with regular maintenance. Little things, like oil changes and tire rotations, can go a long way toward prolonging the life of your vehicle.
  • Drive your car conservatively. Accelerating unnecessarily quickly can really burn through your gas. Avoid taking off too quickly from stop signs and intersections to increase your fuel efficiency.
  • Avoid letting your car idle for extended periods, especially during winter. Allowing your car to idle for long periods of time burns a lot of fuel. Instead of idling your vehicle, try driving it gently to warm it up during the winter. 

How to optimize your Nissan Sentra’s insurance coverage

If you want your car to provide you with many years of service, you need to treat it properly. One of the best ways to protect your vehicle is to purchase a quality insurance plan. However, searching for the right coverage can be a hassle.
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