What Is the Perfect Tire Pressure for Max Gas Mileage?

Your tires have a huge impact on the performance of your car. Whether you’re taking a long road trip, or driving through your small home town, it’s important to have the right tire pressure. But what is the perfect tire pressure for max gas mileage?

The amount of tire pressure for max gas mileage definitely depends on the size and type of your tire, as well as the make of your car. The typically recommended level of PSI (pound per square inch) in your tires is around 30 to 35 PSI. If your tires are under-inflated they add resistance and you will burn more fuel and make your engine harder than it should. If they are overinflated, there could also be damage to your car and engine.

There are lots of different factors that go into what the perfect tire pressure is for YOUR tires. Overall, you can use your PSI and your perfect tire pressure number to really get the most out of your car and out of your tires. Read on to find out how to tell what that number is for your car!

tire pressure

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PSI for YOUR Tires

When you take a close look at your tires, you will find that there is a number stamped into the wall of your tires. This is the maximum air pressure that you can put into the tire. HOWEVER, it is not the perfect tire pressure number for your tires!

On the driver’s side door, you will find that there is a sticker that has the potentially perfect PSI for your tires according to the vehicle type. This PSI number will generally help you get better gas mileage for your car. If your vehicle still has the original owner’s manual, you can also find the optimal tire pressure number there.

Steps to Find the Perfect PSI

All things considered, your vehicle may not have these numbers written on the door, or in the owner’s manual. This means you’ll have to do a little experimenting with the amount of pressure you put in your tires.

Here are some steps you can take to make certain that your tires get the perfect tire pressure:

  • Step 1: Find the number on the wall of your tire that is the max air pressure.
  • Step 2: Fill your tires to two PSI less than that max number.
  • Step 3: Drive your car in your normal routine and keep track of your gas mileage.
  • Step 4: Add one PSI at a time to your tires. Repeat step three for each PSI to see if your vehicle performance improves. DO NOT ADD MORE THAN ONE OR TWO PSI TO YOUR TIRES. DO NOT GO OVER THE MAX PSI.  

Whichever number generates the best gas mileage for your car is the perfect tire pressure for your car! This little experiment is easy, however, it can be a bit time consuming. Just be certain that you don’t put too much air pressure, or exceed the max PSI for your tires!

Weather Impact

Not only can your perfect tire pressure number fluctuate over time, but it can also change with the weather! That’s right, your tires can decrease around 1 PSI per ten degrees (Fahrenheit) the temperatures drops around your vehicle.

The air isn’t leaking from your tires, however! The air inside is condensing and takes up less space during the colder months. Even if you have a set of the best all season tires, you may find your perfect tire pressure number going up or down based on the weather!

Just as your tire pressure can change in the winter, it can also change in the warmer months as well. Warmer months will see a rise in your tire pressure because the air is expanding in your tires. Meaning for every ten degrees the temperature rises, you will GAIN 1 PSI. 

Checking PSI More!

When it comes to keeping track of the tire pressure in your vehicle, you can learn to rely on the little light that shines when your tire pressure is low. OR, you can include checking your tires’ PSI more frequently.

All in all, essential car maintenance for your vehicle should include checking the wear and tear on your tires. Furthermore, you can start to include your tire pressure during these maintenance routines on your car! That way you can see the rise and fall of your PSI over a certain period of time.

Adding the step of checking your PSI to your general car maintenance will also allow you to stay safer on the road. Your tire pressure won’t fall below any recommended numbers, as well as staying under the max PSI for your tires. This way you can rest assured you are driving your car at the optimal tire pressure at all times!

tire upclose perfect tire pressure

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Staying Safe

It is important to find the perfect tire pressure for your vehicle because it will definitely impact your safety. Therefore, it’s imperative to understand the scope of damage that can come from having under-inflated or overinflated tires.

If your tires are under-inflated, then you can cause damage to the tires, as well as the rims on your vehicle. Not to mention you can damage the overall performance on your engine by causing unnecessary stress on the suspension, brake system, as well as the steering and performance of your vehicle!

Over-inflating your tires can cause blow outs as well as less contact with the road and less control of steering. Not only that, but also potentially damaging your steering console and control over your car while driving.

Any extra miles per gallon that you can get from the tires will be useless if you’re car doesn’t drive properly. Keeping your tires at the perfect tire pressure is essential to your overall safety!

Knowing the Perfect Tire Pressure for Your Car!

The many factors that go into finding the perfect tire pressure for your car include understanding the PSI for YOUR tires, checking out your pressure, as well as understanding why it is important!

By following these simple tips for finding the perfect tire pressure for max gas mileage, you will improve the performance of your car. Not to mention keep you and your loved ones safe on the road!

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John Miller

John Miller is a cars enthusiast who loves writing anything related to automobiles. He is a passionate blogger writing for innovatecar.com and other auto blogs