Tire maintenance & safety

Tire Inflation Pressure Overview & Importance

Tires sustain significant wear and tear over thousands of miles. Routine tire maintenance is necessary in order to ensure that they're in ideal working order. When you maintain your tires, you make sure you can safely use them for as long as possible. While a visual inspection can reveal a number of issues with a tire, one aspect of tire maintenance that's often overlooked is tire inflation pressure.

Tire Inflation Pressure

Tire inflation pressure is the amount of air inside a tire as recommended by the vehicle manufacturer. Tire inflation pressure is measured by PSI or pounds per square inch. This measurement is offered through a tire gauge, also called a tire pressure gauge. Keeping track of tire inflation pressure is easy and can save you money in the long run.

Finding the Right Tire Inflation Pressure

Tire inflation pressure is easily measured and maintained. You cannot only do it yourself but you can also have the service professionals at your dealership check it. We recommend getting your tire inflation pressure checked during your routine tire rotations and safety inspections. Most vehicles sold in the United States have an easy-to-read tire inflation guide in the driver's side door jamb or door frame. If such information cannot be found on the chart located in the door jamb, it will be listed in the vehicle owner's manual. Finally, a driver can see a technician at the dealership for advice if necessary.

Relying on this information is the best way to find the ideal tire inflation pressure as opposed to referring to the tire sidewall for information. The tire sidewall will display the maximum PSI, and filling the tires up to this level will overinflate them. Over-inflation can lead to dangerous blowouts and can also cause the tires to wear out more quickly.

Some vehicle owners inflate their tires to the maximum pressure or deflate them below the recommended level on purpose. This is a dangerous practice that can lead to traffic accidents.

We do not recommend over or under-inflating your tires. SimpleTire.com is here to help you understand the many reasons why tire inflation pressure is a necessity for optimal vehicle performance.

Why Tire Inflation Pressure Is Important

Tire performance and tire safety are the two main reasons why tire inflation pressure is so important. Even the smallest changes in tire pressure can greatly affect the feel and the responsiveness of your vehicle. This is especially true for larger vehicles. For this reason, vehicles such as SUVs and passenger trucks should be checked regularly for ideal tire pressure.


In terms of tire performance, fluctuation in the tire pressure may produce a stiffer or sturdier ride instead of a ride that's comfortable. However, overinflated tires will result in a feeling of surfing or gliding across a paved surface, greatly diminishing a vehicle's ability to respond quickly. Under-inflated tires will create more drag, reduce responsiveness, and greatly affect fuel efficiency. We want you to get the most from each tank of gas, and the correct tire pressure can help you do just that.


When considering vehicle safety, tire inflation pressure is critical. As mentioned, overinflated tires will affect vehicle responsiveness. Beyond the dangers of a poorly responding vehicle, overinflated tires are prone to warping and blowouts. The same can be said for underinflated tires. Underinflated tires build up excess heat that can cause them to blow out. Severe under-inflation can also cause a tire to slip off the rim. At high speeds, this will most likely result in an accident. We certainly don't want to see that happen.


Under and over-inflation both shorten the life of your tires. If you want to get the most for the money you paid for your tires, make sure to keep an eye on tire inflation pressur

Ready to find the perfect tires?

Search By