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Does higher tire pressure increase tire life?

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Does higher tire pressure increase tire life?

Updated Information. You can improve your gas mileage by 0.6\% on average—up to 3\% in some cases—by keeping your tires inflated to the proper pressure. Under-inflated tires can lower gas mileage by about 0.2\% for every 1 psi drop in the average pressure of all tires. Properly inflated tires are safer and last longer.

Is it better to have higher or lower tire pressure?

Low tire pressure always is more dangerous than high tire pressure. Higher pressure generally is not dangerous, as long as you stay well below the “maximum inflation pressure.” That number is listed on each sidewall, and is much higher than your “recommended tire pressure” of 33 psi, Gary.

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What happens if psi is too high?

A tire bulges in the center of the tread when you overinflate it. It means center tread wear, an uncomfortable ride, and increased risk for a blowout. Note that a few PSI over your recommended tire pressure generally won’t put you in the danger zone. After all, tire pressure fluctuates with the outside temperature.

What’s the best tire pressure for gas mileage?

For example, let’s take a typical small sedan rated for 25 MPG, whose tires should be set at 32 PSI. If the driver ignores tire pressure for a month — tires naturally lose 1 PSI to 2 PSI per month — the resulting pressure drop could reduce fuel economy to 23.1 MPG, on average.

How low can a tire be before it is unsafe?

If you have standard passenger tires (ninety percent of vehicles do) the lowest tire pressure you can generally drive with is 20 pounds per square inch (PSI). Anything under 20 PSI is considered a flat tire, and puts you at risk for a potentially devastating blowout.

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Why is low tire pressure bad?

Low tire pressure hurts your car’s handling as well. When a tire is underinflated, its sidewalls flex more than they were designed to during cornering and braking. The tread, the contact point with the road, squirms. Low tire pressure robs your tires of the grip and responsiveness they need to help you avoid accidents.