For the best tire performance, follow the psi specified by the auto manufacturer on the placard, usually found in the door jamb or the owner’s manual. This value suits original equipment (OE) tires. The sidewall pressure shows maximum inflation but does not account for ride quality or unique vehicle needs.
On the other hand, tire sidewall pressure refers to the maximum pressure that the tire can safely withstand, as indicated on the tire’s sidewall. This value is set by the tire manufacturer and ensures that the tire operates within safe limits. Overinflating a tire beyond this sidewall pressure can lead to a blowout, while underinflating it can cause uneven wear and decreased fuel efficiency.
Understanding the differences between car tire pressure and tire sidewall pressure is key for any driver. Regularly checking tire pressure helps ensure safety and prolongs tire life. Next, we will explore the methods for accurately measuring tire pressure and the best practices for maintaining optimal tire health.
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