7 Ways to Know Your Car Needs New Tires

Unfortunately tires don't last forever. But how do you when your tires need to be replaced? LoveToKnow: Cars has come up with a list of seven ways to tell if you need new tires. What do you most typically look for as a sign that you need new tire?

Your Tires Are Old
According to TireRack, there is no set calendar age that indicates it's time to replace your tires. Environmental conditions like road salt and salt air, extreme temperatures, and direct sunlight exposure, can cause your tire to wear out more quickly, no matter how old they are. In general, if your tires that are more than six years old, you may need to replace them. If they are over 10 years old, there's an even higher likelihood that the rubber has degraded. 

You Have Driven More Than the Recommended Amount
When you buy new tires, you'll see that they are rated for a certain number of miles. This varies, depending on the brand. If you don't have long wear tires or those that are approved for an extended period, Autos.com reports that you'll mostly likely need to replace them around 40,000 miles. 

Your Car Doesn't Handle As Well
If your car isn't handling as well as it used to, this change may indicate that your tires need to be replaced. Trouble driving on wet pavement and difficulty maintaining traction around curves can be signs of tire wear. 

Your Tire's Sidewall is Bulging or Cracked
A bulge or raised area in the sidewall, or vertical edge, of your tire can indicate a weak spot, according to Consumer Reports. In time, this spot could lead to a tire blow-out, so it's very important to have it checked out right away. Cracked areas can also signal weakness. 

Your Car Vibrates While Driving
Poor alignment can cause your car to vibrate, but unevenly worn tires can be another culprit. In addition, an internal problem in the tire can cause this type of behavior, so it's important to have your tires inspected and possibly replaced if this is happening. 

You Don't Keep Your Tires Properly Inflated
Many newer cars have tire pressure monitoring systems to alert you that one or more tires is under inflated. If your car doesn't have this feature, it's important that you routinely check tire pressure on your own. Keep tires inflated to the psi recommended by the manufacturer. If you regularly drive with one or more tires under inflated, you may need to get new tires sooner than later. When your tires are under inflated, it places undue stress on the sidewalls of the tires, causing them to wear out sooner. 

Your Tire Tread Is Insufficient
Your tire's tread must be a certain depth to provide proper traction for your car. If the tread depth is too low, your car won't handle well on the road. According to a commentary published in the journal Traffic Injury Prevention, most states require a tread depth of 1/16 of an inch. However, there is a significant drop in traction if the tread depth is less than 1/8 inch. Most tires include wear bars that are exposed when your tread is less than 1/16 of an inch.

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