If you like to pinch pennies, with the penny tire test, it takes just one penny to check the tread depth on your tires and decide if they need to be replaced.
With the front side of a Lincoln penny facing you, put the penny upside down in your tread. If you can't see Lincoln's hair (i.e., the tread is covering it), your tread is deep enough. (That means you have more than 2/32" of tread depth, which is the minimum for safe driving.)
If you can see part of Lincoln's hair, start thinking about new tires. If you can see the top of Lincoln's head or above, Honest Abe is telling you, "Replace those tires, now!"
Tire tread should be checked because if it’s worn down, then the tread can't do its job, whic ...[more]