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What is a Tire Temperature Rating?

Tire temperature rating grades a correctly inflated tire's ability to resist and properly disperse heat. A tire temperature grade ranges from A to C, with C being the lowest possible score under federal regulations. A tire assigned with an A score means it runs the coolest while one graded C runs the hottest. This score helps determines the risk of potential deterioration when operating a tire in high temperatures. For instance, consistently driving in high temperatures on a C rated tire could potentially lead to blowouts.

Facts about tire temperature grade

  • Tests are conducted under controlled conditions
  • Grades are based on proper inflation and don���t account for overfilled tires
  • Having a C score doesn't mean the tires are unsafe, but that they run the hottest in comparison to other models