Treadwear grade. A government-required number that indicates a tire's expected wear. A grade of 300 denotes a tire that will wear three times as well as a tire graded 100. But the numbers are assigned by tire manufacturers, not an independent third party.
Furthermore, what does 500 AA mean on tires?
Over 500= about 80,000 miles. 5. Traction – The traction grades, from highest to lowest, are AA, A, B, C. This rating represents the tires ability to stop on wet pavement as measured under controlled conditions. A tire marked C traction may have poor traction performance.
What does Traction AA mean on a tire?
Traction. Traction grades, from highest to lowest, are AA, A, B and C. They represent the tire's ability to stop on wet pavement as measured under controlled conditions on specified government test surfaces of asphalt and concrete.
What is the UTQG rating on a tire?
The UTQG rating system originated in the US as a way to help consumers make more informed tire-buying decisions. Tire manufacturers give their own tires a grade for treadwear, traction and temperature. Together, these numbers makes up a tire's UTQG rating—a three-digit number plus two letters.