TREADWEAR The treadwear grade is a comparative grade assigned by the manufacturer based on the wear rate of a tire when tested under controlled conditions on a course that meets government-specified requirements. DOT QUALITY GRADES All passenger car tires must conform to Federal Safety Requirements in addition to these grades. Tire manufacturers and brand name owners are required to grade regularĪnd all-season tires in three categories: Treadwear, Traction, and Temperature. UTQG designates the comparative performance levels of a tire based upon government-specified tests. Specifically to your particular driving habits, conditions, etc., is a possibility. As a result, misinterpreting the comparative data as it relates However, the ratings are based upon test results achieved under very specific conditions. Is intended to provide simple, comparative data for your use in making an informed buying decision.
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