Understanding UTQG

June 10th, 2009

 

The Uniform Tire Quality Grade, or UTQG, is a U.S. federal government mandated test that provides buyers with information about tires in three categories: treadwear, traction and temperature. Each tire manufacturer performs its own tests based on government prescribed procedures and assigns grades  which are branded on the sidewall of a tire.

Treadwear:

All tires are assigned a treadwear grade based on their relative wear rate according to the results of manufacturer testing. Treadwear grades range from 60 to more than 800, increasing in 20 point increments. The higher the treadwear number, the longer the tread life. For example, a tire with a grade of 200 would wear twice as long as tire rated as 100. However, with manufactuers defining their own treadwear score, the number is ...[more]

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Tags: UTQG, temperature, traction, treadwear
Posted in: about Tires
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