Range Rover: Uniform tire quality grading - Tires - Range Rover Owner's ManualRange Rover: Uniform tire quality grading

Quality grades can be found where applicable on the tire sidewall between the tread shoulder and maximum section width. For example:

Treadwear 200 Traction AA Temperature A.

In addition to the markings requirements, passenger care tires must conform to Federal Safety Requirements.

    United states department of transportation
    The following information relates to the tire grading system developed by the National Highway Safety Administration which will grade tires by treadwear, traction and temperature performance. Not ...

    Treadwear
    The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would w ...

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