See also:

Traction AA, A, B and C
The traction grades, from highest to lowest, are AA, A, B and C. Those grades represent the tire’s ability to stop on wet pavement as measured under controlled conditions on specified government ...

When traveling or registering your vehicle in another country
When planning to travel in another country, you should first find out if the fuel available is suitable for your vehicle’s engine. Using fuel with an octane rating that is too low may cause engin ...

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 ...