See also:

Summer tires
INFINITI specifies summer tires on some models to provide superior performance on dry roads. Summer tire performance is substantially reduced in snow and ice. Summer tires do not have the tire tracti ...

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 wear ...

2012 Infiniti QX56 Review
I can definitively say that I would like to ride around in it as a passenger every day; seating seven or eight people, it's cush and totally luxurious. As it should be: Padded with plenty of extras, ...