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 one and one-half (1 1/2) times as well on the government course as a tire graded 100. The relative performance of tires depends upon actual conditions of their use, however, and may depart significantly from the norm due to variations in driving habits, service practices and differences in road characteristics and climate.
See also:
Vehicle identification number (chassis number)
The number is stamped as shown. ...
Owner’s Manual/Service Manual order information
Genuine INFINITI Service Manual for this
model and prior models can be purchased.
A genuine INFINITI Service Manual is the
best source of service and repair information
for your vehicle. This ...
Engine serial number
The number is stamped on the engine as shown. ...
