P Metric
With the P-Metric system, Section Width is measured in millimeters.
To convert millimeters into inches, divide by 25.4. The Aspect Ratio (Section Height divided by Section Width) helps provide more dimensional information about the tire size.
Example:

(1) P = Certain tire type used on light duty vehicles such as passenger cars
(2) Section Width in millimeters
(3) Aspect Ratio (= section height 7 section width).
(4) R = Radial Construction
(5) Rim diameter in inches
See also:
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of the front passenger’s SRS frontal airbag. The indicators are located next to
the clock in the center portion o ...
Aluminum wheels
Aluminum wheels can be scratched and damaged easily. Handle them carefully to
maintain their appearance, performance, and safety.
● When any of the wheels is removed and replaced for tire rot ...
Non-turbo models
The non-turbo engine is designed to operate using unleaded gasoline with an octane
rating of 87 AKI or higher. ...
