This stands for Radial , the standard internal structure for modern passenger vehicles.

. This size is popular because it provides a balanced mix of ride comfort, fuel economy, and handling. Decoding the 205/55R16 Size

Understanding these numbers is essential for choosing a safe replacement for your vehicle:

The height of the sidewall is 55% of the width , which is approximately 112.75 mm (4.44 inches).

The tire must be mounted on a 16-inch wheel .

The tire's section width is 205 millimeters (about 8.07 inches) from sidewall to sidewall.