1991 Infiniti M30 Tire Size

The original tire size for your 1991 Infiniti M30 is listed below. Tap on the box to view a color-coded explanation of the best Infiniti M30 tire size.

P215/60R15

Simplified Size:  215-60-15

Simplified size is useful for shopping and buying tires.

The original tire size for your 1991 Infiniti M30 is P215/60R15.  A color-coded explanation of the 1991 Infiniti M30's tire size is shown below.

P

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
215

This number indicates that your tire has a width of 215 millimeters.

60

This number means that your tire has an aspect ratio of 60%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 60% of the width.  In this case, the sidewall height works out to be 129 millimeters.

R

This letter denotes how your tire was constructed.  Radial is the standard construction method for about 99% of all tires sold today.

RRadial
BBias Belt
DDiagonal
15

The tire size was designed to fit rims or wheels that are 15 inches in diameter.