1989 Geo Tracker Tire Size
The original tire size for your 1989 Geo Tracker is listed below. Tap on the box to view a color-coded explanation of the best Geo Tracker tire size.
The original tire size for your 1989 Geo Tracker is P205/75R15. A color-coded explanation of the 1989 Geo Tracker's tire size is shown below.
This letter denotes the intended use of the tire.
This number indicates that your tire has a width of 205 millimeters.
This number means that your tire has an aspect ratio of 75%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% of the width. In this case, the sidewall height works out to be 153 millimeters.
This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
The tire size was designed to fit rims or wheels that are 15 inches in diameter.