1997 Geo Metro Tire Size

The original tire size for your 1997 Geo Metro is listed below. Tap on the box to view a color-coded explanation of the best Geo Metro tire size.

P155/80R13 79S

Simplified Size:  155-80-13

Simplified size is useful for shopping and buying tires.

The original tire size for your 1997 Geo Metro is P155/80R13 79S.  A color-coded explanation of the 1997 Geo Metro's tire size is shown below.

P

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
155

This number indicates that your tire has a width of 155 millimeters.

80

This number means that your tire has an aspect ratio of 80%.  In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 80% of the width.  In this case, the sidewall height works out to be 124 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
13

The tire size was designed to fit rims or wheels that are 13 inches in diameter.

79

This tire has a load index of 79, which means it's capable of carrying a load of 961 pounds (437 kg) or less.  A higher number means the tire can carry more weight.  A lower number means the opposite.

S

This tire has a speed rating of S, which means 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes.  A higher speed becomes dangerous.