2005 Saab 9-7x Tire Size
The original tire size for your 2005 Saab 9-7x is listed below. Tap on the box to view a color-coded explanation of the best Saab 9-7x tire size.
The original tire size for your 2005 Saab 9-7x is P255/55R18 104H. A color-coded explanation of the 2005 Saab 9-7x'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 255 millimeters.
This number means that your tire has an aspect ratio of 55%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 55% of the width. In this case, the sidewall height works out to be 140 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 18 inches in diameter.
This tire has a load index of 104, which means it's capable of carrying a load of 1980 pounds (900 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite.
This tire has a speed rating of H, which means 130 mph (210 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.