2007 Saab 9-7x Tire Size

The original tire size for your 2007 Saab 9-7x is listed below. Tap on the box to view a color-coded explanation of the best Saab 9-7x tire size.

Trim Options:

4.2i5.3i

P255/55R18 104H

Simplified Size:  255-55-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2007 Saab 9-7x is P255/55R18 104H.  A color-coded explanation of the 2007 Saab 9-7x's tire size is shown below.

P

This letter denotes the intended use of the tire.

PPassenger Vehicle
LTLight Truck
CCommercial Vehicle
255

This number indicates that your tire has a width of 255 millimeters.

55

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.

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
18

The tire size was designed to fit rims or wheels that are 18 inches in diameter.

104

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.

H

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.