2004 Cadillac XLR Tire Size
The original tire size for your 2004 Cadillac XLR is listed below. Tap on the box to view a color-coded explanation of the best Cadillac XLR tire size.
The original tire size for your 2004 Cadillac XLR is P235/50ZR18 97W. A color-coded explanation of the 2004 Cadillac XLR'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 235 millimeters.
This number means that your tire has an aspect ratio of 50%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 50% of the width. In this case, the sidewall height works out to be 117 millimeters.
This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (240 km/h). A tire's speed class is less specific than the speed rating.
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 97, which means it's capable of carrying a load of 1606 pounds (730 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 W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous.