2002 Lexus SC430 Tire Size
The original tire size for your 2002 Lexus SC430 is listed below. Tap on the box to view a color-coded explanation of the best Lexus SC430 tire size.
The original tire size for your 2002 Lexus SC430 is 245/40ZR18. A color-coded explanation of the 2002 Lexus SC430's tire size is shown below.
This number indicates that your tire has a width of 245 millimeters.
This number means that your tire has an aspect ratio of 40%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width. In this case, the sidewall height works out to be 98 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.