2002 Porsche Boxster Tire Size
Choose the correct tire size for your 2002 Porsche Boxster to get a detailed explanation of the tire code. If you don't know the correct stock tire size, check the inside of your driver side door or owner's manual.
Front Tire 205/50ZR17 |
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205 |
This number indicates that your tire has a width of 205 millimeters. |
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50 |
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 102.50 millimeters. |
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Z |
This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (over 240 km/h). tire's speed class is less specific than the speed rating. |
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R |
This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
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17 |
The tire size was designed to fit rims or wheels that are 17 inches in diameter. |
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Rear Tire 255/40ZR17 |
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255 |
This number indicates that your tire has a width of 255 millimeters. |
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40 |
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 102.00 millimeters. |
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Z |
This tire has a speed class of Z, which means it's part of an elite speed class of 149 mph or more (over 240 km/h). tire's speed class is less specific than the speed rating. |
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R |
This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
|
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17 |
The tire size was designed to fit rims or wheels that are 17 inches in diameter. |
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