2015 Audi S8 Tire Size
There are multiple tire sizes for your 2015 Audi S8 that depend upon the trim level. Look for your trim level below to get a color-coded explanation of your tire size. Then pick the best tire size for your 2015 Audi S8.
265/35R21/XL 101
Simplified Size: 265-35-21
Simplified size is useful for shopping and buying tires.
The original tire size for your 2015 Audi S8 is 265/35R21/XL 101Y. A color-coded explanation of the 2015 Audi S8's tire size is shown below.
265 | This number indicates that your tire has a width of 265 millimeters. | ||||||
21 | The tire size was designed to fit rims or wheels that are 21 inches in diameter. | ||||||
XL | The mark of XL means extra load. A tire with this designation can handle higher inflation pressures than a regular tire, which increases its maximum load. | ||||||
101 | This tire has a load index of 101, which means it's capable of carrying a load of 1815 pounds (825 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
35 | This number means that your tire has an aspect ratio of 35%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 35% of the width. In this case, the sidewall height works out to be 92 millimeters. | ||||||
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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This tire has a speed rating of Y, which means 186 mph (300 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |
Trim Options:
(Summer Tires)
275/35R21/XL 103
Simplified Size: 275-35-21
Simplified size is useful for shopping and buying tires.
The original tire size for your 2015 Audi S8 is 275/35R21/XL 103Y. A color-coded explanation of the 2015 Audi S8's tire size is shown below.
275 | This number indicates that your tire has a width of 275 millimeters. | ||||||
21 | The tire size was designed to fit rims or wheels that are 21 inches in diameter. | ||||||
XL | The mark of XL means extra load. A tire with this designation can handle higher inflation pressures than a regular tire, which increases its maximum load. | ||||||
103 | This tire has a load index of 103, which means it's capable of carrying a load of 1925 pounds (875 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
35 | This number means that your tire has an aspect ratio of 35%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 35% of the width. In this case, the sidewall height works out to be 96 millimeters. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||
This tire has a speed rating of Y, which means 186 mph (300 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |
Trim Options:
(Summer Tires)
275/35ZR21/XL (103)
Simplified Size: 275-35-21
Simplified size is useful for shopping and buying tires.
The original tire size for your 2015 Audi S8 is 275/35ZR21/XL 103(Y). A color-coded explanation of the 2015 Audi S8's tire size is shown below.
275 | This number indicates that your tire has a width of 275 millimeters. | ||||||
21 | The tire size was designed to fit rims or wheels that are 21 inches in diameter. | ||||||
XL | The mark of XL means extra load. A tire with this designation can handle higher inflation pressures than a regular tire, which increases its maximum load. | ||||||
103 | This tire has a load index of 103, which means it's capable of carrying a load of 1925 pounds (875 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||
Z | 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. | ||||||
35 | This number means that your tire has an aspect ratio of 35%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 35% of the width. In this case, the sidewall height works out to be 96 millimeters. | ||||||
R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||
This tire has a speed rating of Y, which means 186 mph (300 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |