2021 Audi R8 Tire Size
The original tire size for your 2021 Audi R8 is listed below. Tap on the box to view a color-coded explanation of the best Audi R8 tire size.
305/30ZR20/XL (103 )(Rear)
Simplified Size: 245-30-20
Simplified size is useful for shopping and buying tires.
The original tire size for your 2021 Audi R8 is 245/30ZR20/XL 90(Y) (Front). A color-coded explanation of the 2021 Audi R8's tire size is shown below.
305 | This number indicates that your tire has a width of 305 millimeters. | ||||||
20 | The tire size was designed to fit rims or wheels that are 20 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. | ||||||
30 | This number means that your tire has an aspect ratio of 30%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 30% of the width. In this case, the sidewall height works out to be 91 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. |
245/30ZR20/XL (90 )(Front)
Simplified Size: 305-30-20
Simplified size is useful for shopping and buying tires.
The original tire size for your 2021 Audi R8 is 245/30ZR20/XL 90(Y) (Front). A color-coded explanation of the 2021 Audi R8's tire size is shown below.
245 | This number indicates that your tire has a width of 245 millimeters. | ||||||
20 | The tire size was designed to fit rims or wheels that are 20 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. | ||||||
90 | This tire has a load index of 90, which means it's capable of carrying a load of 1320 pounds (600 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. | ||||||
30 | This number means that your tire has an aspect ratio of 30%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 30% of the width. In this case, the sidewall height works out to be 73 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. |