# 2015 Audi A4 Tire Size

Your Audi was manufactured with different tire sizes. To determine the best tire size for your specific 2015 Audi A4, we first need to determine your rim size. Please review the information below.

## How to Determine Rim Size

Check your existing tires. Your Audi A4's rim size is the number to the right of the R. In the example pictured here, the tire size fits 16-inch rims.

## Rim Size Selection

Now that you know your rim size, make a selection below to filter your results.

## 17-Inch Rims

### 2015 Audi A4

Your 2015 Audi A4 was manufactured with multiple tire sizes. Choose a tire size below to get a color-coded explanation of the differences. Then pick the best tire size for your 2015 Audi A4.

Trim Options:

### Premium

## 245/45R17 95

### Simplified Size: 245-45-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Audi A4 is **245/45R17 95H**. A color-coded explanation of the 2015 Audi A4's tire size is shown below.

245 | This number indicates that your tire has a width of 245 millimeters. | ||||||

17 | The tire size was designed to fit rims or wheels that are 17 inches in diameter. | ||||||

95 | This tire has a load index of 95, which means it's capable of carrying a load of 1518 pounds (690 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

45 | This number means that your tire has an aspect ratio of 45%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 45% of the width. In this case, the sidewall height works out to be 110 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 H, which means 130 mph (210 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

Trim Options:

### Premium

## P245/45R17 95

### Simplified Size: 245-45-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Audi A4 is **P245/45R17 95H**. A color-coded explanation of the 2015 Audi A4's tire size is shown below.

P | This letter denotes the intended use of the tire.
| ||||||

245 | This number indicates that your tire has a width of 245 millimeters. | ||||||

17 | The tire size was designed to fit rims or wheels that are 17 inches in diameter. | ||||||

95 | This tire has a load index of 95, which means it's capable of carrying a load of 1518 pounds (690 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

45 | This number means that your tire has an aspect ratio of 45%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 45% of the width. In this case, the sidewall height works out to be 110 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 H, which means 130 mph (210 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

## 18-Inch Rims

### 2015 Audi A4

There are multiple tire sizes for your 2015 Audi A4 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 A4.

Trim Options:

### PremiumPremium PlusPrestige

## 245/40R18 93

### Simplified Size: 245-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Audi A4 is **245/40R18 93H**. A color-coded explanation of the 2015 Audi A4's tire size is shown below.

245 | This number indicates that your tire has a width of 245 millimeters. | ||||||

18 | The tire size was designed to fit rims or wheels that are 18 inches in diameter. | ||||||

93 | This tire has a load index of 93, which means it's capable of carrying a load of 1430 pounds (650 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

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 98 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 H, which means 130 mph (210 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

Trim Options:

### PremiumPremium PlusPrestige

## 245/40R18 93

### Simplified Size: 245-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Audi A4 is **245/40R18 93Y**. A color-coded explanation of the 2015 Audi A4's tire size is shown below.

245 | This number indicates that your tire has a width of 245 millimeters. | ||||||

18 | The tire size was designed to fit rims or wheels that are 18 inches in diameter. | ||||||

93 | This tire has a load index of 93, which means it's capable of carrying a load of 1430 pounds (650 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

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 98 millimeters. | ||||||

R |
| ||||||

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:

### PremiumPremium PlusPrestige

## 245/40ZR18 93

### Simplified Size: 245-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Audi A4 is **245/40ZR18 93Y**. A color-coded explanation of the 2015 Audi A4's tire size is shown below.

245 | This number indicates that your tire has a width of 245 millimeters. | ||||||

18 | The tire size was designed to fit rims or wheels that are 18 inches in diameter. | ||||||

93 | This tire has a load index of 93, which means it's capable of carrying a load of 1430 pounds (650 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. | ||||||

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 98 millimeters. | ||||||

R |
| ||||||

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:

### PremiumPrestige

## 245/40ZR18/XL 97

### Simplified Size: 245-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Audi A4 is **245/40ZR18/XL 97Y**. A color-coded explanation of the 2015 Audi A4's tire size is shown below.

245 | This number indicates that your tire has a width of 245 millimeters. | ||||||

18 | The tire size was designed to fit rims or wheels that are 18 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. | ||||||

97 | 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. | ||||||

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. | ||||||

40 | |||||||

R |
| ||||||

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. |

## 19-Inch Rims

### 2015 Audi A4

Your 2015 Audi A4 was manufactured with multiple tire sizes. Choose a tire size below to get a color-coded explanation of the differences. Then pick the best tire size for your 2015 Audi A4.

Trim Options:

### Premium PlusPrestige (19 Inch Option)

## 255/35R19/XL 96

### Simplified Size: 255-35-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Audi A4 is **255/35R19/XL 96Y**. A color-coded explanation of the 2015 Audi A4's tire size is shown below.

255 | This number indicates that your tire has a width of 255 millimeters. | ||||||

19 | The tire size was designed to fit rims or wheels that are 19 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. | ||||||

96 | This tire has a load index of 96, which means it's capable of carrying a load of 1562 pounds (710 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 89 millimeters. | ||||||

R |
| ||||||

Trim Options:

### Premium PlusPrestige (19 Inch Option)

## 255/35ZR19/XL (96 )

### Simplified Size: 255-35-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Audi A4 is **255/35ZR19/XL 96(Y)**. A color-coded explanation of the 2015 Audi A4's tire size is shown below.

255 | This number indicates that your tire has a width of 255 millimeters. | ||||||

19 | The tire size was designed to fit rims or wheels that are 19 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. | ||||||

96 | This tire has a load index of 96, which means it's capable of carrying a load of 1562 pounds (710 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 89 millimeters. | ||||||

R |
| ||||||

Trim Options:

### Premium PlusPrestige (19 Inch Option)

## 255/35ZR19/XL 96

### Simplified Size: 255-35-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2015 Audi A4 is **255/35ZR19/XL 96Y**. A color-coded explanation of the 2015 Audi A4's tire size is shown below.

255 | This number indicates that your tire has a width of 255 millimeters. | ||||||

19 | The tire size was designed to fit rims or wheels that are 19 inches in diameter. | ||||||

XL | |||||||

96 | This tire has a load index of 96, which means it's capable of carrying a load of 1562 pounds (710 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

Z | |||||||

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 89 millimeters. | ||||||

R |
| ||||||