# 2018 Ford Mustang Tire Size

Your Ford was manufactured with different tire sizes. To determine the best tire size for your specific 2018 Ford Mustang, we first need to determine your rim size. Please review the information below.

## How to Determine Rim Size

Check your existing tires. Your Ford Mustang'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.

## 18-Inch Rims

### 2018 Ford Mustang

The original tire size for your 2018 Ford Mustang is listed below. Tap on the box to view a color-coded explanation of your Ford Mustang's' tire size.

Trim Options:

### EcoBoostEcoBoost PremiumGTGT Premium

## 235/50R18 97

### Simplified Size: 235-50-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **235/50R18 97W**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

235 | This number indicates that your tire has a width of 235 millimeters. | ||||||

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 117 millimeters. | ||||||

R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||

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

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. | ||||||

This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

## 19-Inch Rims

### 2018 Ford Mustang

There are multiple tire sizes for your 2018 Ford Mustang 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 2018 Ford Mustang.

Trim Options:

### EcoBoost PremiumGTGT Premium

## 255/40ZR19 96

### Simplified Size: 255-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **255/40ZR19 96W**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

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

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 millimeters. | ||||||

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. | ||||||

R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||

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

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. | ||||||

This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

Trim Options:

### EcoBoostEcoBoost Premium

## 255/40ZR19 96

### Simplified Size: 255-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **255/40ZR19 96Y**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

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

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 millimeters. | ||||||

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. | ||||||

R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
| ||||||

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

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. | ||||||

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:

### GTGT Premium

## 255/40ZR19 96(Front)

### Simplified Size: 255-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **255/40ZR19 96Y (Front)**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

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

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 millimeters. | ||||||

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. | ||||||

R |
| ||||||

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

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. | ||||||

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:

### GTGT Premium

## 275/40ZR19 101(Rear)

### Simplified Size: 275-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **255/40ZR19 96Y (Front)**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

275 | This number indicates that your tire has a width of 275 millimeters. | ||||||

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 110 millimeters. | ||||||

Z | |||||||

R |
| ||||||

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

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. | ||||||

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:

### GT Premium

## 255/40ZR19/XL (100 )(Front)

### Simplified Size: 255-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **255/40ZR19/XL (100Y) (Front)**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

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

40 | |||||||

Z | |||||||

R |
| ||||||

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. | ||||||

100 | This tire has a load index of 100, which means it's capable of carrying a load of 1760 pounds (800 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

Trim Options:

### GT Premium

## 275/40ZR19/XL (105 )(Rear)

### Simplified Size: 275-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **255/40ZR19/XL (100Y) (Front)**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

275 | This number indicates that your tire has a width of 275 millimeters. | ||||||

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 110 millimeters. | ||||||

Z | |||||||

R |
| ||||||

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. | ||||||

105 | This tire has a load index of 105, which means it's capable of carrying a load of 2035 pounds (925 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

Trim Options:

### Shelby GT350

## 295/35ZR19 (100 )(Front)

### Simplified Size: 295-35-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **295/35ZR19 (100Y) (Front)**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

295 | This number indicates that your tire has a width of 295 millimeters. | ||||||

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 103 millimeters. | ||||||

Z | |||||||

R |
| ||||||

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

100 | This tire has a load index of 100, which means it's capable of carrying a load of 1760 pounds (800 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

Trim Options:

### Shelby GT350

## 305/35ZR19 (102 )(Rear)

### Simplified Size: 305-35-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **295/35ZR19 (100Y) (Front)**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

305 | This number indicates that your tire has a width of 305 millimeters. | ||||||

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 106 millimeters. | ||||||

Z | |||||||

R |
| ||||||

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

102 | This tire has a load index of 102, which means it's capable of carrying a load of 1870 pounds (850 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

Trim Options:

### Shelby GT350R

## 305/30ZR19 (98 )(Front)

### Simplified Size: 305-30-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **305/30ZR19 (98Y) (Front)**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

305 | This number indicates that your tire has a width of 305 millimeters. | ||||||

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. | ||||||

Z | |||||||

R |
| ||||||

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

98 | This tire has a load index of 98, which means it's capable of carrying a load of 1650 pounds (750 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

Trim Options:

### Shelby GT350R

## 315/30ZR19 (100 )(Rear)

### Simplified Size: 315-30-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **305/30ZR19 (98Y) (Front)**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

315 | This number indicates that your tire has a width of 315 millimeters. | ||||||

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 94 millimeters. | ||||||

Z | |||||||

R |
| ||||||

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

100 | This tire has a load index of 100, which means it's capable of carrying a load of 1760 pounds (800 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

Trim Options:

### EcoBoost

## P255/40R19 96

### Simplified Size: 255-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **P255/40R19 96W**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

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

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

40 | |||||||

R |
| ||||||

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

96 | |||||||

This tire has a speed rating of W, which means 167 mph (270 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

## 20-Inch Rims

### 2018 Ford Mustang

Your 2018 Ford Mustang 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 2018 Ford Mustang.

Trim Options:

### EcoBoost PremiumGT Premium

## 265/35R20/XL 99

### Simplified Size: 265-35-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **265/35R20/XL 99W**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

265 | This number indicates that your tire has a width of 265 millimeters. | ||||||

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 |
| ||||||

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. | ||||||

99 | This tire has a load index of 99, which means it's capable of carrying a load of 1705 pounds (775 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

Trim Options:

### EcoBoost PremiumGT Premium

## 265/35ZR20/XL 99

### Simplified Size: 265-35-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Ford Mustang is **265/35ZR20/XL 99Y**. A color-coded explanation of the 2018 Ford Mustang's tire size is shown below.

265 | This number indicates that your tire has a width of 265 millimeters. | ||||||

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. | ||||||

Z | |||||||

R |
| ||||||

20 | The tire size was designed to fit rims or wheels that are 20 inches in diameter. | ||||||

XL | |||||||

99 | This tire has a load index of 99, which means it's capable of carrying a load of 1705 pounds (775 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||