# 2018 Porsche Macan Tire Size

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

## How to Determine Rim Size

Check your existing tires. Your Porsche Macan'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 Porsche Macan

Your 2018 Porsche Macan 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 Porsche Macan.

## 235/60R18 103(Front)

### Simplified Size: 235-60-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **235/60R18 103V (Front)**. A color-coded explanation of the 2018 Porsche Macan's tire size is shown below.

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

60 | This number means that your tire has an aspect ratio of 60%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 60% of the width. In this case, the sidewall height works out to be 141 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. | ||||||

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. | ||||||

This tire has a speed rating of V, which means 149 mph (240 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

## 255/55R18 105(Rear)

### Simplified Size: 255-55-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **235/60R18 103V (Front)**. A color-coded explanation of the 2018 Porsche Macan's tire size is shown below.

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

55 | This number means that your tire has an aspect ratio of 55%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 55% of the width. In this case, the sidewall height works out to be 140 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. | ||||||

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. | ||||||

This tire has a speed rating of V, which means 149 mph (240 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

## 235/60R18 103(Front)

### Simplified Size: 235-60-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **235/60R18 103W (Front)**. A color-coded explanation of the 2018 Porsche Macan's tire size is shown below.

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

60 | This number means that your tire has an aspect ratio of 60%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 60% of the width. In this case, the sidewall height works out to be 141 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. | ||||||

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. | ||||||

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. |

## 255/55R18 105(Rear)

### Simplified Size: 255-55-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **235/60R18 103W (Front)**. A color-coded explanation of the 2018 Porsche Macan's tire size is shown below.

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

55 | This number means that your tire has an aspect ratio of 55%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 55% of the width. In this case, the sidewall height works out to be 140 millimeters. | ||||||

R |
| ||||||

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

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. | ||||||

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 Porsche Macan

Your 2018 Porsche Macan 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 Porsche Macan.

## 235/55R19 101(Front)

### Simplified Size: 235-55-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **235/55R19 101V (Front)**. A color-coded explanation of the 2018 Porsche Macan's tire size is shown below.

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

55 | This number means that your tire has an aspect ratio of 55%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 55% of the width. In this case, the sidewall height works out to be 129 millimeters. | ||||||

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 V, which means 149 mph (240 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

## 255/50R19 103(Rear)

### Simplified Size: 255-50-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **235/55R19 101V (Front)**. A color-coded explanation of the 2018 Porsche Macan's tire size is shown below.

255 | This number indicates that your tire has a width of 255 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 127 millimeters. | ||||||

R |
| ||||||

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

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. | ||||||

## 235/55R19 101(Front)

### Simplified Size: 235-55-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **235/55R19 101Y (Front)**. A color-coded explanation of the 2018 Porsche Macan's tire size is shown below.

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

55 | This number means that your tire has an aspect ratio of 55%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 55% of the width. In this case, the sidewall height works out to be 129 millimeters. | ||||||

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. |

## 255/50R19 103(Rear)

### Simplified Size: 255-50-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **235/55R19 101Y (Front)**. A color-coded explanation of the 2018 Porsche Macan's tire size is shown below.

255 | This number indicates that your tire has a width of 255 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 127 millimeters. | ||||||

R |
| ||||||

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

103 | |||||||

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. |

## 20-Inch Rims

### 2018 Porsche Macan

Your 2018 Porsche Macan 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 Porsche Macan.

## 265/45R20 104(Front)

### Simplified Size: 265-45-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **265/45R20 104V (Front)**. A color-coded explanation of the 2018 Porsche Macan's tire size is shown below.

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

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 119 millimeters. | ||||||

R |
| ||||||

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

104 | This tire has a load index of 104, which means it's capable of carrying a load of 1980 pounds (900 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

## 295/40R20 106(Rear)

### Simplified Size: 295-40-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **265/45R20 104V (Front)**. A color-coded explanation of the 2018 Porsche Macan's tire size is shown below.

295 | This number indicates that your tire has a width of 295 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 118 millimeters. | ||||||

R |
| ||||||

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

106 | This tire has a load index of 106, which means it's capable of carrying a load of 2090 pounds (950 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

## 265/45R20 104(Front)

### Simplified Size: 265-45-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **265/45R20 104Y (Front)**. A color-coded explanation of the 2018 Porsche Macan's tire size is shown below.

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

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 119 millimeters. | ||||||

R |
| ||||||

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

104 | This tire has a load index of 104, which means it's capable of carrying a load of 1980 pounds (900 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. |

## 295/40R20 106(Rear)

### Simplified Size: 295-40-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **265/45R20 104Y (Front)**. A color-coded explanation of the 2018 Porsche Macan's tire size is shown below.

295 | This number indicates that your tire has a width of 295 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 118 millimeters. | ||||||

R |
| ||||||

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

106 | This tire has a load index of 106, which means it's capable of carrying a load of 2090 pounds (950 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

## 21-Inch Rims

### 2018 Porsche Macan

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

## 265/40R21 101(Front)

### Simplified Size: 265-40-21

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **265/40R21 101Y (Front)**. A color-coded explanation of the 2018 Porsche Macan's tire size is shown below.

265 | This number indicates that your tire has a width of 265 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 106 millimeters. | ||||||

R |
| ||||||

21 | The tire size was designed to fit rims or wheels that are 21 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. | ||||||

## 295/35R21 103(Rear)

### Simplified Size: 295-35-21

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Porsche Macan is **265/40R21 101Y (Front)**. A color-coded explanation of the 2018 Porsche Macan'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. | ||||||

R |
| ||||||

21 | The tire size was designed to fit rims or wheels that are 21 inches in diameter. | ||||||

103 | |||||||