# 2018 Honda Civic Tire Size

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

## How to Determine Rim Size

Check your existing tires. Your Honda Civic'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.

## 16-Inch Rims

### 2018 Honda Civic

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

Trim Options:

### EX SedanLX HatchbackLX Sedan & CoupeLX-P Coupe

## 215/55R16 93

### Simplified Size: 215-55-16

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Honda Civic is **215/55R16 93H**. A color-coded explanation of the 2018 Honda Civic's tire size is shown below.

215 | This number indicates that your tire has a width of 215 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 118 millimeters. | ||||||

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

16 | The tire size was designed to fit rims or wheels that are 16 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. | ||||||

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. |

## 17-Inch Rims

### 2018 Honda Civic

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

Trim Options:

### EX HatchbackEX-LEX-T Sedan & CoupeLX HatchbackTouring Sedan & Coupe

## 215/50R17 91

### Simplified Size: 215-50-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Honda Civic is **215/50R17 91H**. A color-coded explanation of the 2018 Honda Civic's tire size is shown below.

215 | This number indicates that your tire has a width of 215 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 107 millimeters. | ||||||

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

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

91 | This tire has a load index of 91, which means it's capable of carrying a load of 1353 pounds (615 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 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

### 2018 Honda Civic

There are multiple tire sizes for your 2018 Honda Civic 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 Honda Civic.

Trim Options:

### Si Sedan & CoupeSport HatchbackSport Touring

## 235/40R18 91

### Simplified Size: 235-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Honda Civic is **235/40R18 91W**. A color-coded explanation of the 2018 Honda Civic's tire size is shown below.

235 | This number indicates that your tire has a width of 235 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 94 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. | ||||||

91 | This tire has a load index of 91, which means it's capable of carrying a load of 1353 pounds (615 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:

### Si Sedan & Coupe

## 235/40R18/XL 95

### Simplified Size: 235-40-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Honda Civic is **235/40R18/XL 95Y**. A color-coded explanation of the 2018 Honda Civic's tire size is shown below.

235 | This number indicates that your tire has a width of 235 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 94 millimeters. | ||||||

R |
| ||||||

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. | ||||||

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. | ||||||

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 Honda Civic

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

Trim Options:

### Type-R

## 245/30ZR20/XL 90

### Simplified Size: 245-30-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Honda Civic is **245/30ZR20/XL 90Y**. A color-coded explanation of the 2018 Honda Civic's tire size is shown below.

245 | This number indicates that your tire has a width of 245 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 73 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 |
| ||||||

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. | ||||||

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. |