# 2018 Jeep Wrangler JK Tire Size

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

## How to Determine Rim Size

Check your existing tires. Your Jeep Wrangler JK'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 Jeep Wrangler JK

Your 2018 Jeep Wrangler JK 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 Jeep Wrangler JK.

Trim Options:

### SportUnlimited Sport

## P225/75R16 104

### Simplified Size: 225-75-16

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Jeep Wrangler JK is **P225/75R16 104S**. A color-coded explanation of the 2018 Jeep Wrangler JK's tire size is shown below.

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

225 | This number indicates that your tire has a width of 225 millimeters. | ||||||

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

75 | This number means that your tire has an aspect ratio of 75%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% of the width. In this case, the sidewall height works out to be 168 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 S, which means 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

Trim Options:

### SportUnlimited Sport

## P245/75R16 109

### Simplified Size: 245-75-16

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Jeep Wrangler JK is **P245/75R16 109T**. A color-coded explanation of the 2018 Jeep Wrangler JK'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. | ||||||

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

109 | This tire has a load index of 109, which means it's capable of carrying a load of 2266 pounds (1030 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

75 | This number means that your tire has an aspect ratio of 75%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% of the width. In this case, the sidewall height works out to be 183 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 T, which means 118 mph (190 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

## 17-Inch Rims

### 2018 Jeep Wrangler JK

There are multiple tire sizes for your 2018 Jeep Wrangler JK 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 Jeep Wrangler JK.

Trim Options:

### RubiconRubicon ReconUnlimited RubiconUnlimited Rubicon ReconUnlimited Willys WheelerUnlimited Willys Wheeler WWillys WheelerWillys Wheeler W

## LT255/75R17/C 111

### Simplified Size: 255-75-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Jeep Wrangler JK is **LT255/75R17/C 111Q**. A color-coded explanation of the 2018 Jeep Wrangler JK's tire size is shown below.

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

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

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

111 | This tire has a load index of 111, which means it's capable of carrying a load of 2398 pounds (1090 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

C | The mark of C denotes your tire's load range, or ply rating. A load range of C means that the tire has a ply rating of 6. Letters further along in the alphabet represent stronger tires that can sustain higher inflation pressures. Tires with higher inflation pressures can carry heavier loads. | ||||||

75 | This number means that your tire has an aspect ratio of 75%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% of the width. In this case, the sidewall height works out to be 191 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 Q, which means 99 mph (160 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

Trim Options:

### Sport SUnlimited Sport S

## LT265/70R17/C 112

### Simplified Size: 265-70-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Jeep Wrangler JK is **LT265/70R17/C 112T**. A color-coded explanation of the 2018 Jeep Wrangler JK's tire size is shown below.

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

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

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

112 | This tire has a load index of 112, which means it's capable of carrying a load of 2464 pounds (1120 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

C | The mark of C denotes your tire's load range, or ply rating. A load range of C means that the tire has a ply rating of 6. Letters further along in the alphabet represent stronger tires that can sustain higher inflation pressures. Tires with higher inflation pressures can carry heavier loads. | ||||||

70 | This number means that your tire has an aspect ratio of 70%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% of the width. In this case, the sidewall height works out to be 185 millimeters. | ||||||

R |
| ||||||

This tire has a speed rating of T, which means 118 mph (190 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

Trim Options:

### Freedom EditionGolden EagleUnlimited Freedom EditionUnlimited Golden Eagle

## P245/75R17 110

### Simplified Size: 245-75-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Jeep Wrangler JK is **P245/75R17 110T**. A color-coded explanation of the 2018 Jeep Wrangler JK'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. | ||||||

110 | This tire has a load index of 110, which means it's capable of carrying a load of 2332 pounds (1060 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

75 | This number means that your tire has an aspect ratio of 75%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% of the width. In this case, the sidewall height works out to be 183 millimeters. | ||||||

R |
| ||||||

This tire has a speed rating of T, which means 118 mph (190 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

Trim Options:

### Sport SUnlimited Sport S

## P255/75R17 113

### Simplified Size: 255-75-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Jeep Wrangler JK is **P255/75R17 113S**. A color-coded explanation of the 2018 Jeep Wrangler JK'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. | ||||||

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

113 | This tire has a load index of 113, which means it's capable of carrying a load of 2530 pounds (1150 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

75 | This number means that your tire has an aspect ratio of 75%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 75% of the width. In this case, the sidewall height works out to be 191 millimeters. | ||||||

R |
| ||||||

This tire has a speed rating of S, which means 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

## 18-Inch Rims

### 2018 Jeep Wrangler JK

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

Trim Options:

### AltitudeSaharaUnlimited AltitudeUnlimited Sahara

## P255/70R18 112

### Simplified Size: 255-70-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Jeep Wrangler JK is **P255/70R18 112S**. A color-coded explanation of the 2018 Jeep Wrangler JK'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. | ||||||

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

112 | This tire has a load index of 112, which means it's capable of carrying a load of 2464 pounds (1120 kg) or less. A higher number means the tire can carry more weight. A lower number means the opposite. | ||||||

70 | This number means that your tire has an aspect ratio of 70%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 70% of the width. In this case, the sidewall height works out to be 178 millimeters. | ||||||

R |
| ||||||

This tire has a speed rating of S, which means 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |