# 2018 Toyota Sienna Tire Size

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

## How to Determine Rim Size

Check your existing tires. Your Toyota Sienna'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

### 2018 Toyota Sienna

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

Trim Options:

### LLE (FWD)XLE (FWD)

## P235/60R17 100

### Simplified Size: 235-60-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Toyota Sienna is **P235/60R17 100T**. A color-coded explanation of the 2018 Toyota Sienna's tire size is shown below.

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

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

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. |

## 18-Inch Rims

### 2018 Toyota Sienna

There are multiple tire sizes for your 2018 Toyota Sienna 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 Toyota Sienna.

Trim Options:

### Limited (FWD)

## 235/55R18 100

### Simplified Size: 235-55-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Toyota Sienna is **235/55R18 100V**. A color-coded explanation of the 2018 Toyota Sienna'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 | 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. | ||||||

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. | ||||||

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. |

Trim Options:

### LE (AWD)Limited (AWD)XLE (AWD)

## 235/55RF18 100

### Simplified Size: 235-55-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Toyota Sienna is **235/55RF18 100T**. A color-coded explanation of the 2018 Toyota Sienna'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. |

RF | The mark of RF indicates that the tire is reinforced. This means it can handle a higher inflation pressure than a standard tire, which increases its maximum load. |

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

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. |

## 19-Inch Rims

### 2018 Toyota Sienna

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

Trim Options:

### SE

## P235/50R19 99

### Simplified Size: 235-50-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2018 Toyota Sienna is **P235/50R19 99V**. A color-coded explanation of the 2018 Toyota Sienna's tire size is shown below.

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

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.
| ||||||

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

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. | ||||||

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. |