# 2019 Lexus RX350 Tire Size

Your Lexus was manufactured with different tire sizes. To determine the best tire size for your specific 2019 Lexus RX350, we first need to determine your rim size. Please review the information below.

## How to Determine Rim Size

Check your existing tires. Your Lexus RX350'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

### 2019 Lexus RX350

The original tire size for your 2019 Lexus RX350 is listed below. Tap on the box to view a color-coded explanation of your Lexus RX350's' tire size.

## 235/65R18 106

### Simplified Size: 235-65-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2019 Lexus RX350 is **235/65R18 106V**. A color-coded explanation of the 2019 Lexus RX350's tire size is shown below.

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

65 | This number means that your tire has an aspect ratio of 65%. In other words, your tire's sidewall height (from the edge of the rim to the tire's tread) is 65% of the width. In this case, the sidewall height works out to be 152 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. | ||||||

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. | ||||||

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. |

## 20-Inch Rims

### 2019 Lexus RX350

The original tire size for your 2019 Lexus RX350 is listed below. Tap on the box to view a color-coded explanation of your Lexus RX350's' tire size.

## 235/55R20 102

### Simplified Size: 235-55-20

Simplified size is useful for shopping and buying tires.

The original tire size for your 2019 Lexus RX350 is **235/55R20 102V**. A color-coded explanation of the 2019 Lexus RX350'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.
| ||||||

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

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. |