# 2006 Infiniti M45 Tire Size

Your Infiniti was manufactured with different tire sizes. To determine the best tire size for your specific 2006 Infiniti M45, we first need to determine your rim size. Please review the information below.

## How to Determine Rim Size

Check your existing tires. Your Infiniti M45'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

### 2006 Infiniti M45

The original tire size for your 2006 Infiniti M45 is listed below. Tap on the box to view a color-coded explanation of your Infiniti M45's' tire size.

## P245/45R18 96

### Simplified Size: 245-45-18

Simplified size is useful for shopping and buying tires.

The original tire size for your 2006 Infiniti M45 is **P245/45R18 96V**. A color-coded explanation of the 2006 Infiniti M45's tire size is shown below.

P | This letter denotes the intended use of the tire.
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245 | This number indicates that your tire has a width of 245 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 110 millimeters. | ||||||

R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
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18 | The tire size was designed to fit rims or wheels that are 18 inches in diameter. | ||||||

96 | This tire has a load index of 96, which means it's capable of carrying a load of 1562 pounds (710 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. |

## 19-Inch Rims

### 2006 Infiniti M45

The original tire size for your 2006 Infiniti M45 is listed below. Tap on the box to view a color-coded explanation of your Infiniti M45's' tire size.

Trim Options:

### Sport

## 245/40R19 94

### Simplified Size: 245-40-19

Simplified size is useful for shopping and buying tires.

The original tire size for your 2006 Infiniti M45 is **245/40R19 94W**. A color-coded explanation of the 2006 Infiniti M45's tire size is shown below.

245 | This number indicates that your tire has a width of 245 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 98 millimeters. | ||||||

R | This letter denotes how your tire was constructed. Radial is the standard construction method for about 99% of all tires sold today.
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19 | The tire size was designed to fit rims or wheels that are 19 inches in diameter. | ||||||

94 | This tire has a load index of 94, which means it's capable of carrying a load of 1474 pounds (670 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. |