# 2005 Pontiac Montana Tire Size

Your Pontiac was manufactured with different tire sizes. To determine the best tire size for your specific 2005 Pontiac Montana, we first need to determine your rim size. Please review the information below.

## How to Determine Rim Size

Check your existing tires. Your Pontiac Montana'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.

## 15-Inch Rims

### 2005 Pontiac Montana

The original tire size for your 2005 Pontiac Montana is listed below. Tap on the box to view a color-coded explanation of your Pontiac Montana's' tire size.

## P215/70R15 97

### Simplified Size: 215-70-15

Simplified size is useful for shopping and buying tires.

The original tire size for your 2005 Pontiac Montana is **P215/70R15 97S**. A color-coded explanation of the 2005 Pontiac Montana's tire size is shown below.

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

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

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 150 millimeters. | ||||||

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

15 | The tire size was designed to fit rims or wheels that are 15 inches in diameter. | ||||||

97 | This tire has a load index of 97, which means it's capable of carrying a load of 1606 pounds (730 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 S, which means 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

## 16-Inch Rims

### 2005 Pontiac Montana

The original tire size for your 2005 Pontiac Montana is listed below. Tap on the box to view a color-coded explanation of your Pontiac Montana's' tire size.

## 225/60R16 98

### Simplified Size: 225-60-16

Simplified size is useful for shopping and buying tires.

The original tire size for your 2005 Pontiac Montana is **225/60R16 98S**. A color-coded explanation of the 2005 Pontiac Montana's tire size is shown below.

225 | This number indicates that your tire has a width of 225 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 135 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. | ||||||

98 | This tire has a load index of 98, which means it's capable of carrying a load of 1650 pounds (750 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 S, which means 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |

## 17-Inch Rims

### 2005 Pontiac Montana

The original tire size for your 2005 Pontiac Montana is listed below. Tap on the box to view a color-coded explanation of your Pontiac Montana's' tire size.

Trim Options:

### SV6

## P225/60R17 98

### Simplified Size: 225-60-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2005 Pontiac Montana is **P225/60R17 98S**. A color-coded explanation of the 2005 Pontiac Montana'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. | ||||||

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 135 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. | ||||||

98 | This tire has a load index of 98, which means it's capable of carrying a load of 1650 pounds (750 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 S, which means 111 mph (180 km/h) is the maximum speed that can be sustained for 10 minutes. A higher speed becomes dangerous. |