# 2009 Tesla Roadster Tire Size

The original tire size for your 2009 Tesla Roadster is listed below. Tap on the box to view a color-coded explanation of the best Tesla Roadster tire size.

## 175/55R16 80(Front)

### Simplified Size: 175-55-16

Simplified size is useful for shopping and buying tires.

The original tire size for your 2009 Tesla Roadster is **175/55R16 80W (Front)**. A color-coded explanation of the 2009 Tesla Roadster's tire size is shown below.

175 | This number indicates that your tire has a width of 175 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 96 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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16 | The tire size was designed to fit rims or wheels that are 16 inches in diameter. | ||||||

80 | This tire has a load index of 80, which means it's capable of carrying a load of 990 pounds (450 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. |

## 225/45R17 91(Rear)

### Simplified Size: 225-45-17

Simplified size is useful for shopping and buying tires.

The original tire size for your 2009 Tesla Roadster is **175/55R16 80W (Front)**. A color-coded explanation of the 2009 Tesla Roadster's tire size is shown below.

225 | This number indicates that your tire has a width of 225 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 101 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. | ||||||

91 | This tire has a load index of 91, which means it's capable of carrying a load of 1353 pounds (615 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. |