1999 Porsche 911 Tire Sizes
Select a box to get your vehicle's tire size.
1999 Porsche 911 Carrera
Front Tire Size (Show Details)
205/50R17
205 |
This number indicates that your tire has a width of 205 millimeters. |
50 |
This number indicates that your tire has an aspect ratio of 50%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 50% of the width. |
R |
This letter indicates how your tire was constructed. Radial is the standard construction method for about 98% of all tires sold today.
|
17 |
The tire size was designed to fit rims that are 17 inches in diameter. |
| This tire has a speed rating of Z, which means it has been tested to travel slightly faster than 149 mph (240 km/h) for a duration of 10 minutes. |
Rear Tire Size (Show Details)
255/40R17
255 |
This number indicates that your tire has a width of 255 millimeters. |
40 |
This number indicates that your tire has an aspect ratio of 40%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width. |
R |
This letter indicates how your tire was constructed. Radial is the standard construction method for about 98% of all tires sold today.
|
17 |
The tire size was designed to fit rims that are 17 inches in diameter. |
| This tire has a speed rating of Z, which means it has been tested to travel slightly faster than 149 mph (240 km/h) for a duration of 10 minutes. |
1999 Porsche 911 Carrera 18 Inch Tire Option
Front Tire Size (Show Details)
225/40R18
225 |
This number indicates that your tire has a width of 225 millimeters. |
40 |
This number indicates that your tire has an aspect ratio of 40%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width. |
R |
This letter indicates how your tire was constructed. Radial is the standard construction method for about 98% of all tires sold today.
|
18 |
The tire size was designed to fit rims that are 18 inches in diameter. |
| This tire has a speed rating of Z, which means it has been tested to travel slightly faster than 149 mph (240 km/h) for a duration of 10 minutes. |
Rear Tire Size (Show Details)
265/35R18
265 |
This number indicates that your tire has a width of 265 millimeters. |
35 |
This number indicates that your tire has an aspect ratio of 35%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 35% of the width. |
R |
This letter indicates how your tire was constructed. Radial is the standard construction method for about 98% of all tires sold today.
|
18 |
The tire size was designed to fit rims that are 18 inches in diameter. |
| This tire has a speed rating of Z, which means it has been tested to travel slightly faster than 149 mph (240 km/h) for a duration of 10 minutes. |
1999 Porsche 911 Carrera 4
Front Tire Size (Show Details)
205/50R17
205 |
This number indicates that your tire has a width of 205 millimeters. |
50 |
This number indicates that your tire has an aspect ratio of 50%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 50% of the width. |
R |
This letter indicates how your tire was constructed. Radial is the standard construction method for about 98% of all tires sold today.
|
17 |
The tire size was designed to fit rims that are 17 inches in diameter. |
| This tire has a speed rating of Z, which means it has been tested to travel slightly faster than 149 mph (240 km/h) for a duration of 10 minutes. |
Rear Tire Size (Show Details)
255/40R17
255 |
This number indicates that your tire has a width of 255 millimeters. |
40 |
This number indicates that your tire has an aspect ratio of 40%. This means that your tire's sidewall height (from the edge of the rim to the tire's tread) is 40% of the width. |
R |
This letter indicates how your tire was constructed. Radial is the standard construction method for about 98% of all tires sold today.
|
17 |
The tire size was designed to fit rims that are 17 inches in diameter. |
| This tire has a speed rating of Z, which means it has been tested to travel slightly faster than 149 mph (240 km/h) for a duration of 10 minutes. |