What does 205/55R17 mean?
205 |
The tire width is 205mm. |
55 |
The aspect ratio of the tire is 55. Aspect ratio is the relative height of tire sidewall. The number refers to the percentage of sidewall height in relation to tire width. |
R |
The letter in the middle refers to tire construction. Practically all tires sold for cars are radials.
Sometimes you also see tires with RF or ZR. RF indicates the tire is run flat, whereas ZR means the tire has speed rating higher than V. These tires are also radials, as the R indicates. |
17 |
Rim diameter for the tire. |
205/55R17 91V tire size
The width of 205/55R17 91V tire is stated in millimeters and sidewall height in percentages. In this table you’ll find out the 205/55R17 91V tire size in inches as well as few additional metrics:
|
In inches | In millimeters |
Section Width |
8.1″ | 205mm |
Sidewall height |
4.4″ | 113mm |
Diameter / Height |
25.9″ | 657mm |
Circumference |
81.3″ | 2065mm |
Rim Diameter |
17″ | |
Revolutions |
779 per mile | 484 per kilometer |
Rim Size for 205/55R17 91V Tires
Recommended rim sizes for 205/55R17 91V tire:
Diameter | Width Range |
17″ | 5.5-7.5″ |
What does 91V mean?
The load index 91 means that the tire has been designed to support 1356 lbs or 615 kg.
The speed index V means that the tire has been designed to be used in speed up to 149 mph or 240 kph.
This size of tire is usually used on smaller vehicles, such as sedans and hatchbacks.