205/45R17 tire size
A 205/45R17 tire is 205 mm wide with a sidewall 45% of its width (92.2 mm), fits a 17-inch rim and has an overall diameter of 616 mm (24.3 in).
| Dimension | Metric | Imperial |
|---|---|---|
| Section width | 205 mm | 8.07 in |
| Sidewall height | 92.2 mm | 3.63 in |
| Rim diameter | 431.8 mm | 17 in |
| Overall diameter | 616.3 mm | 24.26 in |
| Circumference | 1,936.2 mm | 76.23 in |
| Revolutions | 516 per km | 831 per mile |
Reading the size 205/45R17
205Width in mm45Aspect ratio (sidewall % of width)RRadial construction17Rim diameter in inches
The load index and speed rating (for example 91V) follow the size on the sidewall. Replacement tires should match or exceed the original load index and speed rating.
Alternative sizes within 3% of 205/45R17
A replacement size should stay within about 3% of the original diameter so the speedometer, ABS and transmission stay accurate. Always check clearance, load index and the vehicle manufacturer's approved sizes.
Compare 205/45R17 with any size →