Best 235/45 R17 tires
144 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Toyo Extensa HP II at 93/100.
Best 235/45 R17 summer tires
5644 more rated tires in this size are listed on their brand pages.
Best 235/45 R17 all-season tires
4331 more rated tires in this size are listed on their brand pages.
More top-rated 235/45 R17 tires
2816 more rated tires in this size are listed on their brand pages.
Best 235/45 R17 winter tires
175 more rated tires in this size are listed on their brand pages.
235/45 R17 in inches
| Overall diameter | 25.3″ |
| Section width | 9.3″ |
| Rim diameter | 17″ |
| Sidewall height | 106 mm |
| Circumference | 79.6″ |
| Revolutions per mile | 796.3 |
The closest flotation size is 31x10.50R17 — 22.4% taller and 13.5% wider. Compare them in the calculator.
What rims fit 235/45 R17 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Rim diameter is fixed at 17″ — only the width varies. Estimated from the 9.3″ section width (70–90% rule).
Fitted from the factory on rims: 17x7, 17x7.5, 17x8, 17x8.5, 17x9, 17x9.5, 17x10.
Sizes often compared with 235/45 R17
Close alternatives — each opens in the tire size calculator.
235/45 R17 — what does it mean?
| Parameter | Meaning |
|---|---|
| 235 | The first number is the section width — 235 mm, or about 9.3 inches across the widest part of the tire. |
| 45 | The second number is the aspect ratio: sidewall height as a percentage of width. At 45%, the sidewall is about 106 mm tall. |
| R17 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 17-inch wheel. |