Best 155/45R17 tires
No tire in this size has a score yet — too few owner reviews and tests. 1 vehicle model uses it from the factory. See the nearest sizes with rated tires.
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Nearest sizes with rated tires
Within 3% of the overall diameter, on the same rim first. Check the sizes approved for your vehicle before you switch.
155/45R17 in inches
| Overall diameter | 22.5″ |
| Section width | 6.1″ |
| Rim diameter | 17″ |
| Sidewall height | 70 mm |
| Circumference | 70.7″ |
| Revolutions per mile | 896.7 |
Revolutions per mile: how many times the tire turns in one mile, the count your speedometer is calibrated to.
What rims fit 155/45R17 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
The rim diameter is fixed at 17″; only the width can change. Rims are usually 70–90% as wide as the tire’s 6.1″ section width.
Fitted from the factory on rims: 17x5.
Cars that use 155/45R17
Fitted from the factory on at least one trim. Models with the most trims and years in this size come first.
155/45R17 — what does it mean?
| Parameter | Meaning |
|---|---|
| 155 | The first number is the section width — 155 mm, or about 6.1 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 70 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. |