158Best 175/55 R15 tires
5 rated tires available in this size, scored on dry, wet, snow, comfort and wear. Top overall right now is the Bridgestone Ecopia H/L 422 Plus at 58/100.
22.6″
overall diameter
6.9″
section width
15″
rim diameter
893.2
revs per mile
Best 175/55 R15 all-season tires
2158
271Best 175/55 R15 summer tires
2
169
262Best 175/55 R15 winter tires
1
175Conversion
175/55 R15 in inches
| Overall diameter | 22.6″ |
| Section width | 6.9″ |
| Rim diameter | 15″ |
| Sidewall height | 96 mm |
| Circumference | 70.9″ |
| Revolutions per mile | 893.2 |
The closest flotation size is 26x10R15 — 15.2% taller and 45.1% wider. Compare them in the calculator.
Wheels
What rims fit 175/55 R15 tires?
A tire fits a range of rim widths. Too narrow or too wide and the sidewall changes shape.
Minimum
5″
Ideal
5.5″
Maximum
6″
Rim diameter is fixed at 15″ — only the width varies. Estimated from the 6.9″ section width (70–90% rule).
Fitted from the factory on rims: 15x5, 15x5.5, 15x6, 15x6.5.
Popular comparisons
Sizes often compared with 175/55 R15
Close alternatives — each opens in the tire size calculator.
Sidewall
175/55 R15 — what does it mean?
| Parameter | Meaning |
|---|---|
| 175 | The first number is the section width — 175 mm, or about 6.9 inches across the widest part of the tire. |
| 55 | The second number is the aspect ratio: sidewall height as a percentage of width. At 55%, the sidewall is about 96 mm tall. |
| R15 | R means radial construction, which nearly all modern tires use. The number is the rim diameter in inches — this tire fits a 15-inch wheel. |