2021 Kia Rio tire size
Most common factory size
P185/65R15
- Factory sizes
- 1
- Across 2 trims
- Trims with no size
- 1
- Diameter
- 24.47 in
- Revs per mile
- 824
Tire sizes by trim
Source marks: one source
| Size | Trims | Width, mm | Sidewall, % of width | Rim, in | Diameter, in | Sidewall, in | Revs per mile |
|---|---|---|---|---|---|---|---|
| P185/65R15 | All 2 trims | 185 | 65 | 15 | 24.47 | 4.73 | 824 |
What P185/65R15 means
| Part | Number | Meaning |
|---|---|---|
| Type | P | Passenger car tire. |
| Width | 185 mm | Tread width. 7.3 in. |
| Sidewall | 65 | Sidewall height is 65% of the width. |
| Construction | R | Radial tire. |
| Rim | 15 in | Fits 15 in wheels. |
Other sizes that fit
Within 3% of the stock diameter. A common shop guideline, not a maker spec.
| Size | Rim, in | Diameter, in | Change | Speedo reads at 60 mph |
|---|---|---|---|---|
| 195/55R16 | 16 | 24.44 | -0.1% | 60.1 mph |
| 175/60R16 | 16 | 24.27 | -0.8% | 60.5 mph |
| 205/60R15 | 15 | 24.69 | +0.9% | 59.5 mph |
| 195/60R15 | 15 | 24.21 | -1.0% | 60.6 mph |
| 185/60R16 | 16 | 24.74 | +1.1% | 59.3 mph |
| 205/50R16 | 16 | 24.07 | -1.6% | 61.0 mph |
| 205/55R16 | 16 | 24.88 | +1.7% | 59.0 mph |
| 185/55R16 | 16 | 24.01 | -1.9% | 61.1 mph |
Checked against 292 factory sizes listed for 2009-2027 US models.
What this cannot tell you
Tire pressure is on the driver door sticker. Not in this data.
Optional wheel packages may differ.
- Two or more sources agree
- One source
- Model-level or estimate
- Sources differ