The 185/60R15 is a common tire size for compact and economy vehicles such as Honda Fit, Toyota Yaris, and Kia Rio.
With a 111.0 mm sidewall (60% aspect ratio), this tire provides a smooth, cushioned ride that absorbs road imperfections well — ideal for daily commuting and highway cruising.
Compared to the baseline 195/65R15, this tire's overall diameter differs by -5.0% — a speedometer calibrated for 195/65R15 would read 105.2 km/h at an actual 100 km/h.
When replacing, verify that your wheel well can accommodate the 603.0 mm overall diameter. Keep speedometer deviation within ±3% for safety and legal compliance.
| Tire Code | 185/60R15 |
| Section Width | 185 mm |
| Aspect Ratio | 60% |
| Rim Diameter | 15" |
| Sidewall Height | 111.0 mm |
| Overall Diameter | 603.0 mm / 23.74" |
| Circumference | 1894.4 mm / 74.58" |
| Revolutions per km | 527.9 |
| Revolutions per mile | 849.5 |
| Tire Code | OD (mm) | Δ mm | Δ % | Speedo at 100 km/h |
|---|---|---|---|---|
| 185/60R15 (current) | 603.0 | — | — | 100.0 |
| 195/60R15 | 615.0 | +12.0 | +2.0% | 98.0 |
| 185/65R15 | 621.5 | +18.5 | +3.1% | 97.0 |
| 205/60R15 | 627.0 | +24.0 | +4.0% | 96.2 |
| 185/70R15 | 640.0 | +37.0 | +6.1% | 94.2 |