The 255/65R17 is a common tire size for SUVs and crossovers such as Toyota RAV4, Honda CR-V, and Ford Explorer.
With a 165.8 mm sidewall (65% 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 225/50R17, this tire's overall diameter differs by +16.2% — a speedometer calibrated for 225/50R17 would read 86.0 km/h at an actual 100 km/h.
When replacing, verify that your wheel well can accommodate the 763.3 mm overall diameter. Keep speedometer deviation within ±3% for safety and legal compliance.
| Tire Code | 255/65R17 |
| Section Width | 255 mm |
| Aspect Ratio | 65% |
| Rim Diameter | 17" |
| Sidewall Height | 165.8 mm |
| Overall Diameter | 763.3 mm / 30.05" |
| Circumference | 2398.0 mm / 94.41" |
| Revolutions per km | 417.0 |
| Revolutions per mile | 671.1 |
| Tire Code | OD (mm) | Δ mm | Δ % | Speedo at 100 km/h |
|---|---|---|---|---|
| 255/60R17 | 737.8 | -25.5 | -3.3% | 103.5 |
| 245/65R17 | 750.3 | -13.0 | -1.7% | 101.7 |
| 255/65R17 (current) | 763.3 | — | — | 100.0 |
| 265/65R17 | 776.3 | +13.0 | +1.7% | 98.3 |