The 235/55R17 is a common tire size for SUVs and crossovers such as Toyota RAV4, Honda CR-V, and Ford Explorer.
With a 129.3 mm sidewall (55% aspect ratio), this tire offers a balanced blend of ride comfort and handling precision — versatile for both city driving and spirited cornering.
Compared to the baseline 225/50R17, this tire's overall diameter differs by +5.1% — a speedometer calibrated for 225/50R17 would read 95.1 km/h at an actual 100 km/h.
When replacing, verify that your wheel well can accommodate the 690.3 mm overall diameter. Keep speedometer deviation within ±3% for safety and legal compliance.
| Tire Code | 235/55R17 |
| Section Width | 235 mm |
| Aspect Ratio | 55% |
| Rim Diameter | 17" |
| Sidewall Height | 129.3 mm |
| Overall Diameter | 690.3 mm / 27.18" |
| Circumference | 2168.6 mm / 85.38" |
| Revolutions per km | 461.1 |
| Revolutions per mile | 742.1 |
| Tire Code | OD (mm) | Δ mm | Δ % | Speedo at 100 km/h |
|---|---|---|---|---|
| 235/50R17 | 666.8 | -23.5 | -3.4% | 103.5 |
| 215/55R17 | 668.3 | -22.0 | -3.2% | 103.3 |
| 225/55R17 | 679.3 | -11.0 | -1.6% | 101.6 |
| 235/55R17 (current) | 690.3 | — | — | 100.0 |
| 235/60R17 | 713.8 | +23.5 | +3.4% | 96.7 |
| 235/55R18 | 715.7 | +25.4 | +3.7% | 96.5 |
| 235/55R20 | 766.5 | +76.2 | +11.0% | 90.1 |