205/55R17 vs 215/55R17
215/55R17 is a safe swap for 205/55R17 by the usual ±3% rule: the diameter differs by +1.67%.
Speedometer and odometer
With 215/55R17 on a car calibrated for 205/55R17, the speedometer reads 59.0 mph when you're really doing 60, and the odometer under-counts by 1.7%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 30.5 mph |
| 45 mph | 45.8 mph |
| 60 mph | 61.0 mph |
| 70 mph | 71.2 mph |
| 80 mph | 81.3 mph |
Other sizes close to 205/55R17
- 205/55R17 vs 225/45R17-3.50%
- 205/55R17 vs 225/45R18+0.37%
- 205/55R17 vs 245/40R18-0.62%
- 205/55R17 vs 225/50R17-0.08%
- 205/55R17 vs 225/55R17+3.35%
- 205/55R17 vs 215/45R17-4.87%
- 205/55R17 vs 205/50R17-3.12%
- 205/55R17 vs 215/50R17-1.60%
- 205/55R17 vs 235/45R17-2.13%
- 205/55R17 vs 245/45R17-0.76%
- 205/55R17 vs 205/60R16-0.75%
- 205/55R17 vs 255/40R18+0.59%
Questions
Can I replace 205/55R17 with 215/55R17?
215/55R17 is a safe swap for 205/55R17 by the usual ±3% rule: the diameter differs by +1.67%.
What's the difference between 205/55R17 and 215/55R17?
215/55R17 is 0.43" taller and 10 mm wider; the sidewall is +0.22". At an indicated 60 mph you'd actually be doing 61.0 mph.
Will 215/55R17 fit on 205/55R17 wheels?
Both use a 17" rim, so the wheel diameter matches; check the wheel's width range for a 215 mm tire and the fender clearance.