215/55R16 vs 205/65R15
205/65R15 is a safe swap for 215/55R16 by the usual ±3% rule: the diameter differs by +0.72%.
Speedometer and odometer
With 205/65R15 on a car calibrated for 215/55R16, the speedometer reads 59.6 mph when you're really doing 60, and the odometer under-counts by 0.7%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 30.2 mph |
| 45 mph | 45.3 mph |
| 60 mph | 60.4 mph |
| 70 mph | 70.5 mph |
| 80 mph | 80.6 mph |
Other sizes close to 215/55R16
- 215/55R16 vs 205/55R16-1.71%
- 215/55R16 vs 205/50R17-0.95%
- 215/55R16 vs 215/50R17+0.61%
- 215/55R16 vs 235/45R17+0.06%
- 215/55R16 vs 215/60R16+3.34%
- 215/55R16 vs 205/60R16+1.48%
- 215/55R16 vs 205/65R16+4.67%
- 215/55R16 vs 195/55R16-3.42%
- 215/55R16 vs 225/50R16-1.79%
- 215/55R16 vs 205/50R16-4.90%
- 215/55R16 vs 225/55R16+1.71%
- 215/55R16 vs 215/60R15-0.61%
Questions
Can I replace 215/55R16 with 205/65R15?
205/65R15 is a safe swap for 215/55R16 by the usual ±3% rule: the diameter differs by +0.72%.
What's the difference between 215/55R16 and 205/65R15?
205/65R15 is 0.18" taller and 10 mm narrower; the sidewall is +0.59". At an indicated 60 mph you'd actually be doing 60.4 mph.
Will 205/65R15 fit on 215/55R16 wheels?
No — 215/55R16 needs a 16" wheel and 205/65R15 a 15" wheel. This is a plus/minus-size swap that changes wheels too.