215/60R16 vs 235/50R17
235/50R17 is a safe swap for 215/60R16 by the usual ±3% rule: the diameter differs by +0.36%.
Speedometer and odometer
With 235/50R17 on a car calibrated for 215/60R16, the speedometer reads 59.8 mph when you're really doing 60, and the odometer under-counts by 0.4%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 30.1 mph |
| 45 mph | 45.2 mph |
| 60 mph | 60.2 mph |
| 70 mph | 70.3 mph |
| 80 mph | 80.3 mph |
Other sizes close to 215/60R16
- 215/60R16 vs 205/55R16-4.89%
- 215/60R16 vs 215/55R17+0.59%
- 215/60R16 vs 215/55R16-3.24%
- 215/60R16 vs 215/65R16+3.24%
- 215/60R16 vs 205/60R16-1.81%
- 215/60R16 vs 205/65R16+1.28%
- 215/60R16 vs 225/60R16+1.81%
- 215/60R16 vs 225/50R16-4.97%
- 215/60R16 vs 235/60R16+3.61%
- 215/60R16 vs 225/55R16-1.58%
- 215/60R16 vs 205/70R15+0.54%
- 215/60R16 vs 205/70R16+4.36%
Questions
Can I replace 215/60R16 with 235/50R17?
235/50R17 is a safe swap for 215/60R16 by the usual ±3% rule: the diameter differs by +0.36%.
What's the difference between 215/60R16 and 235/50R17?
235/50R17 is 0.09" taller and 20 mm wider; the sidewall is -0.45". At an indicated 60 mph you'd actually be doing 60.2 mph.
Will 235/50R17 fit on 215/60R16 wheels?
No — 215/60R16 needs a 16" wheel and 235/50R17 a 17" wheel. This is a plus/minus-size swap that changes wheels too.