175/65R15 vs 215/60R15
215/60R15 is outside the ±3% rule as a replacement for 175/65R15: the diameter differs by +5.01%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.
Speedometer and odometer
With 215/60R15 on a car calibrated for 175/65R15, the speedometer reads 57.1 mph when you're really doing 60, and the odometer under-counts by 5.0%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 31.5 mph |
| 45 mph | 47.3 mph |
| 60 mph | 63.0 mph |
| 70 mph | 73.5 mph |
| 80 mph | 84.0 mph |
Other sizes close to 175/65R15
- 175/65R15 vs 195/65R15+4.27%
- 175/65R15 vs 185/65R15+2.14%
- 175/65R15 vs 185/60R15-0.90%
- 175/65R15 vs 195/60R15+1.07%
- 175/65R15 vs 205/50R16+0.48%
- 175/65R15 vs 205/50R15-3.70%
- 175/65R15 vs 195/55R15-2.14%
- 175/65R15 vs 205/60R15+3.04%
- 175/65R15 vs 185/55R15-3.94%
- 175/65R15 vs 185/55R16+0.23%
- 175/65R15 vs 225/45R15-4.11%
- 175/65R15 vs 225/50R15-0.41%
Questions
Can I replace 175/65R15 with 215/60R15?
215/60R15 is outside the ±3% rule as a replacement for 175/65R15: the diameter differs by +5.01%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.
What's the difference between 175/65R15 and 215/60R15?
215/60R15 is 1.20" taller and 40 mm wider; the sidewall is +0.60". At an indicated 60 mph you'd actually be doing 63.0 mph.
Will 215/60R15 fit on 175/65R15 wheels?
Both use a 15" rim, so the wheel diameter matches; check the wheel's width range for a 215 mm tire and the fender clearance.