255/55R19 vs 255/60R19
255/60R19 is outside the ±3% rule as a replacement for 255/55R19: the diameter differs by +3.34%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.
Speedometer and odometer
With 255/60R19 on a car calibrated for 255/55R19, the speedometer reads 58.1 mph when you're really doing 60, and the odometer under-counts by 3.3%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 31.0 mph |
| 45 mph | 46.5 mph |
| 60 mph | 62.0 mph |
| 70 mph | 72.3 mph |
| 80 mph | 82.7 mph |
Other sizes close to 255/55R19
- 255/55R19 vs 235/55R19-2.88%
- 255/55R19 vs 255/50R19-3.34%
- 255/55R19 vs 255/50R20-0.01%
- 255/55R19 vs 235/65R18-0.05%
- 255/55R19 vs 275/45R20-1.00%
- 255/55R19 vs 225/55R19-4.32%
- 255/55R19 vs 235/55R20+0.45%
- 255/55R19 vs 245/55R19-1.44%
- 255/55R19 vs 265/50R19-2.03%
- 255/55R19 vs 245/50R19-4.65%
- 255/55R19 vs 255/60R18+0.01%
- 255/55R19 vs 275/55R19+2.88%
Questions
Can I replace 255/55R19 with 255/60R19?
255/60R19 is outside the ±3% rule as a replacement for 255/55R19: the diameter differs by +3.34%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.
What's the difference between 255/55R19 and 255/60R19?
255/60R19 is 1.00" taller and 0 mm wider; the sidewall is +0.50". At an indicated 60 mph you'd actually be doing 62.0 mph.
Will 255/60R19 fit on 255/55R19 wheels?
Both use a 19" rim, so the wheel diameter matches; check the wheel's width range for a 255 mm tire and the fender clearance.