235/55R19 vs 265/55R19
265/55R19 is outside the ±3% rule as a replacement for 235/55R19: the diameter differs by +4.45%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.
Speedometer and odometer
With 265/55R19 on a car calibrated for 235/55R19, the speedometer reads 57.4 mph when you're really doing 60, and the odometer under-counts by 4.5%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 31.3 mph |
| 45 mph | 47.0 mph |
| 60 mph | 62.7 mph |
| 70 mph | 73.1 mph |
| 80 mph | 83.6 mph |
Other sizes close to 235/55R19
- 235/55R19 vs 235/60R18-0.26%
- 235/55R19 vs 255/45R20-0.49%
- 235/55R19 vs 255/50R19-0.47%
- 235/55R19 vs 255/55R18-0.46%
- 235/55R19 vs 255/45R19-3.91%
- 235/55R19 vs 225/55R19-1.48%
- 235/55R19 vs 235/50R19-3.17%
- 235/55R19 vs 245/55R19+1.48%
- 235/55R19 vs 255/55R19+2.97%
- 235/55R19 vs 265/45R20+0.73%
- 235/55R19 vs 265/50R19+0.88%
- 235/55R19 vs 245/50R19-1.82%
Questions
Can I replace 235/55R19 with 265/55R19?
265/55R19 is outside the ±3% rule as a replacement for 235/55R19: the diameter differs by +4.45%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.
What's the difference between 235/55R19 and 265/55R19?
265/55R19 is 1.30" taller and 30 mm wider; the sidewall is +0.65". At an indicated 60 mph you'd actually be doing 62.7 mph.
Will 265/55R19 fit on 235/55R19 wheels?
Both use a 19" rim, so the wheel diameter matches; check the wheel's width range for a 265 mm tire and the fender clearance.