265/50R19 vs 245/55R19
245/55R19 is a safe swap for 265/50R19 by the usual ±3% rule: the diameter differs by +0.60%.
Speedometer and odometer
With 245/55R19 on a car calibrated for 265/50R19, the speedometer reads 59.6 mph when you're really doing 60, and the odometer under-counts by 0.6%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 30.2 mph |
| 45 mph | 45.3 mph |
| 60 mph | 60.4 mph |
| 70 mph | 70.4 mph |
| 80 mph | 80.5 mph |
Other sizes close to 265/50R19
- 265/50R19 vs 235/55R19-0.87%
- 265/50R19 vs 255/50R19-1.34%
- 265/50R19 vs 245/60R18+0.48%
- 265/50R19 vs 245/50R20+0.72%
- 265/50R19 vs 255/45R19-4.75%
- 265/50R19 vs 225/55R19-2.34%
- 265/50R19 vs 235/50R19-4.01%
- 265/50R19 vs 255/55R19+2.07%
- 265/50R19 vs 265/45R20-0.15%
- 265/50R19 vs 245/50R19-2.68%
- 265/50R19 vs 295/40R20-0.48%
- 265/50R19 vs 285/40R19-4.95%
Questions
Can I replace 265/50R19 with 245/55R19?
245/55R19 is a safe swap for 265/50R19 by the usual ±3% rule: the diameter differs by +0.60%.
What's the difference between 265/50R19 and 245/55R19?
245/55R19 is 0.18" taller and 20 mm narrower; the sidewall is +0.09". At an indicated 60 mph you'd actually be doing 60.4 mph.
Will 245/55R19 fit on 265/50R19 wheels?
Both use a 19" rim, so the wheel diameter matches; check the wheel's width range for a 245 mm tire and the fender clearance.