275/50R19 vs 265/55R19
265/55R19 is a safe swap for 275/50R19 by the usual ±3% rule: the diameter differs by +2.18%.
Speedometer and odometer
With 265/55R19 on a car calibrated for 275/50R19, the speedometer reads 58.7 mph when you're really doing 60, and the odometer under-counts by 2.2%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 30.7 mph |
| 45 mph | 46.0 mph |
| 60 mph | 61.3 mph |
| 70 mph | 71.5 mph |
| 80 mph | 81.7 mph |
Other sizes close to 275/50R19
- 275/50R19 vs 235/55R19-2.18%
- 275/50R19 vs 255/50R19-2.64%
- 275/50R19 vs 245/60R18-0.84%
- 275/50R19 vs 255/50R20+0.71%
- 275/50R19 vs 235/65R18+0.67%
- 275/50R19 vs 245/50R20-0.61%
- 275/50R19 vs 275/45R20-0.28%
- 275/50R19 vs 225/55R19-3.63%
- 275/50R19 vs 245/55R19-0.73%
- 275/50R19 vs 255/55R19+0.73%
- 275/50R19 vs 255/60R19+4.09%
- 275/50R19 vs 265/50R19-1.32%
Questions
Can I replace 275/50R19 with 265/55R19?
265/55R19 is a safe swap for 275/50R19 by the usual ±3% rule: the diameter differs by +2.18%.
What's the difference between 275/50R19 and 265/55R19?
265/55R19 is 0.65" taller and 10 mm narrower; the sidewall is +0.32". At an indicated 60 mph you'd actually be doing 61.3 mph.
Will 265/55R19 fit on 275/50R19 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.