265/35R19 vs 225/45R19
225/45R19 is a safe swap for 265/35R19 by the usual ±3% rule: the diameter differs by +2.54%.
Speedometer and odometer
With 225/45R19 on a car calibrated for 265/35R19, the speedometer reads 58.5 mph when you're really doing 60, and the odometer under-counts by 2.5%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 30.8 mph |
| 45 mph | 46.1 mph |
| 60 mph | 61.5 mph |
| 70 mph | 71.8 mph |
| 80 mph | 82.0 mph |
Other sizes close to 265/35R19
- 265/35R19 vs 235/45R18+0.09%
- 265/35R19 vs 245/40R19+1.57%
- 265/35R19 vs 235/40R19+0.37%
- 265/35R19 vs 255/40R19+2.77%
- 265/35R19 vs 255/35R19-1.05%
- 265/35R19 vs 275/35R19+1.05%
- 265/35R19 vs 245/35R19-2.10%
- 265/35R19 vs 225/40R19-0.82%
- 265/35R19 vs 235/35R19-3.14%
- 265/35R19 vs 285/35R19+2.10%
- 265/35R19 vs 235/45R19+3.89%
- 265/35R19 vs 275/30R20+0.73%
Questions
Can I replace 265/35R19 with 225/45R19?
225/45R19 is a safe swap for 265/35R19 by the usual ±3% rule: the diameter differs by +2.54%.
What's the difference between 265/35R19 and 225/45R19?
225/45R19 is 0.67" taller and 40 mm narrower; the sidewall is +0.33". At an indicated 60 mph you'd actually be doing 61.5 mph.
Will 225/45R19 fit on 265/35R19 wheels?
Both use a 19" rim, so the wheel diameter matches; check the wheel's width range for a 225 mm tire and the fender clearance.