265/30R19 vs 235/35R19
235/35R19 is a safe swap for 265/30R19 by the usual ±3% rule: the diameter differs by +0.86%.
Speedometer and odometer
With 235/35R19 on a car calibrated for 265/30R19, the speedometer reads 59.5 mph when you're really doing 60, and the odometer under-counts by 0.9%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 30.3 mph |
| 45 mph | 45.4 mph |
| 60 mph | 60.5 mph |
| 70 mph | 70.6 mph |
| 80 mph | 80.7 mph |
Other sizes close to 265/30R19
- 265/30R19 vs 225/40R18-0.69%
- 265/30R19 vs 235/40R18+0.56%
- 265/30R19 vs 235/40R19+4.52%
- 265/30R19 vs 255/35R19+3.04%
- 265/30R19 vs 255/35R18-0.92%
- 265/30R19 vs 245/35R19+1.95%
- 265/30R19 vs 225/40R19+3.27%
- 265/30R19 vs 265/35R18+0.17%
- 265/30R19 vs 265/35R19+4.13%
- 265/30R19 vs 285/30R19+1.87%
- 265/30R19 vs 225/35R19-0.23%
- 265/30R19 vs 305/30R19+3.74%
Questions
Can I replace 265/30R19 with 235/35R19?
235/35R19 is a safe swap for 265/30R19 by the usual ±3% rule: the diameter differs by +0.86%.
What's the difference between 265/30R19 and 235/35R19?
235/35R19 is 0.22" taller and 30 mm narrower; the sidewall is +0.11". At an indicated 60 mph you'd actually be doing 60.5 mph.
Will 235/35R19 fit on 265/30R19 wheels?
Both use a 19" rim, so the wheel diameter matches; check the wheel's width range for a 235 mm tire and the fender clearance.