225/35R19 vs 285/30R19
285/30R19 is a safe swap for 225/35R19 by the usual ±3% rule: the diameter differs by +2.11%.
Speedometer and odometer
With 285/30R19 on a car calibrated for 225/35R19, the speedometer reads 58.8 mph when you're really doing 60, and the odometer under-counts by 2.1%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 30.6 mph |
| 45 mph | 45.9 mph |
| 60 mph | 61.3 mph |
| 70 mph | 71.5 mph |
| 80 mph | 81.7 mph |
Other sizes close to 225/35R19
- 225/35R19 vs 225/40R18-0.45%
- 225/35R19 vs 235/40R18+0.80%
- 225/35R19 vs 235/40R19+4.76%
- 225/35R19 vs 255/35R19+3.28%
- 225/35R19 vs 255/35R18-0.69%
- 225/35R19 vs 245/35R19+2.19%
- 225/35R19 vs 225/40R19+3.52%
- 225/35R19 vs 235/35R19+1.09%
- 225/35R19 vs 265/35R18+0.41%
- 225/35R19 vs 265/35R19+4.37%
- 225/35R19 vs 305/30R19+3.98%
- 225/35R19 vs 255/30R19-0.70%
Questions
Can I replace 225/35R19 with 285/30R19?
285/30R19 is a safe swap for 225/35R19 by the usual ±3% rule: the diameter differs by +2.11%.
What's the difference between 225/35R19 and 285/30R19?
285/30R19 is 0.53" taller and 60 mm wider; the sidewall is +0.27". At an indicated 60 mph you'd actually be doing 61.3 mph.
Will 285/30R19 fit on 225/35R19 wheels?
Both use a 19" rim, so the wheel diameter matches; check the wheel's width range for a 285 mm tire and the fender clearance.