255/30R19 vs 295/25R19 tire size
295/25R19 vs 255/30R19, diameter
-0.9% shorter
- Speedometer
- 60.5 mph
- At a true 60 mph
- Diameter
- 24.81 in
- Was 25.02 in
- Revs per mile
- 813
- Was 806
- 3% guideline
- Within
Car built for 255/30R19, now on 295/25R19.
255/30R19 and 295/25R19
| Measure | 255/30R19 | 295/25R19 | Difference |
|---|---|---|---|
| Width, mm | 255 | 295 | +40 |
| Sidewall, % of width | 30 | 25 | -5 |
| Rim, in | 19 | 19 | 0 |
| Section height, in | 3.01 | 2.90 | -0.11 |
| Diameter, in | 25.02 | 24.81 | -0.22 (-0.9%) |
| Circumference, in | 78.6 | 77.9 | -0.7 |
| Revs per mile | 806 | 813 | +7 (+0.9%) |
Fitting 295/25R19 instead of 255/30R19
Within the usual 3% diameter guideline.
- 40 mm wider. Check rubbing at full lock.
Cars with 255/30R19
What this cannot tell you
Diameter within 3% is a common shop guideline, not a maker spec.
Load index, offset and clearance are not in this data.
- Two or more sources agree
- One source
- Model-level or estimate
- Sources differ