255/60R18 vs 265/55R19 tire size
265/55R19 vs 255/60R18, diameter
+1.4% taller
- Speedometer
- 59.2 mph
- At a true 60 mph
- Diameter
- 30.48 in
- Was 30.05 in
- Revs per mile
- 662
- Was 671
- 3% guideline
- Within
Car built for 255/60R18, now on 265/55R19.
255/60R18 and 265/55R19
| Measure | 255/60R18 | 265/55R19 | Difference |
|---|---|---|---|
| Width, mm | 255 | 265 | +10 |
| Sidewall, % of width | 60 | 55 | -5 |
| Rim, in | 18 | 19 | +1 |
| Section height, in | 6.02 | 5.74 | -0.29 |
| Diameter, in | 30.05 | 30.48 | +0.43 (+1.4%) |
| Circumference, in | 94.4 | 95.7 | +1.3 |
| Revs per mile | 671 | 662 | -9 (-1.4%) |
Fitting 265/55R19 instead of 255/60R18
Within the usual 3% diameter guideline.
- Needs 19 in wheels.
Cars with 255/60R18
Cars with 265/55R19
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