275/55R18 vs 235/60R19 tire size
235/60R19 vs 275/55R18, diameter
+0.6% taller
- Speedometer
- 59.6 mph
- At a true 60 mph
- Diameter
- 30.10 in
- Was 29.91 in
- Revs per mile
- 670
- Was 674
- 3% guideline
- Within
Car built for 275/55R18, now on 235/60R19.
275/55R18 and 235/60R19
| Measure | 275/55R18 | 235/60R19 | Difference |
|---|---|---|---|
| Width, mm | 275 | 235 | -40 |
| Sidewall, % of width | 55 | 60 | +5 |
| Rim, in | 18 | 19 | +1 |
| Section height, in | 5.95 | 5.55 | -0.40 |
| Diameter, in | 29.91 | 30.10 | +0.19 (+0.6%) |
| Circumference, in | 94.0 | 94.6 | +0.6 |
| Revs per mile | 674 | 670 | -4 (-0.6%) |
Fitting 235/60R19 instead of 275/55R18
Within the usual 3% diameter guideline.
- Needs 19 in wheels.
Cars with 235/60R19
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