215/55R18 vs 155/70R19 tire size
155/70R19 vs 215/55R18, diameter
+0.9% taller
- Speedometer
- 59.5 mph
- At a true 60 mph
- Diameter
- 27.54 in
- Was 27.31 in
- Revs per mile
- 732
- Was 738
- 3% guideline
- Within
Car built for 215/55R18, now on 155/70R19.
215/55R18 and 155/70R19
| Measure | 215/55R18 | 155/70R19 | Difference |
|---|---|---|---|
| Width, mm | 215 | 155 | -60 |
| Sidewall, % of width | 55 | 70 | +15 |
| Rim, in | 18 | 19 | +1 |
| Section height, in | 4.66 | 4.27 | -0.38 |
| Diameter, in | 27.31 | 27.54 | +0.23 (+0.9%) |
| Circumference, in | 85.8 | 86.5 | +0.7 |
| Revs per mile | 738 | 732 | -6 (-0.8%) |
Fitting 155/70R19 instead of 215/55R18
Within the usual 3% diameter guideline.
- Needs 19 in wheels.
Cars with 215/55R18
Cars with 155/70R19
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