215/55R16 vs 245/45R17 tire size
245/45R17 vs 215/55R16, diameter
+1.5% taller
- Speedometer
- 59.1 mph
- At a true 60 mph
- Diameter
- 25.68 in
- Was 25.31 in
- Revs per mile
- 785
- Was 797
- 3% guideline
- Within
Car built for 215/55R16, now on 245/45R17.
215/55R16 and 245/45R17
| Measure | 215/55R16 | 245/45R17 | Difference |
|---|---|---|---|
| Width, mm | 215 | 245 | +30 |
| Sidewall, % of width | 55 | 45 | -10 |
| Rim, in | 16 | 17 | +1 |
| Section height, in | 4.66 | 4.34 | -0.31 |
| Diameter, in | 25.31 | 25.68 | +0.37 (+1.5%) |
| Circumference, in | 79.5 | 80.7 | +1.2 |
| Revs per mile | 797 | 785 | -11 (-1.4%) |
Fitting 245/45R17 instead of 215/55R16
Within the usual 3% diameter guideline.
- Needs 17 in wheels.
- 30 mm wider. Check rubbing at full lock.
Cars with 215/55R16
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