215/55R16 vs 225/45R17 tire size
225/45R17 vs 215/55R16, diameter
-1.3% shorter
- Speedometer
- 60.8 mph
- At a true 60 mph
- Diameter
- 24.97 in
- Was 25.31 in
- Revs per mile
- 808
- Was 797
- 3% guideline
- Within
Car built for 215/55R16, now on 225/45R17.
215/55R16 and 225/45R17
| Measure | 215/55R16 | 225/45R17 | Difference |
|---|---|---|---|
| Width, mm | 215 | 225 | +10 |
| Sidewall, % of width | 55 | 45 | -10 |
| Rim, in | 16 | 17 | +1 |
| Section height, in | 4.66 | 3.99 | -0.67 |
| Diameter, in | 25.31 | 24.97 | -0.34 (-1.3%) |
| Circumference, in | 79.5 | 78.5 | -1.1 |
| Revs per mile | 797 | 808 | +11 (+1.4%) |
Fitting 225/45R17 instead of 215/55R16
Within the usual 3% diameter guideline.
- Needs 17 in wheels.
- Shorter sidewall: 0.7 in less.
Cars with 215/55R16
Cars with 225/45R17
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