215/50R17 vs 235/45R17 tire size
235/45R17 vs 215/50R17, diameter
-0.5% shorter
- Speedometer
- 60.3 mph
- At a true 60 mph
- Diameter
- 25.33 in
- Was 25.46 in
- Revs per mile
- 796
- Was 792
- 3% guideline
- Within
Car built for 215/50R17, now on 235/45R17.
215/50R17 and 235/45R17
| Measure | 215/50R17 | 235/45R17 | Difference |
|---|---|---|---|
| Width, mm | 215 | 235 | +20 |
| Sidewall, % of width | 50 | 45 | -5 |
| Rim, in | 17 | 17 | 0 |
| Section height, in | 4.23 | 4.16 | -0.07 |
| Diameter, in | 25.46 | 25.33 | -0.14 (-0.5%) |
| Circumference, in | 80.0 | 79.6 | -0.4 |
| Revs per mile | 792 | 796 | +4 (+0.5%) |
Fitting 235/45R17 instead of 215/50R17
Within the usual 3% diameter guideline.
- 20 mm wider. Check rubbing at full lock.
Cars with 215/50R17
Cars with 235/45R17
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