185/60R16 vs 215/45R17 tire size
215/45R17 vs 185/60R16, diameter
-0.5% shorter
- Speedometer
- 60.3 mph
- At a true 60 mph
- Diameter
- 24.62 in
- Was 24.74 in
- Revs per mile
- 819
- Was 815
- 3% guideline
- Within
Car built for 185/60R16, now on 215/45R17.
185/60R16 and 215/45R17
| Measure | 185/60R16 | 215/45R17 | Difference |
|---|---|---|---|
| Width, mm | 185 | 215 | +30 |
| Sidewall, % of width | 60 | 45 | -15 |
| Rim, in | 16 | 17 | +1 |
| Section height, in | 4.37 | 3.81 | -0.56 |
| Diameter, in | 24.74 | 24.62 | -0.12 (-0.5%) |
| Circumference, in | 77.7 | 77.3 | -0.4 |
| Revs per mile | 815 | 819 | +4 (+0.5%) |
Fitting 215/45R17 instead of 185/60R16
Within the usual 3% diameter guideline.
- Needs 17 in wheels.
- 30 mm wider. Check rubbing at full lock.
- Shorter sidewall: 0.6 in less.
Cars with 185/60R16
Cars with 215/45R17
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