215/60R16 vs 255/45R17 tire size
255/45R17 vs 215/60R16, diameter
-0.5% shorter
- Speedometer
- 60.3 mph
- At a true 60 mph
- Diameter
- 26.04 in
- Was 26.16 in
- Revs per mile
- 775
- Was 771
- 3% guideline
- Within
Car built for 215/60R16, now on 255/45R17.
215/60R16 and 255/45R17
| Measure | 215/60R16 | 255/45R17 | Difference |
|---|---|---|---|
| Width, mm | 215 | 255 | +40 |
| Sidewall, % of width | 60 | 45 | -15 |
| Rim, in | 16 | 17 | +1 |
| Section height, in | 5.08 | 4.52 | -0.56 |
| Diameter, in | 26.16 | 26.04 | -0.12 (-0.5%) |
| Circumference, in | 82.2 | 81.8 | -0.4 |
| Revs per mile | 771 | 775 | +4 (+0.5%) |
Fitting 255/45R17 instead of 215/60R16
Within the usual 3% diameter guideline.
- Needs 17 in wheels.
- 40 mm wider. Check rubbing at full lock.
- Shorter sidewall: 0.6 in less.
Cars with 215/60R16
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