225/75R16 vs 255/60R17 tire size
255/60R17 vs 225/75R16, diameter
-0.8% shorter
- Speedometer
- 60.5 mph
- At a true 60 mph
- Diameter
- 29.05 in
- Was 29.29 in
- Revs per mile
- 694
- Was 689
- 3% guideline
- Within
Car built for 225/75R16, now on 255/60R17.
225/75R16 and 255/60R17
| Measure | 225/75R16 | 255/60R17 | Difference |
|---|---|---|---|
| Width, mm | 225 | 255 | +30 |
| Sidewall, % of width | 75 | 60 | -15 |
| Rim, in | 16 | 17 | +1 |
| Section height, in | 6.64 | 6.02 | -0.62 |
| Diameter, in | 29.29 | 29.05 | -0.24 (-0.8%) |
| Circumference, in | 92.0 | 91.3 | -0.8 |
| Revs per mile | 689 | 694 | +6 (+0.8%) |
Fitting 255/60R17 instead of 225/75R16
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 225/75R16
Cars with 255/60R17
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