225/75R16 vs 245/65R17 tire size
245/65R17 vs 225/75R16, diameter
+0.9% taller
- Speedometer
- 59.5 mph
- At a true 60 mph
- Diameter
- 29.54 in
- Was 29.29 in
- Revs per mile
- 683
- Was 689
- 3% guideline
- Within
Car built for 225/75R16, now on 245/65R17.
225/75R16 and 245/65R17
| Measure | 225/75R16 | 245/65R17 | Difference |
|---|---|---|---|
| Width, mm | 225 | 245 | +20 |
| Sidewall, % of width | 75 | 65 | -10 |
| Rim, in | 16 | 17 | +1 |
| Section height, in | 6.64 | 6.27 | -0.37 |
| Diameter, in | 29.29 | 29.54 | +0.25 (+0.9%) |
| Circumference, in | 92.0 | 92.8 | +0.8 |
| Revs per mile | 689 | 683 | -6 (-0.9%) |
Fitting 245/65R17 instead of 225/75R16
Within the usual 3% diameter guideline.
- Needs 17 in wheels.
- 20 mm wider. Check rubbing at full lock.
Cars with 225/75R16
Cars with 245/65R17
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