235/70R16 vs 225/65R17 tire size
225/65R17 vs 235/70R16, diameter
-1.5% shorter
- Speedometer
- 60.9 mph
- At a true 60 mph
- Diameter
- 28.52 in
- Was 28.95 in
- Revs per mile
- 707
- Was 697
- 3% guideline
- Within
Car built for 235/70R16, now on 225/65R17.
235/70R16 and 225/65R17
| Measure | 235/70R16 | 225/65R17 | Difference |
|---|---|---|---|
| Width, mm | 235 | 225 | -10 |
| Sidewall, % of width | 70 | 65 | -5 |
| Rim, in | 16 | 17 | +1 |
| Section height, in | 6.48 | 5.76 | -0.72 |
| Diameter, in | 28.95 | 28.52 | -0.44 (-1.5%) |
| Circumference, in | 91.0 | 89.6 | -1.4 |
| Revs per mile | 697 | 707 | +11 (+1.5%) |
Fitting 225/65R17 instead of 235/70R16
Within the usual 3% diameter guideline.
- Needs 17 in wheels.
- Shorter sidewall: 0.7 in less.
Cars with 225/65R17
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