265/75R16 vs 255/70R17 tire size
255/70R17 vs 265/75R16, diameter
-1.9% shorter
- Speedometer
- 61.1 mph
- At a true 60 mph
- Diameter
- 31.06 in
- Was 31.65 in
- Revs per mile
- 649
- Was 637
- 3% guideline
- Within
Car built for 265/75R16, now on 255/70R17.
265/75R16 and 255/70R17
| Measure | 265/75R16 | 255/70R17 | Difference |
|---|---|---|---|
| Width, mm | 265 | 255 | -10 |
| Sidewall, % of width | 75 | 70 | -5 |
| Rim, in | 16 | 17 | +1 |
| Section height, in | 7.82 | 7.03 | -0.80 |
| Diameter, in | 31.65 | 31.06 | -0.59 (-1.9%) |
| Circumference, in | 99.4 | 97.6 | -1.9 |
| Revs per mile | 637 | 649 | +12 (+1.9%) |
Fitting 255/70R17 instead of 265/75R16
Within the usual 3% diameter guideline.
- Needs 17 in wheels.
- Shorter sidewall: 0.8 in less.
Cars with 265/75R16
Cars with 255/70R17
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