265/70R16 vs 255/65R17 tire size
255/65R17 vs 265/70R16, diameter
-1.8% shorter
- Speedometer
- 61.1 mph
- At a true 60 mph
- Diameter
- 30.05 in
- Was 30.61 in
- Revs per mile
- 671
- Was 659
- 3% guideline
- Within
Car built for 265/70R16, now on 255/65R17.
265/70R16 and 255/65R17
| Measure | 265/70R16 | 255/65R17 | Difference |
|---|---|---|---|
| Width, mm | 265 | 255 | -10 |
| Sidewall, % of width | 70 | 65 | -5 |
| Rim, in | 16 | 17 | +1 |
| Section height, in | 7.30 | 6.53 | -0.78 |
| Diameter, in | 30.61 | 30.05 | -0.56 (-1.8%) |
| Circumference, in | 96.2 | 94.4 | -1.7 |
| Revs per mile | 659 | 671 | +12 (+1.8%) |
Fitting 255/65R17 instead of 265/70R16
Within the usual 3% diameter guideline.
- Needs 17 in wheels.
- Shorter sidewall: 0.8 in less.
Cars with 265/70R16
Cars with 255/65R17
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