215/85R16 vs 285/65R16 tire size
285/65R16 vs 215/85R16, diameter
+0.6% taller
- Speedometer
- 59.6 mph
- At a true 60 mph
- Diameter
- 30.59 in
- Was 30.39 in
- Revs per mile
- 659
- Was 664
- 3% guideline
- Within
Car built for 215/85R16, now on 285/65R16.
215/85R16 and 285/65R16
| Measure | 215/85R16 | 285/65R16 | Difference |
|---|---|---|---|
| Width, mm | 215 | 285 | +70 |
| Sidewall, % of width | 85 | 65 | -20 |
| Rim, in | 16 | 16 | 0 |
| Section height, in | 7.19 | 7.29 | +0.10 |
| Diameter, in | 30.39 | 30.59 | +0.20 (+0.6%) |
| Circumference, in | 95.5 | 96.1 | +0.6 |
| Revs per mile | 664 | 659 | -4 (-0.6%) |
Fitting 285/65R16 instead of 215/85R16
Within the usual 3% diameter guideline.
- 70 mm wider. Check rubbing at full lock.
Cars with 215/85R16
Cars with 285/65R16
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