185/65R15 vs 175/60R16 tire size
175/60R16 vs 185/65R15, diameter
-0.8% shorter
- Speedometer
- 60.5 mph
- At a true 60 mph
- Diameter
- 24.27 in
- Was 24.47 in
- Revs per mile
- 831
- Was 824
- 3% guideline
- Within
Car built for 185/65R15, now on 175/60R16.
185/65R15 and 175/60R16
| Measure | 185/65R15 | 175/60R16 | Difference |
|---|---|---|---|
| Width, mm | 185 | 175 | -10 |
| Sidewall, % of width | 65 | 60 | -5 |
| Rim, in | 15 | 16 | +1 |
| Section height, in | 4.73 | 4.13 | -0.60 |
| Diameter, in | 24.47 | 24.27 | -0.20 (-0.8%) |
| Circumference, in | 76.9 | 76.2 | -0.6 |
| Revs per mile | 824 | 831 | +7 (+0.8%) |
Fitting 175/60R16 instead of 185/65R15
Within the usual 3% diameter guideline.
- Needs 16 in wheels.
- Shorter sidewall: 0.6 in less.
Cars with 185/65R15
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