185/65R15 vs 195/65R15 tire size
195/65R15 vs 185/65R15, diameter
+2.1% taller
- Speedometer
- 58.8 mph
- At a true 60 mph
- Diameter
- 24.98 in
- Was 24.47 in
- Revs per mile
- 807
- Was 824
- 3% guideline
- Within
Car built for 185/65R15, now on 195/65R15.
185/65R15 and 195/65R15
| Measure | 185/65R15 | 195/65R15 | Difference |
|---|---|---|---|
| Width, mm | 185 | 195 | +10 |
| Sidewall, % of width | 65 | 65 | 0 |
| Rim, in | 15 | 15 | 0 |
| Section height, in | 4.73 | 4.99 | +0.26 |
| Diameter, in | 24.47 | 24.98 | +0.51 (+2.1%) |
| Circumference, in | 76.9 | 78.5 | +1.6 |
| Revs per mile | 824 | 807 | -17 (-2.0%) |
Fitting 195/65R15 instead of 185/65R15
Within the usual 3% diameter guideline.
Cars with 185/65R15
Cars with 195/65R15
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