Comparison of tire sizes 175/60 R14 and 185/65 R13
175/60R14
175
Tire width 
60
Profile height 
R14
Tire diameter 
563
RPM per km 175mm105mm566mm1777mm
175
60
14
185
65
13
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 566 | 571 | +5 (+0.9%) | ||
| Width, mm | 175 | 185 | +10 (+5.7%) | ||
| Circumference, mm | 1777 | 1793 | +16 (+0.9%) | ||
| Profile height, mm | 105 | 120 | +15 (+14.3%) | ||
| RPM per km | 563 | 558 | -5 (-0.9%) | ||
| Clearance change, mm | +3 | ||||
| Result: | The diameter differs by 0.9%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 100.9 |
| Difference (km/h) | 0.9 |
Sizes for comparison of tires 175/60 R14
R14
R13 -1
R15 +1
R16 +2
Sizes for comparison of tires 185/65 R13
R13
R14 +1
R15 +2