Comparison of tire sizes 195/70 R13 and 185/70 R13
195/70R13
195
Tire width 
70
Profile height 
R13
Tire diameter 
528
RPM per km 195mm137mm603mm1895mm
195
70
13
185
70
13
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 603 | 589 | -14 (-2.3%) | ||
| Width, mm | 195 | 185 | -10 (-5.1%) | ||
| Circumference, mm | 1895 | 1851 | -44 (-2.3%) | ||
| Profile height, mm | 137 | 130 | -7 (-5.1%) | ||
| RPM per km | 528 | 540 | +12 (+2.3%) | ||
| Clearance change, mm | -7 | ||||
| Result: | The diameter differs by -2.3%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 97.7 |
| Difference (km/h) | -2.3 |
Sizes for comparison of tires 195/70 R13
R13
R14 +1
R15 +2
Sizes for comparison of tires 185/70 R13
R13
R14 +1
R15 +2
