Comparison of tire sizes 205/55 R14 and 185/70 R13
205/55R14
205
Tire width 
55
Profile height 
R14
Tire diameter 
548
RPM per km 205mm113mm581mm1826mm
205
55
14
185
70
13
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 581 | 589 | +8 (+1.4%) | ||
| Width, mm | 205 | 185 | -20 (-9.8%) | ||
| Circumference, mm | 1826 | 1851 | +25 (+1.4%) | ||
| Profile height, mm | 113 | 130 | +17 (+15%) | ||
| RPM per km | 548 | 540 | -8 (-1.5%) | ||
| Clearance change, mm | +4 | ||||
| Result: | The diameter differs by 1.4%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 101.4 |
| Difference (km/h) | 1.4 |
Sizes for comparison of tires 205/55 R14
R14
R13 -1
R15 +1
R16 +2
Sizes for comparison of tires 185/70 R13
R13
R14 +1
R15 +2
