Comparison of tire sizes 165/55 R14 and 135/80 R13
165/55R14
165
Tire width 
55
Profile height 
R14
Tire diameter 
593
RPM per km 165mm91mm537mm1687mm
165
55
14
135
80
13
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 537 | 546 | +9 (+1.7%) | ||
| Width, mm | 165 | 135 | -30 (-18.2%) | ||
| Circumference, mm | 1687 | 1716 | +29 (+1.7%) | ||
| Profile height, mm | 91 | 108 | +17 (+18.7%) | ||
| RPM per km | 593 | 583 | -10 (-1.7%) | ||
| Clearance change, mm | +5 | ||||
| Result: | The diameter differs by 1.7%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 101.7 |
| Difference (km/h) | 1.7 |
Sizes for comparison of tires 165/55 R14
R14
R13 -1
R15 +1
R12 -2
Sizes for comparison of tires 135/80 R13
R13
R14 +1
R15 +2
