Comparison of tire sizes 165/65 R13 and 155/65 R13
165/65R13
165
Tire width 
65
Profile height 
R13
Tire diameter 
584
RPM per km 165mm107mm545mm1711mm
165
65
13
155
65
13
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 545 | 532 | -13 (-2.4%) | ||
| Width, mm | 165 | 155 | -10 (-6.1%) | ||
| Circumference, mm | 1711 | 1670 | -41 (-2.4%) | ||
| Profile height, mm | 107 | 101 | -6 (-5.6%) | ||
| RPM per km | 584 | 599 | +15 (+2.6%) | ||
| Clearance change, mm | -7 | ||||
| Result: | The diameter differs by -2.4%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 97.6 |
| Difference (km/h) | -2.4 |
Sizes for comparison of tires 165/65 R13
R13
R14 +1
R15 +2
Sizes for comparison of tires 155/65 R13
R13
R12 -1
R14 +1