Comparison of tire sizes 175/65 R13 and 155/65 R14
175/65R13
175
Tire width 
65
Profile height 
R13
Tire diameter 
571
RPM per km 175mm114mm558mm1752mm
175
65
13
155
65
14
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 558 | 557 | -1 (-0.2%) | ||
| Width, mm | 175 | 155 | -20 (-11.4%) | ||
| Circumference, mm | 1752 | 1750 | -2 (-0.1%) | ||
| Profile height, mm | 114 | 101 | -13 (-11.4%) | ||
| RPM per km | 571 | 571 | 0 (0%) | ||
| Clearance change, mm | -1 | ||||
| Result: | The diameter differs by -0.2%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 99.9 |
| Difference (km/h) | -0.1 |
Sizes for comparison of tires 175/65 R13
R13
R14 +1
R15 +2
Sizes for comparison of tires 155/65 R14
R14
R13 -1
R15 +1
R16 +2
