Comparison of tire sizes 175/65 R14 and 175/65 R13
175/65R14
175
Tire width 
65
Profile height 
R14
Tire diameter 
546
RPM per km 175mm114mm583mm1832mm
175
65
14
175
65
13
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 583 | 558 | -25 (-4.3%) | ||
| Width, mm | 175 | 175 | 0 (0%) | ||
| Circumference, mm | 1832 | 1752 | -80 (-4.4%) | ||
| Profile height, mm | 114 | 114 | 0 (0%) | ||
| RPM per km | 546 | 571 | +25 (+4.6%) | ||
| Clearance change, mm | -13 | ||||
| Result: | The diameter differs by -4.3%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 95.6 |
| Difference (km/h) | -4.4 |
Sizes for comparison of tires 175/65 R14
R14
R13 -1
R15 +1
R16 +2
Sizes for comparison of tires 175/65 R13
R13
R14 +1
R15 +2
