Comparison of tire sizes 175/70 R14 and 165/70 R14
175/70R14
175
Tire width 
70
Profile height 
R14
Tire diameter 
530
RPM per km 175mm122mm601mm1887mm
175
70
14
165
70
14
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 601 | 587 | -14 (-2.3%) | ||
| Width, mm | 175 | 165 | -10 (-5.7%) | ||
| Circumference, mm | 1887 | 1843 | -44 (-2.3%) | ||
| Profile height, mm | 122 | 115 | -7 (-5.7%) | ||
| RPM per km | 530 | 543 | +13 (+2.5%) | ||
| Clearance change, mm | -7 | ||||
| Result: | The diameter differs by -2.3%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 97.7 |
| Difference (km/h) | -2.3 |
Sizes for comparison of tires 175/70 R14
R14
R13 -1
R15 +1
R16 +2
Sizes for comparison of tires 165/70 R14
R14
R13 -1
R15 +1
R16 +2