Comparison of tire sizes 175/60 R15 and 165/70 R14
175/60R15
175
Tire width 
60
Profile height 
R15
Tire diameter 
539
RPM per km 175mm105mm591mm1857mm
175
60
15
165
70
14
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 591 | 587 | -4 (-0.7%) | ||
| Width, mm | 175 | 165 | -10 (-5.7%) | ||
| Circumference, mm | 1857 | 1843 | -14 (-0.8%) | ||
| Profile height, mm | 105 | 115 | +10 (+9.5%) | ||
| RPM per km | 539 | 543 | +4 (+0.7%) | ||
| Clearance change, mm | -2 | ||||
| Result: | The diameter differs by -0.7%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 99.2 |
| Difference (km/h) | -0.8 |
Sizes for comparison of tires 175/60 R15
R15
R14 -1
R16 +1
R13 -2
R17 +2
Sizes for comparison of tires 165/70 R14
R14
R13 -1
R15 +1
R16 +2
