Comparison of tire sizes 165/70 R14 and 175/70 R15
165/70R14
165
Tire width 
70
Profile height 
R14
Tire diameter 
543
RPM per km 165mm115mm587mm1843mm
165
70
14
175
70
15
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 587 | 626 | +39 (+6.6%) | ||
| Width, mm | 165 | 175 | +10 (+6.1%) | ||
| Circumference, mm | 1843 | 1967 | +124 (+6.7%) | ||
| Profile height, mm | 115 | 122 | +7 (+6.1%) | ||
| RPM per km | 543 | 508 | -35 (-6.4%) | ||
| Clearance change, mm | +20 | ||||
| Result: | The diameter differs by 6.6%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 106.7 |
| Difference (km/h) | 6.7 |
Sizes for comparison of tires 165/70 R14
R14
R13 -1
R15 +1
R16 +2
Sizes for comparison of tires 175/70 R15
R15
R14 -1
R16 +1
R13 -2
R17 +2
