Comparison of tire sizes 155/80 R13 and 165/65 R14
155/80R13
155
Tire width
80
Profile height
R13
Tire diameter
551
RPM per km
155mm124mm578mm1816mm
155
80
13
165
65
14
Parameters Sizes | Old | New | |||
---|---|---|---|---|---|
Diameter, mm | 578 | 570 | -8 (-1.4%) | ||
Width, mm | 155 | 165 | +10 (+6.5%) | ||
Circumference, mm | 1816 | 1791 | -25 (-1.4%) | ||
Profile height, mm | 124 | 107 | -17 (-13.7%) | ||
RPM per km | 551 | 558 | +7 (+1.3%) | ||
Clearance change, mm | -4 | ||||
Result: | The diameter differs by -1.4%. |
Speedometer reading (km/h) | |
---|---|
Real speed (km/h) | 98.6 |
Difference (km/h) | -1.4 |
Sizes for comparison of tires 155/80 R13
R13
R14 +1
R15 +2
Sizes for comparison of tires 165/65 R14
R14
R13 -1
R15 +1
R16 +2