Comparison of tire sizes 135/80 R13 and 155/70 R13

135/80R13
135 Tire width
80 Profile height
R13 Tire diameter
583 RPM per km
135mm108mm546mm1716mm
135
80
13
155
70
13
Parameters Sizes Old New
Diameter, mm546547+1 (+0.2%)
Width, mm135155+20 (+14.8%)
Circumference, mm17161719+3 (+0.2%)
Profile height, mm108109+1 (+0.9%)
RPM per km583582-1 (-0.2%)
Clearance change, mm+1
Result:
The diameter differs by 0.2%.
Speedometer reading (km/h)
Real speed (km/h)100.2
Difference (km/h)0.2

Sizes for comparison of tires 135/80 R13

R13
R14 +1
R15 +2

Sizes for comparison of tires 155/70 R13

R13
R14 +1
R15 +2