Comparison of tire sizes 165/70 R13 and 165/65 R13

165
70
13
165
65
13
165/70R13
tire
165 Tire width
70 Profile height
R13 Tire diameter
RPM per km
tire
165mm116mm561mm1763mm567
Parameters Sizes Old New
Diameter, mm561545-16 (-2.9%)
Width, mm1651650 (0%)
Circumference, mm17631711-52 (-2.9%)
Profile height, mm116107-9 (-7.8%)
RPM per km567584+17 (+3%)
Clearance change, mm-8
Speedometer reading (km/h)97.1-2.9
Result:
The diameter differs by -2.9%.

Sizes for comparison of tires 165/70 R13

R13
R14 +1
R15 +2