Comparison of tire sizes 195/65 R15 and 195/70 R15
195/65R15
195
Tire width 
65
Profile height 
R15
Tire diameter 
502
RPM per km 195mm127mm635mm1993mm
195
65
15
195
70
15
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 635 | 654 | +19 (+3%) | ||
| Width, mm | 195 | 195 | 0 (0%) | ||
| Circumference, mm | 1993 | 2055 | +62 (+3.1%) | ||
| Profile height, mm | 127 | 137 | +10 (+7.9%) | ||
| RPM per km | 502 | 487 | -15 (-3%) | ||
| Clearance change, mm | +10 | ||||
| Result: | The diameter differs by 3%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 103.1 |
| Difference (km/h) | 3.1 |
Sizes for comparison of tires 195/65 R15
R15
R14 -1
R16 +1
R17 +2
Sizes for comparison of tires 195/70 R15
R15
R14 -1
R16 +1
R17 +2
