Comparison of tire sizes 245/70 R16 and 255/65 R16
245/70R16
245
Tire width 
70
Profile height 
R16
Tire diameter 
425
RPM per km 245mm172mm749mm2354mm
245
70
16
255
65
16
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 749 | 738 | -11 (-1.5%) | ||
| Width, mm | 245 | 255 | +10 (+4.1%) | ||
| Circumference, mm | 2354 | 2318 | -36 (-1.5%) | ||
| Profile height, mm | 172 | 166 | -6 (-3.5%) | ||
| RPM per km | 425 | 431 | +6 (+1.4%) | ||
| Clearance change, mm | -6 | ||||
| Result: | The diameter differs by -1.5%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 98.5 |
| Difference (km/h) | -1.5 |
Sizes for comparison of tires 245/70 R16
R16
R15 -1
R17 +1
R18 +2
Sizes for comparison of tires 255/65 R16
R16
R15 -1
R17 +1
R18 +2
