Comparison of tire sizes 265/70 R16 and 255/65 R16
265/70R16
265
Tire width 
70
Profile height 
R16
Tire diameter 
409
RPM per km 265mm186mm777mm2442mm
265
70
16
255
65
16
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 777 | 738 | -39 (-5%) | ||
| Width, mm | 265 | 255 | -10 (-3.8%) | ||
| Circumference, mm | 2442 | 2318 | -124 (-5.1%) | ||
| Profile height, mm | 186 | 166 | -20 (-10.8%) | ||
| RPM per km | 409 | 431 | +22 (+5.4%) | ||
| Clearance change, mm | -20 | ||||
| Result: | The diameter differs by -5%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 94.9 |
| Difference (km/h) | -5.1 |
Sizes for comparison of tires 265/70 R16
R16
R15 -1
R17 +1
R18 +2
Sizes for comparison of tires 255/65 R16
R16
R15 -1
R17 +1
R18 +2