Comparison of tire sizes 235/65 R17 and 235/70 R17
235/65R17
235
Tire width 
65
Profile height 
R17
Tire diameter 
432
RPM per km 235mm153mm737mm2316mm
235
65
17
235
70
17
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 737 | 761 | +24 (+3.3%) | ||
| Width, mm | 235 | 235 | 0 (0%) | ||
| Circumference, mm | 2316 | 2390 | +74 (+3.2%) | ||
| Profile height, mm | 153 | 165 | +12 (+7.8%) | ||
| RPM per km | 432 | 418 | -14 (-3.2%) | ||
| Clearance change, mm | +12 | ||||
| Result: | The diameter differs by 3.3%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 103.2 |
| Difference (km/h) | 3.2 |
Sizes for comparison of tires 235/65 R17
R17
R16 -1
R18 +1
R15 -2
R19 +2
Sizes for comparison of tires 235/70 R17
R17
R16 -1
R18 +1
R15 -2
R19 +2