Comparison of tire sizes 245/40 R19 and 235/35 R19
245/40R19
245
Tire width 
40
Profile height 
R19
Tire diameter 
469
RPM per km 245mm98mm679mm2132mm
245
40
19
235
35
19
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 679 | 647 | -32 (-4.7%) | ||
| Width, mm | 245 | 235 | -10 (-4.1%) | ||
| Circumference, mm | 2132 | 2033 | -99 (-4.6%) | ||
| Profile height, mm | 98 | 82 | -16 (-16.3%) | ||
| RPM per km | 469 | 492 | +23 (+4.9%) | ||
| Clearance change, mm | -16 | ||||
| Result: | The diameter differs by -4.7%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 95.4 |
| Difference (km/h) | -4.6 |
Sizes for comparison of tires 245/40 R19
R19
R18 -1
R20 +1
R17 -2
R21 +2
Sizes for comparison of tires 235/35 R19
R19
R18 -1
R20 +1
R17 -2