Comparison of tire sizes 275/40 R17 and 265/35 R19
275/40R17
275
Tire width 
40
Profile height 
R17
Tire diameter 
488
RPM per km 275mm110mm652mm2048mm
275
40
17
265
35
19
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 652 | 668 | +16 (+2.5%) | ||
| Width, mm | 275 | 265 | -10 (-3.6%) | ||
| Circumference, mm | 2048 | 2099 | +51 (+2.5%) | ||
| Profile height, mm | 110 | 93 | -17 (-15.5%) | ||
| RPM per km | 488 | 476 | -12 (-2.5%) | ||
| Clearance change, mm | +8 | ||||
| Result: | The diameter differs by 2.5%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 102.5 |
| Difference (km/h) | 2.5 |
Sizes for comparison of tires 275/40 R17
R17
R16 -1
R18 +1
R19 +2
Sizes for comparison of tires 265/35 R19
R19
R18 -1
R20 +1
R17 -2
R21 +2
