Comparison of tire sizes 245/65 R17 and 265/70 R15
245/65R17
245
Tire width 
65
Profile height 
R17
Tire diameter 
424
RPM per km 245mm159mm750mm2357mm
245
65
17
265
70
15
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 750 | 752 | +2 (+0.3%) | ||
| Width, mm | 245 | 265 | +20 (+8.2%) | ||
| Circumference, mm | 2357 | 2362 | +5 (+0.2%) | ||
| Profile height, mm | 159 | 186 | +27 (+17%) | ||
| RPM per km | 424 | 423 | -1 (-0.2%) | ||
| Clearance change, mm | +1 | ||||
| Result: | The diameter differs by 0.3%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 100.2 |
| Difference (km/h) | 0.2 |
Sizes for comparison of tires 245/65 R17
R17
R16 -1
R18 +1
R15 -2
R19 +2
Sizes for comparison of tires 265/70 R15
R15
R16 +1
R17 +2
