Comparison of tire sizes 245/70 R17 and 265/65 R17
245/70R17
245
Tire width 
70
Profile height 
R17
Tire diameter 
411
RPM per km 245mm172mm775mm2434mm
245
70
17
265
65
17
| Parameters Sizes | Old | New | |||
|---|---|---|---|---|---|
| Diameter, mm | 775 | 776 | +1 (+0.1%) | ||
| Width, mm | 245 | 265 | +20 (+8.2%) | ||
| Circumference, mm | 2434 | 2439 | +5 (+0.2%) | ||
| Profile height, mm | 172 | 172 | 0 (0%) | ||
| RPM per km | 411 | 410 | -1 (-0.2%) | ||
| Clearance change, mm | +1 | ||||
| Result: | The diameter differs by 0.1%. | ||||
| Speedometer reading (km/h) | |
|---|---|
| Real speed (km/h) | 100.2 |
| Difference (km/h) | 0.2 |
Sizes for comparison of tires 245/70 R17
R17
R16 -1
R18 +1
R15 -2
R19 +2
Sizes for comparison of tires 265/65 R17
R17
R16 -1
R18 +1
R15 -2
R19 +2
