Tire size comparison
255/40 R17 vs 255/25 R20

Original tire size
/
R
/
R
New tire size
CM INCHES

Parameter Old New Difference
Overall diameter: - - -
Section width - - -
Circumference - - -
Sidewall height - - -
Revs per km: - - -
Clearance -
Result: -
If your speedometer reads:
Real speed is:
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Size difference between 255/40 R17 and 255/25 R20 tires.

In the tire comparison table above, you can see a detailed calculation of the size difference between 255/40 R17 and 255/25 R20 tire. The calculation results are presented in the form of visual infographics, on which tire with size 255/40 R17 is on top, and tire with size 255/25 R20 below. Both in the table and in the graph, the tires are compared according to the following indicators: overall diameter, section width, circumference, sidewall height and clearance. Also, the online application calculates the difference in real speed and speedometer readings if the difference between tire 255/40 R17 and tire 255/25 R20 is significant.

If you want to compare other tire sizes, then select their sizes in the drop-down fields and click on the green button. The online wheel calculator will then display the new results.

Infographics

Side comparison Frontal comparison
255/40 R17 vs 255/25 R20 side comparison of car tires in centimeters 255/40 R17 vs 255/25 R20 frontal comparison of car tires in centimeters

See also:

225/45 R17
235/45 R17
195/55 R16
245/45 R17
245/40 R17
205/50 R15
245/50 R17
195/65 R15
205/50 R15
225/45 R17
205/65 R15
195/55 R16
245/40 R20