235/75r15 vs 235/55r18 Tire Comparison Table
Tire Size Comparison Visualizer
2303
15"
176
434 Revs/km
2247
18"
129
445 Revs/km
235
734
235
716
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Speedometer Error
(Set Size1 to OEM Size)
(Set Size1 to OEM Size)
| Speed | 10 km/h | 30 km/h | 50 km/h | 70 km/h | 90 km/h | 110 km/h | 130 km/h | 150 km/h |
|---|---|---|---|---|---|---|---|---|
| Actual | 9.8 | 29.4 | 49.0 | 68.6 | 88.2 | 107.8 | 127.4 | 147.0 |
| Speed Diff | -0.2 | -0.6 | -1.0 | -1.4 | -1.8 | -2.2 | -2.6 | -3.0 |
Ground Clearance Decreased by 9
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Check out how the 235/75r15 differs in size from the 235/55r18
Would you like to upsize your tires?
The visuals and tables above illustrate the difference in dimensions between 235/75r15 and 235/55r18 tires.
By looking at a visual representation of the differences in tire diameter, width, sidewall height, circumference, revs per mile, and speed difference, it easy to compare the 235/75r15 and 235/55r18 tire sizes.
Besides, considering that 235/75r15 is the factory size, your vehicle’s speedometer shows the correct speed. Check out the chart with the possible speed difference should you decide to go with the 235/55r18 tires. It is strongly recommended to calibrate speedometer every time you upsize or downsize your tires.