235/55r17 vs 235/55r18 Tire Comparison Table
Tire Size Comparison Visualizer
2168
17"
129
461 Revs/km
2247
18"
129
445 Revs/km
235
690
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 | 10.4 | 31.2 | 52.0 | 72.8 | 93.6 | 114.4 | 135.2 | 156.0 |
| Speed Diff | 0.4 | 1.2 | 2.0 | 2.8 | 3.6 | 4.4 | 5.2 | 6.0 |
Ground Clearance Increased by 13
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Check out how the 235/55r17 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 235/55r17 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 235/55r17 and 235/55r18 tire sizes.
Besides, considering that 235/55r17 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.