275/65r18 vs 275/55r18 Tire Comparison Table
Tire Size Comparison Visualizer
2558
18"
179
391 Revs/km
2385
18"
151
419 Revs/km
275
815
275
760
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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 | 9.3 | 27.9 | 46.5 | 65.1 | 83.7 | 102.3 | 120.9 | 139.5 |
| Speed Diff | -0.7 | -2.1 | -3.5 | -4.9 | -6.3 | -7.7 | -9.1 | -10.5 |
Ground Clearance Decreased by 27.5
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Check out how the 275/65r18 differs in size from the 275/55r18
Would you like to upsize your tires?
The visuals and tables above illustrate the difference in dimensions between 275/65r18 and 275/55r18 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 275/65r18 and 275/55r18 tire sizes.
Besides, considering that 275/65r18 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 275/55r18 tires. It is strongly recommended to calibrate speedometer every time you upsize or downsize your tires.