215/45r18 vs 215/50r17 Tire Comparison Table
Tire Size Comparison Visualizer
2043
18"
97
489 Revs/km
2031
17"
108
492 Revs/km
215
651
215
647
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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 | 9.9 | 29.7 | 49.5 | 69.3 | 89.1 | 108.9 | 128.7 | 148.5 |
| Speed Diff | -0.1 | -0.3 | -0.5 | -0.7 | -0.9 | -1.1 | -1.3 | -1.5 |
Ground Clearance Decreased by 2
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Check out how the 215/45r18 differs in size from the 215/50r17
Would you like to upsize your tires?
The visuals and tables above illustrate the difference in dimensions between 215/45r18 and 215/50r17 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 215/45r18 and 215/50r17 tire sizes.
Besides, considering that 215/45r18 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 215/50r17 tires. It is strongly recommended to calibrate speedometer every time you upsize or downsize your tires.