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225 is the width of the tread in mm
55 is the aspect ratio - this means the height is equal to 55% of the width
18 is the diameter of the wheel it will fit
As for your question, it depends on the vehicle but I would not mix different sized tires.
You should be able to find used tires at most tire shops. Call around.
That should not be a problem. To clarify easier: the 55/60 represents the height of the sidewall of the tire from rim to top. As long as your car isn't lowered it will barely make a difference. You would want all the same and not mix them though
Suburu Cross trek- 2018 ltd -so i can use the wheel on the 225/60/r18. and replace the tire with the 225/55/18?
So, yes it will fit on the wheel and you can use the wheel. As noted, if you are replacing all 4 tires, it won't be a big difference. (and your speedo will be of the 3.1% mentioned below)
If you only replace one however, you might be asking for trouble. The difference in height in those to tires is 0.9 inches, and a difference of a little more than 3.1%. That's not a ton, but enough that is is possible long term usage will damage the differential. It is impossible for us to know how far would cause troubles. As a personal guess, 300 miles would be fine, but that really is just totally a guess. Finally, while its probably within a tolerance that the sensors are ok with, its not impossible that the difference in height will throw off a speed sensor which could cause problems for ABS or stability control. Again, I'm not saying that will happen as i don't know what the sensors have built in for allowable difference and suspect all will be ok, but I wouldn't totally rule it out.
225 is the width of the tread in mm
55 is the aspect ratio - this means the height is equal to 55% of the width
18 is the diameter of the wheel it will fit
What kills me with this is that the first measurement is in millimeters, the second a percentage of the first, and the last measurement is in inches! Who the heck came up with this system?
What kills me with this is that the first measurement is in millimeters, the second a percentage of the first, and the last measurement is in inches! Who the heck came up with this system?
It's been like that for a long time. Even in metric countries, wheel diameter is usually in inches.
Not on an AWD vehicle, you are asking to burn up the center differential. Generally speaking the tolerance for a different size tire on AWD is 2/32", as another poster pointed out, you will be well past that
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