Quote:
Originally Posted by poison
It's the same as shoes: why do different manufacturers size 11's fit different?
There is for sure a difference in width between 'same' sized tires, it's not debatable. Tire rack and other respected sellers talk about it, and state the differences. Also a summer tire may be wider than the a/s tire of the same size from the same manufacturer.
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I don’t think we dispute the same 315mm tire may have section width different, it is how much. It cannot be drastic, right?
One observation. Tires pictures in this link
https://tiregrades.com/tire-anatomy/...dth-on-a-tire/
Are they even DOT tires?? My guess is the right one isn’t DOt approved. It is for recreational use only, in this case, track or drag strip tires. When it isn’t dot approved, yeah spec has very little meaning.