I'm now looking at the Cooper AT3 4S in the 265/70r18 size. Seems to have better (more) tread depth than the 265/60r18 version. Diameter is 32.6" and width is 10.7", compared to 31.5" and 10.7" for the 265/65r18 tire. Any issues with rubbing etc? Anything else I should consider?