Quote:
Originally Posted by IS+1
For those who are considering 18" square set-ups for winter, I am posting the following dimensions of some sizes/brands of tires I researched on Tire Rack, and how they compare to the stock 19" tire sizes:
19" stock tires:
Front: 245/35/19 Michelin PSS - 25.8" diameter, 807 revs/mile
Rear: 265/35/19 Michelin PSS - 26.3" diameter, 790 revs/mile
18" square set-up for winter:
Bridgestone Blizzak 245/40/18 - 26" diameter, 801 revs/mile, fits 8.0"-9.5" rim (diameter in between stock fronts and stock rears)
Michelin X-Ice 235/45/18 - 26.3" diameter, 790 revs/mile, fits 7.5"-9.0" rim (matches stock rear diameter exactly)
Michelin X-Ice 245/45/18 - 26.6" diameter, 780 revs/mile, fits 7.5"-9.0" rim (a bit bigger than stock rears, much bigger than stock fronts)
Michelin X-Ice 245/40/18 - 25.7" diameter, 809 revs/mile, fits 8.0"-9.5" rim (smaller than stock fronts and much smaller than stock rears)
I did not include 255 treadwidth tires, or winter performance tires, because I am looking for a narrower treadwidth winter tire that can handle the deep snow we get up here.
Obviously this is a short list, but I figured I'd share it with you guys in case you find it useful.
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So, I emailed Keith at Tire Rack and the only 18 inch winter tire they are recommending for the M2 is the X-Ice 245 / 40 / 18 size. In what way are they going to be "much smaller than stock rears"??? That is a concern.