Re: What size 18's can I run aside from stock for winters?
Use an online tire calculator to determine alternative tire choices that have a similar diameter to the OEM... ~ 30.6". Varying width and aspect ratio should get you there and slightly narrower is actually better for snow situations.
2012 GC Overland Summit - Winter Chill with New Saddle interior. 5.7L HEMI V8 - Pirelli Scorpion Verde Plus "shoes" - LED fogs and DRLs
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