When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
The actual tire sizes would be 215/40R18 and for the rear go with the 245/35R18. Thant should solve all of your problems. More negative camber also helps.
If I can help let me know.