I just got 18x7.5 and 18x8.5 in the rears with offset of +50mm and +47mm. Please tell me the tire profiles that i can use and what are my options.. I am already considering to buy snow tires for the stock rims in the winter time. So i am looking for good performance in the rain and most of all. not very expensive=) Thanks for all the advices.

 

if u plan to drop ur car and dont want any rubbing, get falken 451, 215/40/18 fronts, 245/35/18 rear. i had the exact same wheels and tires and slammed my car 1.5 inches and never rubbed. or if i did, it was so light i never heared it.

but if i could do it again, i would roll my fenders and get a 225/40/18, 255/35/18 combo with better tires.

 

I would say AP1ayer is correct. You can also run the 225/40R18 front with the 245/35R18 rear.
If I can help let me know.