Well if you want to go to off road, then buy quality stuff like, BF Goodrich all terrain,
https://shop.bfgoodrichtires.com/tire/bf-goodrich/all-terrain-t-a-ko2
If not, then stock tires are good enough for city driving, while size 285/75 on R18 will constitute around 33 inch tire which should be fine with wheel arches and will increase ground clearance by inch and a half.