For the 6.5" width and considering the SUV style, the 235 is about as wide as you'd want to go.
If you get a wider wheel, you'll be adding unsprung weight which is not a good thing unless you can get a lighter wheel that is just as strong despite going wider/larger.
If you get a wider wheel, you'll be adding unsprung weight which is not a good thing unless you can get a lighter wheel that is just as strong despite going wider/larger.