I need to buy new tires...

I know that the GLE/GXE have 7" by 17"
What about the SE, does it have 7" or 7.5" rims.

My stock is 215/55/17, is it going to be ok if I go with 225/50/17 as far as looks. I don't want it to look like the car has fat tires.

 

Stock SE wheels are also 17x7.