Front suspension problem

I don't know too much about suspension but I've noticed that there is about 1 inch height difference between my right and left side. I other words space between tire and fender on right side is 1 inch bigger than on the left side. Looks a little like SUV :) . Thank you for any advice.

Sounds like you have a worn strut or spring. GM specs allow up to a 1/2 inch difference all around.