Yes, it is normal. When the training crew for the Telluride came to my local dealership, I inquired about this very thing. Kia said the design aids in reducing the drag coefficient. He called it "AERO OPTIMIZED." When I heard this, I had to research it. here is an excerpt from an article in Autoweek.Had my new SX with tow package for 5 days. Seems the rear sits about an inch lower than the front, without any weight in the back. Is this the norm? What about the auto-leveling?