Illan Arguindegui

MAIN POINT : Back passenger side wheel is offset more than the rest of the wheels. DETAILS: I own a 2016 GMC Sierra SLT Crew Cab and recently changed my wheels. Since owning the truck I have not done any modifications or damaged the truck in any capacity. About 2 months ago I changed the tires for the first time since purchasing the truck with the stock tires. When the tires were changed there did not seem to be any offset with the original wheels. I changed the wheels last week with the same tires that I purchased 2 months ago and noticed that the passenger side rear wheel was offset by about 1 inch more than the rest. At the tire shop I asked them to do the following: check for spacers, double check that all wheels were the same size and offset, and rotate the tires. After they rotated the tires and noticed there was still on an offset I knew that the problem was not the wheel or tire and instead it was the truck/axel. My next course of action was to take the truck to the dealership and ask them if they had ever seen anything like this and if they could inspect the truck. They advised that all looked good and they even re mounted the original tire and wheels to check. Even with the originals there seemed to be an offset. They told me that this is apart of the design but I am skeptical. Has anyone heard or seen this before? Thanks in advance!