I don't know Austin, it might not be that unusual, we just don't here about it with GM cars much because there isn't all that much documentation floating around.
I looked at the paper work on my SCJ again just to see what the date spread was. Wasn't Oklahoma by the way it was Kansas, (memory lapse on my part) lol. It was delivered March 4th to a dealer in Dodge City Kansas, On March 27th I have paperwork showing it was sold to a dealer in Scott City, Kansas, and then sold to the first owner on April 7th. I googled the distance between dealers and it's 88 miles.
If this happened with Fords, and many documents supporting it, then I'm sure it happened with Chevrolets. I wouldn't sweat it too much. Sometimes it's something as simple as the color that sends people or dealers off on a search like that. Shucks I had to go all the way to Texas to get the duramax I wanted, lol.