Yep - I have a 2016 Black Tahoe LT with the same issues. the hood started fading and now looks horrific. The roof has also started to go. I am getting the bums rush from both GM and the Dealer, each saying there's nothing they can do.
I took the car to an independent for a paint evaluation, and he said every single panel will be faded within 12 months. The only remedy is to take the car down to bare metal and repaint. He said it is without doubt defective paint.
I am about to start seeking legal action, and after reading this thread, it looks more like a class action.
I'll post more info if I get anywhere with filing a law suit and see who wants in.
