PETG is supposed to be superior for UV resistance.
I designed and printed some stake pocket covers for my truck in PETG and they are sagging - though maybe I just needed the tops thicker...
Oh..... I made some replacement cup holders for my truck in PLA. They warped and fell though into the center console, due to the summer heat/sun. Redid them in PETG and they are working well.
The chair is against the wall has a long mustache.