This might give you some idea: https://www.allfordmustangs.com/forum...hts-specs.html
25.5 lbs each for the 19x8.5 2011-2012 V6 Performance Package wheels. I've read 26 lbs for them and also for the 19x8.5 2011-2012 GT/CS wheels in other threads.
I used to think they were the same wheel, but they have different offsets, at least for the '11-12 models. I don't know about the '13-up. Offsets aside, you're probably looking at 26 lbs each.