In 2018 I bought my 172 from a friend for 35K. At the time I thought I paid 5K more than I should have. It had a mostly all original panel. I promtly sent it over the avoinic shop for a GMA345, 650 gps, GNC 255 com/nav 2, indicator, GTX345, 2-G5s and all the other stuff it took to make it all...