Unless you really want an updated Mustang, you can inject some more power into that mill in a lot of ways. Just depends on how lofty your goals are. It's definitely not a slouch.
Cheapest 2020 white GT auto I could find (below). I'll spot the 2020 the couple grand for those mods, as that puts the grand total of what I spent on my 14 to run what's in my sig (including buying 14 GT auto new).