Here in Vegas I think I have only seen 9 Challengers in the wild other then mine,

1 at local Donut run / car show (silver)
2 live out bt me (1 black, 1 silver)
2 at my work (1 silver, 1 Orange)
2 on the North side of town (1 orange , 1 TorRed)
1 saw an attractive woman driving one on my way to work (TorRed)
1 One pulled up next to me on the side street outside my work (Black)