Of course FX or Mehran is the best for new buyer. It have good millage and low maintenance cost.
Actually I have drive this car for more then 10 years and still have that.
I have spend 40,000/- on its Body and 10000/- on engine in 2000. It was like a new. We have traveled Murree, Peshawer, Multan, DGKhan, DIKhan on it without any trouble. I will add some pictures soon.
Keeping an old car is like a running a workshop because you have to repair and maintenance (lol).
I will be glade to guide you at any stage.