Car heats up if air condition on after five minutes.
Car has very low pick.
Car has uncomfortable seats.
Price is more than overall car quality.
Fuel consumption is good.
The problems you mention can happen with any make and model of car.
You have to find the right mechanic, though. Mr. Fazal (Polad & Co.) is one I would recommend.
To make driving more comfortable, just get bucket seats installed.
Mehran is a four stroke expensive rickshaw.