Plane: Planes are affordable in Turkey. Expect to spend between $30-$70 for each plane ticket.
Train: Where they exist, trains are one of the cheaper forms of transportation. There is a high-speed rail between Istanbul and Ankara.
Bus: The local form of Transportation, I have many stories about buses in Turkey. I never spent more than $14 to go nine hours. Very nice (most of the time) and some include snacks. The budget traveler’s friend.
Drive: Most expensive but flexibility is nice. Expect $50 per day and extra money for petrol.