Cost of living in Dortmund (Germany) is 111% more expensive than in Adapazarı (Turkey)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 163 prices entered by 18 different people.
For example, you would need at least 6,743TL (€1,475) in Dortmund to maintain the same standard of living that you can have with 3,200TL in Adapazarı.