Cost of living in Düsseldorf (Germany) is 172% more expensive than in Adana (Turkey)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 433 prices entered by 61 different people.
For example, you would need at least 14,683TL (€2,416) in Düsseldorf to maintain the same standard of living that you can have with 5,400TL in Adana.