Cost of living in Hamburg (Germany) is 45% more expensive than in Alicante (Spain)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 633 prices entered by 94 different people.
For example, you would need at least €3,190 in Hamburg to maintain the same standard of living that you can have with €2,200 in Alicante.