Cost of living in Cologne (Germany) is 4% cheaper than in Aberdeen (United Kingdom)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 565 prices entered by 60 different people.
For example, to keep the same standard of living that would require £3,700 in Aberdeen you would need to make just about £3,538 (€4,026) in Cologne.