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 428 prices entered by 52 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 £3,542 (€4,032) in Cologne.