The cost of living in Aachen is generally lower than in other major German cities such as Berlin, Munich or Frankfurt. However, the cost of living will still depend on your lifestyle and personal preferences. Here are some estimated costs of living in Aachen: Room in shared apartment: 300€-500€ Eletricity: 50€-100€ Internet: 20€-40€  Groceries: 150€-200€  Eating out: 50€-90€  Transportation: 70€-90€ Average cost living between 700€-1500€ For more detailed information, you can consult this source.