| Detroit | Groningen | |
| 1 Summer dress in a chain store | USD 45.00 | USD 50.71 |
| Fitness club, monthly fee for 1 adult | USD 35.00 | USD 48.81 |
| Coke bottle | USD 1.63 | USD 2.33 |
| Combo meal at McDonalds | USD 6.00 | USD 9.49 |
| Apartment (3 bedrooms) in city centre | USD 1 378.57 | USD 1 807.91 |