| Detroit | Narbonne | |
| Imported beer at restaurant | USD 3.50 | USD 5.42 |
| Mid range bottle of wine | USD 12.00 | USD 6.78 |
| Apartment (1 bedroom) in city centre | USD 988.89 | USD 911.64 |
| 1 min. of prepaid mobile tariff | USD 0.21 | USD 0.35 |
| Water bottle (1.5 liter) | USD 1.69 | USD 1.08 |