| Detroit | Sants-montjuic | |
| Water bottle (0.33 liter) | USD 1.18 | USD 1.72 |
| Water bottle (1.5 liter) | USD 1.69 | USD 0.70 |
| Monthly Pass (local transport) | USD 35.00 | USD 67.80 |
| 1 min. of prepaid mobile tariff | USD 0.21 | USD 0.22 |
| 1 Pair of Nike shoes | USD 76.17 | USD 104.12 |