| European Side alternatives | | System range | Design range | Beylikdüzü | Arnavutköy | Silivri |
| C11 | 55,000,000–65,000,000 | 34,000,000–35,000,000 | 40,000,000–45,000,000 | 30,000,00–60,000,000 | C12 | 250,000–300,000 | 175,000–200,000 | 375,000–450,000 | 150,000–400,000 | C13 | 1,250,000–1,500,000 | 800,000–1,000,000 | 2,300,000–2,500,000 | 900,000–2,400,000 | C14 | 4,700,000–4,950,000 | 7,200,000–7,425,000 | 12,000,000–12,375,000 | 4,500,000–12,250,000 | C21 | 8, 11, 14 | 8, 11, 14 | 8, 11, 14 |
minimum 12 | C22 | 4, 7, 10 | 8, 11, 14 | 4, 7, 10 | minimum 8 | C31 | 4, 7, 10 | 8, 11, 14 | 8, 11, 14 | minimum 8 | C32 | 4, 7, 10 | 12, 15, 18 | 8, 11, 14 | minimum 8 | C33 | 12, 15, 18 | 8, 11, 14 | 8, 11, 14 | minimum 8 | C34 | 8, 11, 14 | 8, 11, 14 | 8, 11, 14 | minimum 4 | C41 | 8, 11, 14 | 8, 11, 14 | 12, 15, 18 | minimum 12 | C42 | 4, 7, 10 | 12, 15, 18 | 12, 15, 18 | minimum 8 | C51 | 4, 7, 10 | 8, 11, 14 | 8, 11, 14 | minimum 8 | C52 | 4, 7, 10 | 12, 15, 18 | 8, 11, 14 | minimum 8 | C53 | 4, 7, 10 | 8, 11, 14 | 8, 11, 14 | minimum 8 | C61 | 8, 11, 14 | 8, 11, 14 | 4, 7, 10 | minimum 8 | C62 | 8, 11, 14 | 12, 15, 18 | 4, 7, 10 | minimum 8 | C63 | 8, 11, 14 | 8, 11, 14 | 8, 11, 14 | minimum 8 |
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