GTA money, regular and enhanced version Submarine - 1.5 million for 2 SAR 2 Submarines - 3 million for 4 SAR 3 Submarines - 4.5 million for 6 SAR 4 Submarines - 6 million for 10 SAR 5 Submarines - 7.5 million for 15 SAR 6 Submarines - 9 million for 20 SAR 7 Submarines - 10.5 million for 24 SAR 8 Submarines - 12 million for 28 SAR 9 Submarines - 13.5 million for 30 SAR 10 Submarines - 15 million for 35 SAR