This is a list of 5 most expensive attack helicopters in the world.
Number 5, KA-52 Alligator - 31 Million Dollars, From Russia.
Number 4, Eurocopter Tiger - 39 Million Dollars, From France & Germany.
Number 3, Denel AH-2 Rooivalk - 40 Million Dollars, From South Africa.
Number 2, TAI T129 ATAK - 52,9 Million Dollars, From Turkey.
Number 1, AH-64E Apache Guardian - 120 Million Dollars, From USA.