$all_data = Hash.new

class Car
  def collect_data(id,mass,engine_type,build,brand)
    @local_array_value = [mass,engine_type,build,brand]
    @id = id
    $all_data.merge!(@id => @local_array_value)
  end
end
def add_car(id,mass,engine_type,build,brand)
  @id = id
  @id = Car.new
  @id.collect_data(id,mass,engine_type,build,brand)
end
add_car("1x","2mass","engine_type23","2build","brandx23")
add_car("2x","2mass","engine_type23","2build","brandx23")
add_car("3x","2mass","engine_type23","2build","brandx23")
add_car("4x","2mass","engine_type23","2build","brandx23")
puts $all_data