Communications control apparatus and method for automotive vehicle

In communications control apparatus and method for an automotive vehicle, a buffer enabling quantity by which data of the requested content is enabled to be buffered into a receiving buffer during a vehicular run on the traveling scheduled route is calculated using a traveling time and a communication speed; and a capacity of the receiving buffer is set according to a calculated result of the buffer enabling quantity calculation described above and an upper limit value of the receiving buffer capacity, data on a requested content being downloaded onto the receiving buffer whose capacity is set.