To get this achievement simply complete the final race of the 3rd series in the final Volume (Ultimate Motorsport).
Volume 1 - Super Street
Volume 2 - Sports Icons
Volume 3 - Grand Touring
Volume 4 - Professional Racing
Volume 5 - Ultimate Motorsport
This achievement will also unlock at the same time.
To get the achievement below you must complete a further 75 series (Completing the individual divisions within each series)