Vehicle has got hired to go round old Mediterranean area (6)
I believe the answer is:
levant
'old mediterranean area' is the definition.
(historical term for an area near the Mediterranean)
I don't understand how the remainder of the clue works.
(Other definitions for levant that I've seen before include "Area in the Middle East, includes the historic areas of Palestine, Israel and Syria" , "somewhere in the Middle East" , "Formerly countries of the eastern Mediterranean" , "Med. east coast area; abscond" , "Mediterranean region" .)