Car buying and leasing are two completely contradictory concepts. By buying a car you become the owner. Therefore, you need to take care of your car, financially. Paying expensive car loans, entire maintenance charges and PCP loans become your responsibility.
But, on the other hand, when you opt for leasing, all you have to do is to pay the timely rental charges. Additionally, you can select new cars each time your leasing period gets over.
So, as an ex-pat, leasing a car would be a great decision.