The difference is that instead of a yellow car, you get a black car. What is a limo service but a luxury version of a taxi service? The distinguishing factor is

The difference is that instead of a yellow car, you get a black car. What is a limo service but a luxury version of a taxi service? The distinguishing factor is that one can pickup passengers on the street and by hail and the other is only made by prearrangement and is considered a PRIVATE luxury service.