What car do they use in your country for taxis or cabs?

Here in Saudi Arabia they use alooooot of brands

we got minicabs that can bejust about anything, usually vauxhall vectras and ford mondeos, and special London black cabs

In Greece the most common taxis are the Skoda Octavia and the Toyota Avensis but there are also Mercedes, Nissans etc. I saw a W140 S-Class taxi here once
https://c2.staticflickr.com/6/5783/19921581703_a97467abe0.jpg

In Moldova we use 90% of taxis Dacia Logans

In Brussels (capital of Belgium), we use some brands like Mercedes-Benz, Skoda, Toyota, Citroen, and something that Ethan likes: a PRIUS.

even every license plate on a taxi is “1-TXA-000”.