Some vehicles are restricted due to size, as it can be heard that 'I bet you're flexible, but not in here,' or 'I think this car is a little too small for that.'Īlso, some prostitutes are called Luxury or Popular prostitutes, and you need a flashy, expensive car to pick them up. They cannot be picked up in the following vehicles: Vehicle Requirements: Since Grand Theft Auto IV, Prostitutes have had specific requirements for cars that they can do their 'magic' in.