Cars can be: autos, carros or coches, depending on which country you are in.
Four cars: cuatro autos/carros/coches
to say sell cars in spanish is to say, vender auto. Vender is selling can auto is car.
Me gusta (cars) viejo
tranvías
se venden automoviles
Me encanta los coches.
los coches negros
Bicicletas y carros
veo tres carros
Cars can be: autos, carros or coches, depending on which country you are in. Four cars: cuatro autos/carros/coches
the other person who answered it said it was car well you can say that but its normally cart
To fix cars = arreglar autos
Depending on your region: Trescientos carros Or: Trescientos coches (Spain itself)