This is the 490th most frequent Spanish word.
coche
Car.
Here, 'coche' is used to refer to an automobile, a common meaning in Spanish-speaking regions.
El coche está estacionado en la calle.
The car is parked on the street.
'Coche' in this sentence represents the specific preferred vehicle of a person.
Mi coche favorito es el deportivo que vimos ayer.
My favorite car is the sports one we saw yesterday.
In this context, 'cochecito' (diminutive of 'coche') refers to a small replica or toy version of a car.