This is the 4324th most frequent Spanish word.
renault
"Renault" is not a Spanish word; it is a French automobile brand name.
Here, 'Renault' refers to a brand of car, specifically the product being purchased.
Compraré un Renault este año.
I will buy a Renault this year.
In this sentence, 'Renault' refers to the type of vehicle being discussed that is manufactured by Renault.
¿Has conducido alguna vez un Renault?
Have you ever driven a Renault?
'Renault' in this case is used to specify the dealership brand where the person is employed.