Thanks but I might have explained too fast, here's my structure:
The table Brands contains those fields: Honda, Chevy, Kia and Porshe.
And I have these tables:
HondaModels: Civic, Accord, CRV,
ChevyModels: Silverado, Cruze, Cobalt,
KiaModels: Sorento, Forte,
PorsheModels: 911, Cayenne, GT2RS...