'64, my four-door
Car is a 4-door from 1964.
Six-four is not only the model year, but as many other rappers will suggest also, a “six-fo” refers specifically to a 1964 Chevrolet Impala. And clearly Ant’s is a four door model.
To help improve the meaning of these lyrics, visit “The Way It Go” by ASAP MOB (Ft. ASAP Ant) Lyrics and leave a comment on the lyrics box