George: John Voight's car.
Jerry: Porsche with BO stink lines. Alternate car: Saab blood in the engine block. Alternate car: Rocking van.
Kramer: Real J. Peterman Tour bus with muffins flying out of it. Alternate car: ASSMAN Caddy.
Elaine: Sedan with Keith Hernandez in passenger seat, Witchy Woman as theme. Alternate Car: Cab with Elaine in back seat. Big head blocking the window. Alternate car: private car with shouting driver.
Newman: Mail truck with flaming undercarriage. Cans flying out the back.
Jerry's Father, Morty: Cadillac with Jerry's mother as passenger. Alternate Car: Jack Klompus and the Caddy is swamped.
Frank Costanza: I forget what car he drives, but Estelle is definitely with him and it always stops short.
Maroon Golf: Refuses to let people into its lane. Cuts people off.
Soup Nazi: Food truck with soup spilling and armoire throwing.
Car Thief: Tosses JFK clubs out the back.
Puddy: Giant 8-Ball mobile.
Limo: Interchangeable characters from Nazis to Russian authors throwing organizers to Jerry and George in LA.