the.com/getaway car

means A vehicle used to flee quickly from the scene of a crime, typically with the engine kept running for a fast exit.

from Straightforward compound of 'get away' (to escape) plus 'car.' The phrase picks up speed itself in early 20th-century American crime reporting and Prohibition-era bank-robbery lore, when the automobile replaced the horse as the criminal's preferred exit strategy — bandits like the Barker gang and Bonnie and Clyde made the term a staple of newspaper headlines and, later, Hollywood's gangster pictures.