Green’s Dictionary of Slang

(US) a Ford Mustang automobile.

1992		J. Mowry Way Past Cool 146: Wanna-be-bad sixties and seventies ’Stangs, Cams and GTOs.
2001		J. Stahl Plainclothes Naked (2002) 92: Once out of his ’Stang, the man of God looked like a professional wrestler.
2008		T. Piccirilli Fever Kill 17: He [...] walked past Jimmy Devlin [...] as if he were making for the ’Stang.