1) American style banger 2) Auto 3) Automobile 4) Bucket of bolts 5) Car of sorts 6) Clunker 7) Crate 8) Cruddy wheels 9) Decrepit car 10) Dysphemism 11) First-person adventure game 12) Heap 13) Machine 14) Motorcar 15) Old heap 16) One likely to die on the road 17) Rattletrap 18) Rickety old car 19) Scrapyard candidate 1) Auto 2) Bucket of bolts 3) Clunker 4) Crate 5) Heap 6) Junkcar 7) Rattletrap 8) Tin can 
Jalopy is slang for an old car.
noun a car that is old and unreliable; `the fenders had fallen off that old bus`