rattle-trap
slang A rickety, broken-down, clunky old motor vehicle. I can't believe he's still driving the same old rattle-trap that he had way back in high school. I've sunk more money in this rattle-trap than the damn thing is even worth.
rattle-trap
n. a rattly (old) car; any rattly vehicle. I hear Ted’s rattle-trap in the driveway.