Tales of Unease (1970) (Episode 7)

Ep 7: The Old Banger. Fed up with the run-down old car, John (Terence Rigby) and his wife Susan (Pinkie Johnson) decide to dump the car on the other side of London. When they tell their friend Eric (Neil McCarthy) about it, he decides to visit it to take out a part he needs. But when he comes back he tells them the car isn't where they left it, but a few streets over. From there Eric, John and Susan see the car in various locations across London and, disturbingly, it seems to be slowly heading in their direction...