First Citroën was too early, then too late. And too unconventional. In any case, the Citroën BX 4 TC was not one of the winning cars of the Group B rally years. Nor was it a success on the road. Today, it is probably the rarest Evo car of the time and also the cheapest. This vehicle report describes the history of the Citroën BX 4 TC and shows it in current and historical pictures. Of course, there is also a sound sample.