Homologation specials came in all shapes and sizes, even more so during WRC’s Group B era. While attention turned to offerings from Audi, Peugeot and Renault, Citroën’s BX 4 TC was a worthy rival.

With the eighties incoming and aerodynamics becoming the buzzword, you might have expected Gandini to give up on his vision of a hatchback. Thankfully for him it was third time lucky, with Citroen now ...