The creation of the Renault 5 Turbo is one of our favorite stories of automotive augmentation, at once unique and stereotypical; it’s another somewhat odd-looking French car, another rally icon with econobox heritage. But the “R5 Turbo” was also an iconoclastic machine that diverged from its humble origins to a degree that was arguably unmatched until the infamous Group B cars that arrived in the World Rally Championship (WRC) years later.