Boué had wanted the tail-lights to go all the way up from the bumper into the C-pillar, in the fashion of the much later Fiat Punto and Volvo 850 Estate / Wagon, but the lights remained at a more conventional level.
В то время они не нашли применения и появились гораздо позже на автомобилях Fiat Punto и Volvo 850 Estate/Wagon, а R5 получил стандартные фонари.