Jaguar XJS with Porsche 944 wheel arches 1976 [Getty Images]

Jaguar XJS with Porsche 944 wheel arches 1976. By Simon Clay. (Photo by National Motor Museum/Heritage Images/Getty Images) — see more

Jaguar XJS with Porsche 944 wheel arches 1976. By Simon Clay. (Photo by National Motor Museum/Heritage Images/Getty Images)

Hulton Archive Heritage Images