Euro-Spec: 1975 Peugeot 604 SL (opens in new tab)

In the 1970s, several car makers were gaining traction in the flourishing luxury car niche. Mercedes' W116 S-class, BMW's E9 series, Jaguar's XJs, and American models from Cadillac and Lincoln were selling for premium prices, helping fund growth at all these manufacturers. But in France, the luxury market was limited to derivative products from Citroen....