R Madhavan says men are confused: 'Chivalry is redefined now, I am used to opening doors in a car for women but it's considered offensive today' ...

Just as with the MC20, the MCPura features dramatic butterfly doors and, on the Cielo, an electrochromic retractable glass roof that can go from clear to opaque at the press of a button.

The road to progress is lined with shiny billboards touting great innovation—along with pothole-laden detours. Let's take a moment to remember some of the cars that made America.