1972 Citroën SM floats into Jay Leno's Garage

The 1972 Citroën SM was one of many innovative models produced by the French automaker over the decades. What set the SM apart, according to Jay Leno, who has owned this particular car for 35 years, was its engine. He gives the details in this episode of Jay Leno's Garage. Other notable Citroën models like the Traction Avant, 2CV, and DS...