A Citroen DS19! Truly a car that took the world by storm, Citroen received ten times the number of orders it had anticipated at its debut in 1955 at the Paris Auto Show. The car showcased many novel features for its time including power windows and power steering (among others), but its true innovation was the hydraulic system underlying most of the operating aspects of the vehicle. The hydraulics served as motivation for the power windows and steering, but also the suspension, widely considered a revolution in the trade-off of ride comfort for handling. To this day, a late and well-kept example can sell for six figures. But any model from its two decades of production can make a unique contribution to a collector’s garage, as it did to the modern automobile industry.