The Ford Probe V was the final advance in that series of aerodynamic concepts built by Ghia, being built in 1985.
It achieved a 10% reduction in drag coefficient, achieving a 0.137 Cd compared to the Probe IV’s 0.152 Cd.
The Probe V represents a subtle refinement of the Probe IV. Along with being more efficient aerodynamically than Probe IV, Probe V has more character than its technically-styled predecessor. A two-door Probe V uses an novel door design that swings out on short parallelogram hinges until it clears the side of the body then slides back out of the way creating wide and unobstructed interior access.
Probe V also further develops the flexible membrane front wheel skirt seals introduced on Probe IV. The Probe V skirt seals, however are integrated in the body’s outer surface so when the front wheels are turned the membrane flexes to clear the tires.
The Probe V greenhouse is all glass, including the roof. Helping achieve a smooth and aerodynamic profile, Probe V is also mid-engined, a notable technical accomplishment in a four-seat sedan. It is full of many other small technical and functional novelties such as the heads-up display, instrumentation that repositions with the steering wheel and a rear window which operates much the same as the doors, sliding out of the way instead of being on conventional hinges. Probe V even has roll-up rear seats.