#6. Alfa Romeo BAT 5 – 1953
When they started designing the BAT 5, Alpha Romeo designers wanted to produce a low drag coefficient. Although they succeeded in that, the company management decided not to produce this car model.
#5. Vauxhall SRV – 1970
This car’s looks suggest that it’s a sporty two-seater, but in fact, it was a four-door car. Wayne Cherry from GM was the man behind the design, but quickly after the concept car was presented to the public, he went on working on other projects.