Part of the reason for adding it was easier access but this isn't only reason the unique design feature was installed, reports Automotive News. Engineers wanted a low-cost solution that would keep kerb-weight down and they also required the fuel filler neck on the driver’s side to remain unchanged. The solution was to install only one door, which also had the benefit of avoiding new crash tests.
Another strange design trait is the twin-opening rear hatch similar to those seen on commercial vans, which give the new car a total of five doors all up. Click here to watch a video of the rear opening third door in action or click here to read our previous story on the car.