And this is what tata claim to be up to (it's a REEV):
http://www.tatamegapixel.com/images.asp
A similar approach to the doors:
View attachment 68562
That is somewhat like the Tesla Model C concept:
http://www.carscoops.com/2012/11/u-design-tesla-model-c-concept-study.html
(I like it...)