That's a top made by Fortune magazine a year and a half ago. The 80's Yugo is the clear winner - as far as I know the car was imported in the US from Yugoslavia in 1989 and was positioned as a discounted car ($5000 or so) - the cheapest you can get.

Interestingly enough, Dacia Logan was positioned somewhat similar - a 5000 euro car (ok, 5800), but in the meantime the price has risen and a fully-equipped car can cost as much as 8000 euros. It is the low-end Renault car, obviously, targeted for the poor countries - though they say that is quite popular in EU nowadays. In spite of this. Logan's competition may come from Matiz (GM's Daewoo) also produced in Romania and sold for about 6000 euros.