Now, you can argue they were a joint-venture with Fiat and not an entirely original idea (though the Soviets made improvements in ruggedness and ease of self-service), but whatever: cars made by the Soviets didn't suck.
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[1] from Wikipedia:
> The rugged Lada was popular in Europe, Canada and South America for customers looking for more affordable alternatives to local brands, and sales of the new cars were extremely successful, reaching as far as New Zealand. In the West, their construction was frequently described as cheap and that inspired jokes at the car's expense; nonetheless, Lada "gained a reputation as a maker of solid, unpretentious and reliable cars for motorists who wanted to drive on a budget."
Wikipedia uses as reference Andy Thompson. Cars of the Soviet Union, Haynes Publishing, 2008.
They are terrible cars. Some of their aspects, like being very basic is considered a plus by some people and that's about the only positive thing that can be said about these cars. The affordability for the Westerners came from the income difference, these cars were not affordable for for the locals as they had to save money for years to buy one.
Very bad, very unreliable, very inefficient, very uncomfortable cars can be popular only when they are extremely cheep or the only option.