Earlier quoted context omitted.
Social signalling is relative to the things available for that society. Even if there were no "nice cars" available by your standards, there still were "impressive" cars, relative to the society in question.
No I think except for the politicians and military most people just got the standard model of Trabant or nothing.
The big brass were driving Volvos. They were nice cars, but Sweden was seen as sufficiently neutral and socialist-like.