I suppose flaunting your wealth never was a part of Lutheran ethics.... same thing in Finland, but with the exception that it used to be even worse than in Sweden. Even in the yuppie era anything more expensive than a W124 or a 5-series was considered bad taste. It's a bit different nowadays, people are actually buying things like Ferraris and Lambos and Bentleys... not that many around but at least it's possible to spot them every now and then.
Here's a little something that was driving around in my town last summer:
