Probably BMW, I mean they’re objectively overly complex unreliable vehicles with too many low quality plastic parts - but when pressed on this, the BMW owners, at a rate of literally 100%, will call you some form of the following insult: a broke jealous hater .. suggesting that you’re hating on BMW solely because you can’t afford one, (allegedly, of course.) Also, as we know, the stereotype does exist of BMW drivers tailgating / not yielding to other drivers / being dickhead drivers in general, which in my experience is definitely true of luxury automobiles but especially German ones. 

So .. you have this endless flux of upper middle class people leasing them / or trading up every 5 years before real issues start to set in. Then you get the people who bought them at like 50% depreciation (lol) stuck with the repair bills and saying things like “they’re reliable if you maintain them” who eventually also sell them when the mileage hits 100k and literally everything starts falling apart. and then you have the final type of buyer - the person who sees a 100k mile / 10 year old BMW for like $12k and think it’s a good deal, not knowing the looming financial catastrophe, because BMW is good right? Well, no.