There is some bias though, because it’s about reported faults. Owners of snob brands are much more likely to report minor problems than owners of Dacias or Kias. So expensive cars get penalised.
You can see this with VAG group. They all use the same factory QC systems, the same engineering and many of the same parts - but Audi get more complaints than Skoda or Seat.
There is also more to go wrong: Porsche Pantechnicon owners complain that the little plasti-chrome trims have fallen off their electric window switches. This fault won’t happen on a Dacia Dustbin for several reasons!
Seasoned Alfa owners are more likely to fix the car themselves rather than taking it to an Alfa dealer who will spend weeks making the fault worse, then charge them through the nose for it.
I’ll stick with my lexus - nearly 3 years in on a near 13 year old car and only maintenance and consumables. The only thing wrong with the car is the heated seats don;t work which i never use anyway.
The wife’s KIA is pretty robust too - I’m surprised the clutch is still original given the grief she gives it going from reverse to first without coming to a complete stop…
I want something with a bit of zip as my next car and both these marques no give me options beyond ze germans, i have to admit i’ll be trying them first in a few years time.
Normally with these surveys, when you dig in a bit, its electrical faults that make up the majority - which fits with the prestige marques being lower down as people spec them with more electronics - so more to go wrong. Hardly a surprise Tesla are near the bottom, it’s a motorised bloody PC.
Vauxhall seem to have made some serious effort… they used to be down with land rover not so long ago