What Car? has published its research results on passenger car reliability. Their aim is to help their readers choose a more dependable car. The data is assembled based on a survey of 18 thousand vehicles for 31 brands and 218 vehicle models.
A summary by brand is as follows:
I was surprised to see that the traditionally perceived reliable brands (at least in my mind) are so low on the ratings.
You can read the full article here: https://www.whatcar.com/news/2019-what-car-reliability-survey/n20042