[GiHe]

The headline says B-->A, but the article says A-->B:

"self-centered men who are argumentative, stubborn, disagreeable and unempathetic are much more likely to own a high-status car such as an Audi, BMW or Mercedes"

... and C-->B:

"conscientious men and women — people who are organized, ambitious, respectable, and often high-performing — are also frequent owners of high-status cars"

[hindsightbias]

So successful people own expensive cars