Pricey automobiles are impressive on paper and on the road. For their makers, they also often leave a good impression on the income statement. Global car sales in 2022, at around 79m vehicles, are below the level of a decade ago. Yet demand for fancier sets of wheels costing more than €100,000 ($107,000) grew by around 6.5% a year over the same period, according to Bernstein, a broker.