Americans don’t buy cars anymore. They buy SUVs and pickups. OK, that isn’t strictly true: Sedans, station wagons, hatchbacks and the like were selling at a 5.

Americans don’t buy cars anymore. They buy SUVs and pickups. OK, that isn’t strictly true: Sedans, station wagons, hatchbacks and the like were selling at a 5.5 million-vehicle annual rate in October. But that’s half the pace of three decades ago. Only a slice of the overall vehicle market worth tens of billions of dollars. No big deal.