Automakers that switched to reporting U.S. sales quarterly instead of monthly argued that the wider span gave a truer measure of their performance. There is some truth to that, as much as I have pushed for preserving the monthly standard.
But as most of the industry is taking the longer view, let's go real long. As in 10 years.
We're winding down a year ending in zero, so it's as good a time as any to dive into the numbers.
Here are some trends I gleaned from a comparison of this year's figures, most of them through September (sorry, that's the latest we have for the entire industry), to those for 2010, courtesy of the Automotive News Data Center.