Analysts estimate that they sold vehicles at an annualized rate of 17.2 million, down from 17.71 million in May according to Bloomberg.
In April, Ford, Fiat Chrysler, Toyota, and Nissan all reported growth but missed expectations.
In a note previewing this week's economic data, Nomura analysts wrote: "Vehicle sales surged at their highest pace in almost 10 years in May on low gasoline prices fueling sales of SUVs and pickup trucks, and more favorable financing options lowering the barrier to entry for households."
This post will be continuously updated as the data comes through.