U.S. auto sales dipped for the fifth month in a row in May, with a 0.5 percent decrease and more than 1.5 million vehicles sold, The Associated Press reported.
General Motors, Fiat Chrysler, Hyundai and Toyota reported decreases in sales last month compared to May 2016.
IHS Markit analyst Tom Libby told the AP that despite good economic factors, like low unemployment and gas prices, there could be a decrease in auto sales for all of 2017.
The past two years saw record sales of about 17.5 million vehicles, which analysts say could account for the lack of demand, the AP reported.
Libby's firm reduced its 2017 sales forecast from 17.4 million to 17.3 million, the AP reported.