Those days, however, seem to be over, according to the latest, February U.S. auto sales data. Fiat Chrysler posted its first monthly sales decline in a year, according to Bloomberg. The kicker? Jeep, the company’s driving force for the past several years, showed a rare back-to-back drop in deliveries. Charlie Chesbrough, senior economist of Cox Automotive said: “The results today suggest a much bigger story: The sales pace has finally shifted into a lower gear.”