The automaker provided no context around the declines but said its portfolio of electrified vehicles continues to perform, despite industrywide "softening of growth."

Kia Corp., South Korea's second-largest automaker by sales, said Wednesday its sales fell 4.5 percent last month from a year earlier due to weak domestic demand. Kia, a smaller affiliate of Hyundai Motor Co.

EV6 registrations slid by almost a quarter, but the EV9 SUV has proved a hit and might be cannibalizing crossover's sales

Who said electric vehicle sales are slowing? Kia is on a hot streak as EV sales in the US continued to surge in September. New SUVs, including the three-row electric EV9, drove the record-setting performance.

Hyundai Motor Co. and its affiliate Kia Corp. said Wednesday their combined sales in the United States dropped 10 percent in September from a year earlier on decreased exports and lower local demand due to a hurricane.