Sales of Asian brands declined at a faster rate in September than the overall U.S. market.
Japanese brands were down 6 percent combined, while Hyundai-Kia Automotive sales dropped 14 percent in September, enough to drag its year-to-date volume into negative territory, down 1 percent. The overall market was off 4 percent in September.
American Honda Motor Co.'s sales dropped 10 percent, while smaller declines were registered at Toyota and Nissan.
Sales of Honda brand vehicles fell 9 percent to 93,915. Acura was off 19 percent to 11,648.
Toyota Motor Sales U.S.A. was down 4 percent. Toyota brand sales fell 3 percent to 139,804, while Scion sales skidded 24 percent to 5,131. Combined Toyota and Scion sales fell 4 percent to 144,935. Lexus sales also dropped 4 percent, to 19,522.
Nissan North America fell 6 percent in September, while Subaru was the biggest winner among Asian brands, up 15 percent to 31,755 units in September.
Mitsubishi plunged 17 percent to 4,001 units. Mazda lost 7 percent.
Hyundai was down 8 percent for the month, and Kia was off 21 percent.