Sales of new imported vehicles in Japan in September, including Japanese brands, dropped 15.2 pct from a year before to 24,134 units, an industry group said.
Sales of foreign-brand vehicles decreased 10.1 pct to 22,291 units, and those of vehicles made by Japanese manufacturers abroad sank 49.8 pct to 1,843 units, the Japan Automobile Importers Association said.
Passenger car sales fell 19.5 pct to 22,797 units, while truck sales surged 854.3 pct to 1,336 units, the association said.
By brand, Mercedes-Benz took the top market share of 21.60 pct, although its sales declined 13.7 pct to 5,212 units.
BMW, excluding the Mini brand, came in second with a 20.86 pct share. Its sales declined 2.5 pct to 5,034 units. Third-ranked Volkswagen saw its sales fall 15.7 pct to 4,187 units for a share of 17.35 pct.
The association also reported that in the April-September first half of fiscal 2008, sales of new imported vehicles in Japan fell 18.7 pct from the same period last year to 107,441 units.
Six-month sales of foreign brands declined 13.5 pct to 96,120 units, while those of vehicles made by Japanese manufacturers abroad slipped 46.0 pct to 11,321 units.