GM Korea Co. reported September sales of 41,101 vehicles, up 73.3% from a year earlier as overseas deliveries of the Chevrolet Trax Crossover and Trailblazer sport utility vehicle (SUV) strengthened. Domestic sales fell 40.9% to 727 units, while exports jumped 79.5% to 40,374. For January through September, total sales rose 17% to 381,785 vehicles, supported by exports that climbed 19% to 374,290, even as domestic sales dropped 36.4% to 7,495. Under its two-track strategy, GM Korea sells locally assembled and imported vehicles in South Korea, Asia's fourth-largest economy. Its lineup includes the locally assembled Trailblazer and Trax Crossover and the imported GMC Sierra Denali, with the Buick Electra E7 plug-in hybrid SUV expected as early as next month.