Chevrolet - Chevrolet sales in September were up 36 percent (283,264), led by very strong truck sales (193,476), which improved 37 percent. In addition to Equinox and TrailBlazer, Silverado sales were up 46 percent (77,007), a new September record. Colorado posted its best sales since its introduction (12,493). Chevrolet car sales were solid in September with 89,788 deliveries, a 35 percent improvement over last year. In addition to strong Malibu sales, Aveo posted 6,195 deliveries and Corvette set a new monthly sales record (3,705).