Fiat Chrysler Automobiles said Canadian sales rose 1.1 percent in September to 24,007 vehicles, while sales of GM autos rose 2 percent to 24,960 vehicles.
Ram pickup sales jumped 28.2 percent to 8,449 trucks from a year earlier, boosting the company's truck sales, which rose 5.8 percent to 22,398 vehicles, but total car sales dropped 37.2 percent to 1,609 vehicles.
GM said its GMC pickup trucks were up 15 percent in September, while sales of Cadillac vehicles increased 35 percent.
Toyota Motor Corp.'s sales jumped 5.5 percent to 19,336 vehicles, boosted in part by a 44 percent increase in Lexus sales.
Honda Canada reported sales rose 16 percent to 17,441 Honda and Acura vehicles.
For the year to date, Canadian sales shot up 2.5 percent to 1.46 million vehicles, Desrosiers said.