Honda and Toyota Expected to Lead September Sales Growth.

DETROIT—Auto makers on Tuesday will report new-vehicle sales for September and are expected to show healthy growth. Market researchers such as Edmunds.com and TrueCar.com predict sales of about 1.1 million cars and light trucks, a rise of almost 11% from a year earlier.

But a close look at forecasts indicates that much of the gain is driven by two manufacturers: Toyota Motor Corp. and Honda Motor Co. TrueCar forecasts that Toyota’s sales rose 33% in September and that Honda’s rose 27%. That compares with depressed levels a year ago, when the two still were reeling from disruptions caused by the March earthquake in Japan.


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