The Detroit automaker earned USD 2.77 billion, or USD 1.76 per share, compared with USD 1.36 billion, or 84 cents per share a year ago.
Sales in the US, GM's most lucrative market, fell nearly 4 per cent through September. But GM said its strategy to cut low-profit sales to rental car companies and focus on sales to individual buyers, a strong performance in China and cost cuts led to the record.
Excluding a 4-cent benefit from an unspecified ignition- switch recall recovery, GM earned USD 1.72 per share. That soundly beat Wall Street estimates of USD 1.46 per share. Revenue hit a record USd 42.8 billion.
US auto sales have started to slow after hitting a record 17.5 million last year, but GM seems to be unaffected.
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The company said it expects the strong performance to continue through the fourth quarter, and it put a little more swagger on its full-year guidance. GM now expects pretax earnings to be at the high end of previous guidance of USD 5.50 to USD 6 per share.
Chief Financial Officer Chuck Stevens said prospects are good, too, because GM is rolling out important new vehicles. "We're entering the heart of our product launch cadence," Stevens said, adding that within the next 18 months, GM will replace its compact and midsize crossover SUVs in the hottest part of the US market.