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Taking styling cues from its big brother Maxima, Nissan unveiled the all-new Altima mid-size sedan this week at the New York International Auto Show.

Growing in size, the 2013 Altima keeps the same 2.5-liter 4-cylinder and 3.5-liter V6 engines with a slight bump in power. The bigger news is the next-generation CVT transmission that helps improve fuel economy by as much as 15 percent. As a result, Nissan claims best-in-class fuel economy for the Altima.

To find out just how efficient, watch AutoGuide’s first look video below.

GALLERY: 2013 Nissan Altima

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