At next week’s 2010 New York Auto Show Buick will roll out its latest versions of the LaCrosse sedan, this time with just a single four- and six-cylinder engine on the table. Coming in for the 2011 model year, the LaCrosse is being offered with an Ecotec 2.4-liter four-cylinder engine as standard and with a 3.6-liter V-6 remaining an option...

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