2010 Buick LaCrosse Adds 30 MPG Model

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The new standard engine for the 2010 Buick LaCrosse will be a direct-injection Ecotec 2.4-liter four-cylinder that gives the LaCrosse an EPA-rated 19/30 mpg city/highway. Buick expects about a fourth of LaCrosse customers to opt for this engine with an MSRP of $26,995 for the CX model.

The four-cylinder CX will go on sale in April. We’re still waiting on word from GM when the model will go on sale, but it is currently not listed on GM’s website, and no four-cylinders are listed in Cars.com’s inventory.

Customers will also briefly have the option of two V-6 engines, the 3.0-liter and the 3.6-liter. In 2011, the 3.0-liter LaCrosse will be discontinued.

The four-cylinder engine helps the LaCrosse compare better to its competitors in the mileage department. The 2010 Acura TSX with a four-cylinder engine manages 21/30 mpg, while the 2010 Lexus IS goes for 21/29 mpg. The advantage for the LaCrosse, however, is that it costs less than both of those cars.