2011 Buick Lacrosse Fuel Economy

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Fuel Economy
As it stands, the LaCrosse's fuel economy figures of 16 to 19 mpg in the city and 26 to 30 on the highway are pretty typical for a large sedan. It also ranks about average in the EPA's air pollution and greenhouse-gas scores.

For 2012, the LaCrosse will do much better—returning up to 37 mpg on the highway—with the introduction of GM's eAssist mild-hybrid system as standard on the four-cylinder LaCrosse. 

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