By Andrew Ganz
Monday, Jun 22nd, 2009 @ 1:52 pm

Buick announced today that its upcoming 2010 LaCrosse four-door sedan will offer a fuel-efficient, direct-injection 182-horsepower 2.4-liter Ecotec four-cylinder engine. Capable of 20 mpg in the city and 30 mpg on the highway, General Motors says that the four-banger LaCrosse will be among the most efficient in the segment.
The direct-injected engine puts out 172 lb-ft. of torque, peaking at 4,900 rpm. Buick says it will be standard on the entry-level LaCrosse CX only.

LaCrosse will still offer the 3.0-liter direct-injected V6 with 255 horsepower and a 3.6-liter direct-injected V6 with 280 horsepower. It is unclear how the four-cylinder will affect the LaCrosse’s base price, which had been set at $27,085 before destination.

GM puts the redesigned LaCrosse up against the Lincoln MKZ and Acura TL , which don’t offer four-cylinder powertrains. The automaker expects that about 25 percent of LaCrosse shoppers will wind up taking home a four-cylinder.

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