What size engine does the 2009 Buick LaCrosse have?
The 2009 Buick LaCrosse came in two engine sizes:
* 3.6L V6: This was the more common engine.
* 3.8L V6: This was available in some models, particularly earlier in the 2009 model year. It was phased out as the year progressed, mostly replaced by the 3.6L.
