The 2008 Buick LaCrosse runs on regular unleaded.
The 2014 Buick LaCrosse runs on regular unleaded.
The 2006 Buick LaCrosse runs on regular unleaded.
The 2005 Buick LaCrosse runs on regular unleaded.
The 2007 Buick LaCrosse runs on regular unleaded.
The 2009 Buick LaCrosse runs on regular unleaded.
The 2010 Buick LaCrosse runs on regular unleaded.
The 2012 Buick LaCrosse runs on regular unleaded.
The 2011 Buick LaCrosse runs on regular unleaded.
The 2013 Buick LaCrosse runs on regular unleaded.
Inside the gas tank.
The 2012 Buick Lacrosse average highway rating is 27 mpg. The new Buick Lacrosse has an Eassist system that produces a 25% increase in fuel economy and is standard on all 2012 Buick Lacrosse's.