The 2006 Buick LaCrosse runs on regular unleaded.
The 2005 Buick LaCrosse has a 4-speed automatic.
The 2007 Buick LaCrosse has a 4-speed automatic.
The 2008 Buick LaCrosse has a 4-speed automatic.
The 2009 Buick LaCrosse has a 4-speed automatic.
The 2010 Buick LaCrosse has a 6-speed shiftable automatic.
The 2012 Buick LaCrosse has a 6-speed shiftable automatic.
The 2013 Buick LaCrosse has a 6-speed shiftable automatic.
The 2011 Buick LaCrosse has a 6-speed shiftable automatic.
The 2014 Buick LaCrosse has a 6-speed shiftable automatic.
The 2014 Buick LaCrosse runs on regular unleaded.
The 2005 Buick LaCrosse runs on regular unleaded.