With proper care and maintenance you can expect more than 200,000 miles from your engine. After 200,000 it will slowly start to perform less well but may still run for several thousand after that. The key is to take care of it.
The 2011 Buick Enclave has a V6 engine.
The 2002 Buick Regal has a V6 engine.
The 2008 Buick Enclave has a V6 engine.
The 2013 Buick Enclave has a V6 engine.
The 2009 Buick Enclave has a V6 engine.
The 2008 Buick LaCrosse has a V6 engine.
The 2009 Buick LaCrosse has a V6 engine.
The 2003 Buick Regal has a V6 engine.
The 2005 Buick LaCrosse has a V6 engine.
The 2007 Buick LaCrosse has a V6 engine.
The 2004 Buick Regal has a V6 engine.
The 2001 Buick Regal has a V6 engine.