GMC Sierra 2500HD SLT Extended Cab 4x4 in Summit White

2013 GMC Sierra 2500HD SLT Extended Cab 4x4

2012 GMC Sierra 2500HD SLT Extended Cab 4x4

2011 GMC Sierra 2500HD SLT Extended Cab 4x4

2008 GMC Sierra 2500HD SLT Extended Cab 4x4

2008 GMC Sierra 2500HD SLT Extended Cab 4x4

2007 GMC Sierra 2500HD SLT Extended Cab 4x4

2007 GMC Sierra 2500HD SLT Extended Cab 4x4

2006 GMC Sierra 2500HD SLT Extended Cab 4x4

2006 GMC Sierra 2500HD SLT Extended Cab 4x4

2005 GMC Sierra 2500HD SLT Extended Cab 4x4

2004 GMC Sierra 2500HD SLT Extended Cab 4x4

2003 GMC Sierra 2500HD SLT Extended Cab 4x4

2003 GMC Sierra 2500HD SLT Extended Cab 4x4

2003 GMC Sierra 2500HD SLT Extended Cab 4x4

2002 GMC Sierra 2500HD SLT Extended Cab 4x4

2001 GMC Sierra 2500HD SLT Extended Cab 4x4