GMC Sierra 2500HD SLT Extended Cab 4x4 in Onyx Black

2012 GMC Sierra 2500HD SLT Extended Cab 4x4

2010 GMC Sierra 2500HD SLT Extended Cab 4x4

2010 GMC Sierra 2500HD SLT Extended Cab 4x4

2009 GMC Sierra 2500HD SLT Extended Cab 4x4

2008 GMC Sierra 2500HD SLT Extended Cab 4x4

2005 GMC Sierra 2500HD SLT Extended Cab 4x4

2005 GMC Sierra 2500HD SLT Extended Cab 4x4

2004 GMC Sierra 2500HD SLT Extended Cab 4x4

2004 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

2002 GMC Sierra 2500HD SLT Extended Cab 4x4