single exhaust...could be a non-SIDI Omega (2006-2009) or LPG SIDI Omega (2009-2013)
are those door handles colour coded? if not: 2006 - 2007
the Commodore V came out with that spoiler standard, in 2006
Not Berlina, wrong tail lights. Also Berlina's got chrome around their windows in 2008.