That looks like the Holden Caprice, probably why they keep the name. The Holden Caprice isn't really the G8 which used to be based on the Holden Commodore SS.
http://www.holden.com.au/vehicles/Caprice
http://www.holden.com.au/vehicles/Commodore/SS-V-Series
BTW Holden makes cool cars.
Jan