from the comments on youtube
"100 km/h Holden VB Commodore crash test. This test was conducted on 9 June 1992 by the Roads and Traffic Authority (RTA) as part of a test series to commission the Crashlab test facility in Roseville, New South Wales, Australia. The test was of the facility's drive system, not the actual car which had the tail shaft removed, 300 kg of sand ballast placed in the footwells and boot and a 75 kg ballast dummy placed on the rear seat. This was supposed to represent a worst case scenario."