In many cases new Astras will have a 4E rating compared to a level for the current cars in the Astra-sized market segment three or four groups higher. New group ratings include: 1.6i Envoy hatch/estate manual/automatic down from 7E to 4E, 1.4i 16v LS hatch/estate manual down from 8E to 4E, 1.6i 16v CD hatch/estate manual/auto down from 10E to 6E, 1.8i 16v CD hatch/estate manual/auto down from 14E to 7E and 1.8i 16v Sport hatch manual down from 12A to 7E.
Vauxhall engineers have worked closely with experts from Thatcham - the Motor Insurance Repair Research Centre - to ensure low crash repair costs, particularly in the event of a low speed accident. Modifications have seen costly components located in places where they can be protected from damage. And crash boxes, designed to crumple in the event of an impact, have been located around the bumpers.