car insurance is supposed to be changing from the 20 groups to a new 50 group system for info check out
www.abi.org.uk/carinsurance/search.asp
example my boras going from 16 to 32
please note that insurance runs from 1 - 20 but there is also groups within the groups a-e
i prefer the usa way where you insure yourself then pay an excess for the car and any other cars added to it