hi there i am a newbie on this site and have just brought my first vr6 highline but before i brought it i got a qoute from tesco for a normal vr6 witch was £670 but i brought a highline and when i told the insurers they told me it would be £930 because it is a highline and group 17 what are the differances between the 2 cars apart from the leather interior many thanks