Anyone got / had a supercharged Jag?

[DrDeAtH]

i average around 15 - 16 round town in my 97 xjr6
worst ways, 12 - 14 in sport mode when hooning

[jagseven]

I used to get about 19mpg in my 1999 XJR and now get about 24mpg in my 2003 (new shape) XJR