trade in the 85O for an S4O

[navima]

i currently have an 85O with 12O,OOO miles on it and last year was a good finantial year for me and i am thinking of treating myself to a new s4O T5 AWD, it is quite a beautiful car but im not sure if the insurance is goning to be worth it, should i got with the 2.4T.... well any advice in the two cars would be nice thanks.