Insurance at 19 is totally mad... It's a Grp 13 car and they wanted a 40% premium ontop of the quote to insure me at that age :O
As for the finance, it depends on your job, your credit history and how much deposite you put down.
It would be a VERY EXPENSIVE choice having an

at 19. Your better off with a Zetec S or just waiting until your 21. Depends if you have money to burn or not though.
Welcome to the site

Enjoy
Scotty
