im 19 i passed my test in september 2008 - ive got an escort 1989 1.3l bonus - rs turbo replica...brought it with my own money, the car is under my name im the only named driver on it, got insured for £1700 from zurich - i wanted to get an rs turbo but it was just sooo expensive which isnt worth it..was quoted something like 3grand or something crazy like that!...which is madness..
it looks the business thou...gets away for being an rs turbo all the time..i just dont rip it
my advice - i kno its soo hard 2 not have the car that you want..but just just get a crappy car..wait till your 21 and then it'll go down loads...get the car under your own name...its worth it in the long term! - and in the meanwhile if you can afford it get your s1 and just work on it!
good luck with whatever you decide to do!!